Flowx - Weather

Name: Flowx - Weather
Rating: 4.9 (50 reviews)
Author: Duane Malcolm

by Duane Malcolm

iPhone · iPad

Active Last checked 6 Aug 2026

App Store ↗

Quick verdict

What it is: Store information collected; independent summary not yet available.
At a glance: Free to download
In-app purchases

Categories and search queries

Official categories

Weather
Lifestyle

AppCorpus categories

Key functions

Function	Availability	Access	Scope	Evidence
Free app	Yes	Free	—	Store published
In-app purchases	Yes	Limited free	—	Store published

Screens

App Store

20 store screenshots

Pricing & paywalls

App Store

Gold Pro Level — $19.99

Last verified 6 Aug 2026

Ratings & reviews

App Store

4.9 50 ratings · App Store

5/5Graphics Ferrari
This app makes the others seem like they're for children. Need an example? At the bottom right touch the circle cross, uncheck all data except Humidity, check Save, with two fingers pan to the Pacific ocean, widen fingers to zoom out, place your thumb lightly on the left side of the screen, slowly slide it to the right... THAT is what Humidity looks like when it's roiling around in the atmosphere!!! it's just amazing

UngerRoo · 6 Aug 2026
5/5Great model visualization & easy to use
My husband is a pilot and finds this app useful for getting a quick look at forecasts of all of the weather points pilots are concerned with. I’m just an enthusiast who enjoys keeping an eye on wind, rain, and temperature conditions. I’m getting in the habit of checking the app daily. Love the visual forecasts and how easy it is to navigate.

Perfcangel · 6 Aug 2026
5/5The best big picture Weather App out there!
Love his app! Gives you a big picture outlook on weather impacts over the next week. As a pilot I use this app to see where the significant operational disruptions may occur as I crisscross the country over the next few days.

77maverick · 6 Aug 2026
5/5Best App for Storm Predicting
I live in Oklahoma where Storm predicting is a necessity. This app gives you the tools to use the same weather models that the professionals use. You are able to utilize these models to see what weather will be in your area days in advance.

Anime dragon · 6 Aug 2026
5/5Excellent WX app
If you’re ready to take your WX observations and modeling to the next level, this is the app you’re looking for. Take the time to look it over and understand the features. It’s top tier for your collection of forecasting apps!

RDLGSTX · 6 Aug 2026

Privacy & accessibility

App Store

Privacy

Data Not Linked to You — Analytics — Usage Data — Product Interaction Developer declared
Data Not Linked to You — App Functionality — Diagnostics — Crash Data Developer declared
Data Not Linked to You — App Functionality — Identifiers — Device ID Developer declared
Data Not Linked to You — App Functionality — Usage Data — Product Interaction Developer declared
Data Not Linked to You — Diagnostics Developer declared
Data Not Linked to You — Identifiers Developer declared
Data Not Linked to You — Usage Data Developer declared

Accessibility

No accessibility labels collected yet.

Versions

App Store

1.014
Release 1.014 (23 Dec 2023) ===================== - Set graph ranges by long-pressing on the graph and selecting "Set Ranges". - Higher density of waves. - Made some code improvements, fixed some crashes and updated a library.
1.016
Release 1.016 (11 Jan 2024) ===================== - Global RTOFS marine data (sea temperature, currents and salinity). Click "+" to add the Marine Menu. - Fixed: the precipitation scale bar was showing the wrong values.
1.022
Release 1.022 - Hurricane Tracks and Smoke data ==================================== What's New: - Note: Expedition Marine has been removed for Australia and UK regions since they are not available anymore. - Hurricane tracks. Click "+" to add "Hurricane Tracks". The menu includes a help link for more details. - HRRR 3km Smoke data (USA only). Click the "+" to add the Smoke Menu. - Fixed: the precipitation scalebar were showing the wrong values. - Fixed: the precipitation scalebar values for imperial units.
1.024
Release 1.024 (26 Jan 2024) ===================== - Air Quality data (PM2.5, PM10, NO2, SO2, CO, O3) the CAMS Global, EU and SILAM models. - UV Index from the CAMS Global model. - Click "+" in the map menu to add the Air Quality menu and UV Index data option.
1.026
Release 1.026 (18 Feb 2024) ===================== - Major updates to libraries. We should see improvements in performance and stability but keep an eye on performance and stability all the same :-)
1.030
Release 1.030 (30 Mar 2024) ===================== What's New: - Eclipse Feature for the total eclipse over North America on the 8th of April 2024. You are able to view the path, shadow and weather forecasts for the eclipse, including the low, mid and high cloud forecasts. You can add the eclipse menu via the alert in the top bar or the edit data dialog. - Added ECMWF HREs 0.25 degree resolution model. - Added Swipe settings to the Settings page. You can edit the horizontal and vertical swipe speeds along with the time step size. - Fixed the log scale numbers for CAPE.
1.032
Release 1.032 (14 April 2024) ===================== - Added ECMWF HRES 0.25 degrees. - Updating iOS SDK to 17.4. - Updating a bunch of libraries.
1.034
Release 1.034 (23 Apr 2024) ===================== Graph Editor (Pro Feature) - long press on the graph and select “Edit Graph”. See help for more Instructions.
1.038
Release 1.038 (3 May 2024) ===================== - Fixed blanks screen on first open or update. - Fixed major crashing bug. - Major refactoring to hopefully improve the stability of the code. - Fixed scalebar loading bug. - Fixed a minor crashing bug. Apologies for the recent bugs. I'm optimistic the stability is improving even if we took a step backwards.
1.040
Release 1.040 (2 June 2024) ===================== HARMONIE 2.5km and 5km is no more. Welcome HARMONIE-AROME 2km over the Netherlands. The old HARMONIE models have been replaced by a newer and better model. Not only have the resolution increased but also has the update rate with a new forecast every hour!! This is among the best weather models over Europe. Congrats KNMI. Also fixed a minor crashing bug.
4.048
Release 4.048 (17 Jan 2024) ===================== - A major rewrite of many parts of the code. - Super Sorry about the app occasionally hanging on launch. This release should fix this long-standing and annoying bug. - Added the new KNMI HARMONIE 2km model which covers Europe. - Major updates to sopport libraries. - Major polish for more consistency. - Added more decimal points for snow in in/hr. - Fixed edit graph range bugs. - Added OpenZones which provides all data for free in disaster zones. - You can reset graphs to the defaults when editing graphs - Added source transition labels to graphs. - Layout changes are now saved properly. - Plus many more minor changes. If are any issue, please contact me via Feedback in the side menu. This release is real exciting since it paves the way for some real cool features in the near future. Cheers, Duane.
4.050
Release 4.050 (2 Feb 2025) ======================= - Travel Mode - edit place and turn it on to lock on your location - Color picker for editing graph element colors - Fixed overlapping graph transition labels. - Fixed several crash bugs.
4.052
Release 4.052 (12 Feb 2025) ===================== - Translations to a couple of dozen languages. Let me know if there are any mistakes. - Fixed a couple of bugs. - Updated a few libraries.
4.060
Release 4.060 (31 Mar 2025) ====================== - Added Beaufort wind speed units. - Added Place ordering and options in Settings > Advanced. - Lots of bug fixes and polish.
4.076
Release 4.076 (20 Apr 2025) ====================== Features: - Added reordering of the map menu via "+" button. - Double-tap on a graph in Compare Mode to return to that data source. - Added "Send Debug Log" to Feedback dialog. Bugs: - Fixed major bug where gauge and hi/low temperature did not match the graph. - Fixed non-loading dialog showing information about data. - Fixed the time gauge layout bug. - Fixed ranging issues with Temperature and Dew Point on the same graph - Added extra decimal place for pressures in inHg. - Fixed map background colors. - Plus heaps of other small polishes, translations, bugs fixes and minor improvements.
4.100
Release 4.100 (27 Jun 2025) ===================== - Major update to the UI library - Sun/Moon paths, rise and set times. Add sun/moon data via the map menu. - ECMWF time range is now at 6 days. Also added Dew Point. - Added date/time, air quality, waves and marine gauge options. - Fixed the opacity of the cloud layer to 70%. - Ability to clear deleted places - Added help links in Settings and Advanced Settings.
4.118
Release 4.118 (26 Aug 2025) ===================== # EXCITING!! We have a new KNMI HARMONIE weather models: - the 5km weather model which extends from Europe, across the UK to Iceland, and for the Caribbean. - the 2.8km model covers the Leeward and Wayward Islands in the Caribbean. - the 5.5km model covers the Caribbean including the top of North America. - also added Dew Point Temperature to all HARMONIE models. # Other Model Updates: - CMC GDPS now has 1 hour time steps. - CMC GDWPS waves now extends to 10 days. - MeteoFrance Arome now has total cloud and MSL pressure. - MeteoFrance Arome extends to 51 hours and updates every 3 hours. - MeteoFrance Arpege now extends to 102 hours (~4 days). # Feature Updates: - Offline Mode is back. - Major update to UI and other libraries. - Also added the ability to add air quality, wave and marine gauges. - Travel Mode now updates your location if the GPS change is over 500m. - Far more efficient and fast data loading. - A little polish and fixed other minor bugs. - Fixed High/Low calculation bug. - Improved radar loading. - More efficient data loading, more to come. - Fixed blank regions at the ends of the graphs. NOTE: RainViewer data will be discontinued JAN 2026. See forum.flowx.io for more details.
4.142
Release 4.142 (5 Feb 2026) ==================== - RainViewer Radar is now gone :-( The service has been discontinued. - NEW: Added low, mid and high cloud layers to the graph. This will default to total cloud data if cloud layers don't exist. - If you prefer the total cloud layer, edit the graph and toggle the cloud elements. - Improved OpenZones with automatic zones generated for storms. See side menu for OpenZones. - Disabled radar for free users. I accidentally made it freely available. - Major update to UI library. - Improved loading of data and streamlines. - Added Graph Editor option to add fixed data levels to graphs. Bug Fixes: - panning and timezones. - map and graph mismatch. - app opening to 00:00. - daylight savings bug. - PM2.5 air quality values in gauges. - NOTE: RainViewer data will stop JAN 2026. See forum for more details.
4.146
Release 4.146 (26 Feb 2026) ===================== RainViewer is Gone :-( The service is now discontinued. - Fixed: marine current streamlines are now longer. - Fixed: missing clouds in graph for Expedition Marine. - Fixed: Long names don't wrap, they clip instead. NOTE: RainViewer has decided to stop providing radar data in JAN 2026 so radar will stop in Flowx in JAN 2026. See forum.flowx.io for more details.
4.600
Release 4.600 (6 Apr 2026) ====================== - Fixed HRRR precipitation blinking bug - finally! - Fixed a bunch of tiling bugs. - Fixed place reordering bug. - Fixed Pro Store bug. - Updated a couple of libraries.
4.606
- New Model: ECMWF AIFS 25km in Gold Pro. This is an AI generated forecast. - New Model: UKMO global 10km in gold in Gold Pro. - Added clouds and wind gust to ECMWF HRES model. - Major changes to how the scale bar works. Numbers may change slightly. - Major update to core and UI libraries.
4.608
Release 4.608 (22 May 2026) ====================== - More efficient rendering of the map. - Minor updates to many libraries.
4.614
Release 4.614 (12 June 2026) ====================== - ECMWF HRES has been discontinued. It is replaced by ECMWF IFS. - Major update to Pro Store libraries. - Please email me if there are any bugs. - Re-added the translations which I accidentally deleted in the last release.
4.622
Release 4.622 (14 Jul 2026) ===================== Major New Model - UKMO 2km resolution model: This is one of the best models in the world. - Region: UK + West EU. - Five days forecast with 15 minute time resolution. - New forecasts every hour. - Available in Gold Fixed RDPS fallback bug. - Downloads are now prioritized based on distance to center. - Updated some small libraries. - Fixed several crashes affecting the map, weather layers, and downloads. - Improved overall stability and reliability. Fixed several other bugs.
4.630 · 4 Aug 2026
Release 4.630 (23 Jul 2026) ===================== - Smoother map data rendering - HRRR now includes extended 48 hour forecasts for 0000, 0600, 1200 and 1800 runs - Ordered data sources into better groupings - Fixed hurricane tracks to show NOAA and CMC predictions - Fix: graphs slowing down after switching places - Major improvements to the graph engine - Fix: graph transition labels - Watch out for bugs

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Availability by market

Data quality & evidence

Page completeness: Live store listing
Last verified: 6 Aug 2026
Sources: App Store

Independent summary has not been published yet.

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GET /api/v3/apps/1632547434

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          "rating": 5,
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          "body": "This app makes the others seem like they're for children. Need an example? At the bottom right touch the circle cross, uncheck all data except Humidity, check Save, with two fingers pan to the Pacific ocean, widen fingers to zoom out, place your thumb lightly on the left side of the screen, slowly slide it to the right... THAT is what Humidity looks like when it's roiling around in the atmosphere!!! it's just amazing",
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          "author": "77maverick",
          "date": "6 Aug 2026"
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          "author": "Anime dragon",
          "date": "6 Aug 2026"
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          "author": "RDLGSTX",
          "date": "6 Aug 2026"
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  "changes": [
    {
      "store": "apple",
      "version": "1.014",
      "released_at": null,
      "notes": "Release 1.014 (23 Dec 2023) ===================== - Set graph ranges by long-pressing on the graph and selecting \"Set Ranges\". - Higher density of waves. - Made some code improvements, fixed some crashes and updated a library."
    },
    {
      "store": "apple",
      "version": "1.016",
      "released_at": null,
      "notes": "Release 1.016 (11 Jan 2024) ===================== - Global RTOFS marine data (sea temperature, currents and salinity). Click \"+\" to add the Marine Menu. - Fixed: the precipitation scale bar was showing the wrong values."
    },
    {
      "store": "apple",
      "version": "1.022",
      "released_at": null,
      "notes": "Release 1.022 - Hurricane Tracks and Smoke data ==================================== What's New: - Note: Expedition Marine has been removed for Australia and UK regions since they are not available anymore. - Hurricane tracks. Click \"+\" to add \"Hurricane Tracks\". The menu includes a help link for more details. - HRRR 3km Smoke data (USA only). Click the \"+\" to add the Smoke Menu. - Fixed: the precipitation scalebar were showing the wrong values. - Fixed: the precipitation scalebar values for imperial units."
    },
    {
      "store": "apple",
      "version": "1.024",
      "released_at": null,
      "notes": "Release 1.024 (26 Jan 2024) ===================== - Air Quality data (PM2.5, PM10, NO2, SO2, CO, O3) the CAMS Global, EU and SILAM models. - UV Index from the CAMS Global model. - Click \"+\" in the map menu to add the Air Quality menu and UV Index data option."
    },
    {
      "store": "apple",
      "version": "1.026",
      "released_at": null,
      "notes": "Release 1.026 (18 Feb 2024) ===================== - Major updates to libraries. We should see improvements in performance and stability but keep an eye on performance and stability all the same :-)"
    },
    {
      "store": "apple",
      "version": "1.030",
      "released_at": null,
      "notes": "Release 1.030 (30 Mar 2024) ===================== What's New: - Eclipse Feature for the total eclipse over North America on the 8th of April 2024. You are able to view the path, shadow and weather forecasts for the eclipse, including the low, mid and high cloud forecasts. You can add the eclipse menu via the alert in the top bar or the edit data dialog. - Added ECMWF HREs 0.25 degree resolution model. - Added Swipe settings to the Settings page. You can edit the horizontal and vertical swipe speeds along with the time step size. - Fixed the log scale numbers for CAPE."
    },
    {
      "store": "apple",
      "version": "1.032",
      "released_at": null,
      "notes": "Release 1.032 (14 April 2024) ===================== - Added ECMWF HRES 0.25 degrees. - Updating iOS SDK to 17.4. - Updating a bunch of libraries."
    },
    {
      "store": "apple",
      "version": "1.034",
      "released_at": null,
      "notes": "Release 1.034 (23 Apr 2024) ===================== Graph Editor (Pro Feature) - long press on the graph and select “Edit Graph”. See help for more Instructions."
    },
    {
      "store": "apple",
      "version": "1.038",
      "released_at": null,
      "notes": "Release 1.038 (3 May 2024) ===================== - Fixed blanks screen on first open or update. - Fixed major crashing bug. - Major refactoring to hopefully improve the stability of the code. - Fixed scalebar loading bug. - Fixed a minor crashing bug. Apologies for the recent bugs. I'm optimistic the stability is improving even if we took a step backwards."
    },
    {
      "store": "apple",
      "version": "1.040",
      "released_at": null,
      "notes": "Release 1.040 (2 June 2024) ===================== HARMONIE 2.5km and 5km is no more. Welcome HARMONIE-AROME 2km over the Netherlands. The old HARMONIE models have been replaced by a newer and better model. Not only have the resolution increased but also has the update rate with a new forecast every hour!! This is among the best weather models over Europe. Congrats KNMI. Also fixed a minor crashing bug."
    },
    {
      "store": "apple",
      "version": "4.048",
      "released_at": null,
      "notes": "Release 4.048 (17 Jan 2024) ===================== - A major rewrite of many parts of the code. - Super Sorry about the app occasionally hanging on launch. This release should fix this long-standing and annoying bug. - Added the new KNMI HARMONIE 2km model which covers Europe. - Major updates to sopport libraries. - Major polish for more consistency. - Added more decimal points for snow in in/hr. - Fixed edit graph range bugs. - Added OpenZones which provides all data for free in disaster zones. - You can reset graphs to the defaults when editing graphs - Added source transition labels to graphs. - Layout changes are now saved properly. - Plus many more minor changes. If are any issue, please contact me via Feedback in the side menu. This release is real exciting since it paves the way for some real cool features in the near future. Cheers, Duane."
    },
    {
      "store": "apple",
      "version": "4.050",
      "released_at": null,
      "notes": "Release 4.050 (2 Feb 2025) ======================= - Travel Mode - edit place and turn it on to lock on your location - Color picker for editing graph element colors - Fixed overlapping graph transition labels. - Fixed several crash bugs."
    },
    {
      "store": "apple",
      "version": "4.052",
      "released_at": null,
      "notes": "Release 4.052 (12 Feb 2025) ===================== - Translations to a couple of dozen languages. Let me know if there are any mistakes. - Fixed a couple of bugs. - Updated a few libraries."
    },
    {
      "store": "apple",
      "version": "4.060",
      "released_at": null,
      "notes": "Release 4.060 (31 Mar 2025) ====================== - Added Beaufort wind speed units. - Added Place ordering and options in Settings > Advanced. - Lots of bug fixes and polish."
    },
    {
      "store": "apple",
      "version": "4.076",
      "released_at": null,
      "notes": "Release 4.076 (20 Apr 2025) ====================== Features: - Added reordering of the map menu via \"+\" button. - Double-tap on a graph in Compare Mode to return to that data source. - Added \"Send Debug Log\" to Feedback dialog. Bugs: - Fixed major bug where gauge and hi/low temperature did not match the graph. - Fixed non-loading dialog showing information about data. - Fixed the time gauge layout bug. - Fixed ranging issues with Temperature and Dew Point on the same graph - Added extra decimal place for pressures in inHg. - Fixed map background colors. - Plus heaps of other small polishes, translations, bugs fixes and minor improvements."
    },
    {
      "store": "apple",
      "version": "4.100",
      "released_at": null,
      "notes": "Release 4.100 (27 Jun 2025) ===================== - Major update to the UI library - Sun/Moon paths, rise and set times. Add sun/moon data via the map menu. - ECMWF time range is now at 6 days. Also added Dew Point. - Added date/time, air quality, waves and marine gauge options. - Fixed the opacity of the cloud layer to 70%. - Ability to clear deleted places - Added help links in Settings and Advanced Settings."
    },
    {
      "store": "apple",
      "version": "4.118",
      "released_at": null,
      "notes": "Release 4.118 (26 Aug 2025) ===================== # EXCITING!! We have a new KNMI HARMONIE weather models: - the 5km weather model which extends from Europe, across the UK to Iceland, and for the Caribbean. - the 2.8km model covers the Leeward and Wayward Islands in the Caribbean. - the 5.5km model covers the Caribbean including the top of North America. - also added Dew Point Temperature to all HARMONIE models. # Other Model Updates: - CMC GDPS now has 1 hour time steps. - CMC GDWPS waves now extends to 10 days. - MeteoFrance Arome now has total cloud and MSL pressure. - MeteoFrance Arome extends to 51 hours and updates every 3 hours. - MeteoFrance Arpege now extends to 102 hours (~4 days). # Feature Updates: - Offline Mode is back. - Major update to UI and other libraries. - Also added the ability to add air quality, wave and marine gauges. - Travel Mode now updates your location if the GPS change is over 500m. - Far more efficient and fast data loading. - A little polish and fixed other minor bugs. - Fixed High/Low calculation bug. - Improved radar loading. - More efficient data loading, more to come. - Fixed blank regions at the ends of the graphs. NOTE: RainViewer data will be discontinued JAN 2026. See forum.flowx.io for more details."
    },
    {
      "store": "apple",
      "version": "4.142",
      "released_at": null,
      "notes": "Release 4.142 (5 Feb 2026) ==================== - RainViewer Radar is now gone :-( The service has been discontinued. - NEW: Added low, mid and high cloud layers to the graph. This will default to total cloud data if cloud layers don't exist. - If you prefer the total cloud layer, edit the graph and toggle the cloud elements. - Improved OpenZones with automatic zones generated for storms. See side menu for OpenZones. - Disabled radar for free users. I accidentally made it freely available. - Major update to UI library. - Improved loading of data and streamlines. - Added Graph Editor option to add fixed data levels to graphs. Bug Fixes: - panning and timezones. - map and graph mismatch. - app opening to 00:00. - daylight savings bug. - PM2.5 air quality values in gauges. - NOTE: RainViewer data will stop JAN 2026. See forum for more details."
    },
    {
      "store": "apple",
      "version": "4.146",
      "released_at": null,
      "notes": "Release 4.146 (26 Feb 2026) ===================== RainViewer is Gone :-( The service is now discontinued. - Fixed: marine current streamlines are now longer. - Fixed: missing clouds in graph for Expedition Marine. - Fixed: Long names don't wrap, they clip instead. NOTE: RainViewer has decided to stop providing radar data in JAN 2026 so radar will stop in Flowx in JAN 2026. See forum.flowx.io for more details."
    },
    {
      "store": "apple",
      "version": "4.600",
      "released_at": null,
      "notes": "Release 4.600 (6 Apr 2026) ====================== - Fixed HRRR precipitation blinking bug - finally! - Fixed a bunch of tiling bugs. - Fixed place reordering bug. - Fixed Pro Store bug. - Updated a couple of libraries."
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