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DayLight: Last Usable Light

by Michal Kus

iPhone · iPad

Active Last checked 31 Jul 2026

Quick verdict

What it is
Store information collected; independent summary not yet available.
At a glance
  • $1.99
  • In-app purchases

Categories and search queries

Official categories

AppCorpus categories

Key functions

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

Screens

App Store

13 store screenshots

DayLight: Last Usable Light ipad screenshot 1
DayLight: Last Usable Light ipad screenshot 2
DayLight: Last Usable Light ipad screenshot 3
DayLight: Last Usable Light ipad screenshot 4

Pricing & paywalls

App Store

  • Price: $1.99
  • In-app purchases

Ratings & reviews

App Store

4.6 215 ratings · App Store

  1. 5/5I really like this app

    I live in Alaska. When I travel I often get asked about the day light in summer and winter. This is an easy way to show what it’s like. I also use it to plan when I travel, it’s good to know what the sky will look like and when.

    KDL907 · 31 Jul 2026

  2. 5/5What a great idea!

    I love this interesting & beautiful app! 1-hand clocks are rare to find. This one adds some extra touches: a "24" on the dial & differentiated shadings for civil, nautical & astronomical twilight. The data table with detailed times can be very helpful for planning purposes & the icons & fonts are to me very aesthetically pleasing. I have 2 suggestions: 1. What about adding a option to hide the data table? Sometimes I want to know the exact times, but sometimes I just want the sense of calm that only a 1-hand clock can provide. 2. What about adding a widget, perhaps as an in-app purchase? Thanks, Michal & Hana, for your efforts on this app - it really shows!

    No Nicknames 4 Me · 31 Jul 2026

  3. 4/5Great concept;app has glitches

    I love the concept of this app., and the graphics showing just how much daylight there is on any given day of the year. The information that is supplied dawn and dusk times is excellent. But, for some strange reason, it will not allow you to add additional locations, even after you delete other saved locations — in the dropdown menu, which it used to do just fine, and that is disappointing.

    Easy&Fun · 31 Jul 2026

  4. 2/5Not able to add new location

    I used this app for years, but it does not seem to be supported any longer, even tho it works on the latest ios. I cannot add a new location, and the appstore link to support goes to a 404 error. (There is no in-app support link.) And it has not been updated in years.

    mkettleson · 31 Jul 2026

  5. 5/5Nice Update!

    After the update, the app works as good as ever. Thanks to the developer for reaching out and informing me of the update and bug fix! Definitely my goto app for days length in planning astrophotography sessions.

    Gman27455 · 31 Jul 2026

Privacy & accessibility

App Store

Privacy

  • Data Not Linked to You — Analytics — Diagnostics — Crash Data Developer declared
  • Data Not Linked to You — Analytics — Diagnostics — Other Diagnostic Data Developer declared
  • Data Not Linked to You — Analytics — Diagnostics — Performance Data Developer declared
  • Data Not Linked to You — Analytics — Identifiers — Device ID Developer declared
  • Data Not Linked to You — Analytics — Identifiers — User ID Developer declared
  • Data Not Linked to You — Analytics — Purchases — Purchase History Developer declared
  • Data Not Linked to You — Analytics — Usage Data — Product Interaction Developer declared
  • Data Not Linked to You — App Functionality — Location — Precise Location Developer declared
  • Data Not Linked to You — App Functionality — Purchases — Purchase History Developer declared
  • Data Not Linked to You — Diagnostics Developer declared
  • Data Not Linked to You — Identifiers Developer declared
  • Data Not Linked to You — Location Developer declared
  • Data Not Linked to You — Purchases Developer declared
  • Data Not Linked to You — Usage Data Developer declared

Accessibility

No accessibility labels collected yet.

Versions

App Store

  • 1.0
  • 1.1

    Better, more responsive place search.

  • 1.2

    iPhone 6+ layout. Timezone in some places. Minor stability issues.

  • 1.3

    Fixed “Today” date for locations on the other side of the Date Line. Added function for sharing your searches (socilal networks, email etc.). Warning: If some of your places added in version 1.1 and prior show wrong time. Delete them and add again.

  • 1.4

    Another fix Today Button, date should no longer be off. IOS 9 support.

  • 1.5

    IOS 9 support

  • 1.6

    Multipple fixes: time at startup "Today" button Vietnam time zone iPad sharing

  • 1.7

    Minor fixes

  • 1.7.1

    Minor fixes

  • 2.0

    Localization to German, French to Dutch. Finally corrected all errors with time zones. (India, South Australia, Kalamazoo) Support for iOS 10th Support for iPad Pro 12.9". Stop supporting iOS8.

  • 2.1

    Localization to Korean and Japanese. UI improvements.

  • 2.2

    iPad multitasking Localization to Chinese

  • 2.3

    News: - iPhoneX support - iPad Pro 12.9 support Fixes: - Remaining daylight time / time to sunrise row of the main screen fixed for some locations.

  • 2.3.1

    News: - iPad Pro 10.5 support

  • 2.5.0

    - iPhone Xs, iPhone Xr and iPhone Xs Max support - iOS 12 support - iMessage support

  • 2.5.1

    Switch to the new Google API

  • 2.6

    iOS 13 support Dark Mode support

  • 3.0.1 · 27 Jul 2026

    A major new update for DayLight. Sunset isn't darkness. DayLight now shows how much usable light is really left and when it actually gets dark outside. New in this version: • Remaining usable light at a glance • Better real-darkness estimate • Expanded twilight and light details • Improved widgets, notifications, and Apple Watch support The original twilight features are still here, now expanded and easier to use.

  • 3.0.2 · 29 Jul 2026

    Improvements and fixes in version 3.0.2 • The app opens noticeably faster • Fixed truncated times and the AM/PM marker wrapping in the day-phase overview • Past and future days now show the length of the day and the difference from the previous day instead of today's countdown • Equinoxes and solstices on the map and in the calendar now match the local seasons for places in the southern hemisphere

Availability by market

Data quality & evidence

Page completeness
Live store listing
Last verified
31 Jul 2026
Sources
App Store

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