The Best Calculator - Calc Pro

Name: The Best Calculator - Calc Pro
Rating: 4.6 (4711 reviews)
Author: Panoramic Software Inc.

by Panoramic Software Inc.

iPhone

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

Utilities
Productivity

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

5 store screenshots

Pricing & paywalls

App Store

Base Conversions — $0.99
Calc Pro - Design Pack — $0.99
Calc Pro - Full Version — $7.99
Constants — $0.99
Date & Time Calculator — $0.99
Financial Calculator — $1.99
Graphing Calculator — $0.99
Statistics Calculator — $0.99
Unit Converter — $0.99
World Currencies — $0.99

Last verified 6 Aug 2026

Ratings & reviews

App Store

4.6 4711 ratings · App Store

5/5Great calculator. It has modules. Quite useful.
Even in the standard mode you can see your prior calculations by pressing a pen icon at the top right area of the calculator. The scientific calculator does logs and other standard functions. I use the unit converter all the time because I don’t remember the conversion factors. This was a fantastic purchase.

MSM__Aux1 · 6 Aug 2026
1/5Great calc, but with a major flaw
This is really a great calc, but with a major flaw when in RPN mode. I reported the flaw repeatedly, with no fix and no acknowledgement of my reports, despite their promise in the help screen that they would ack bug reports and feedback. The flaw happens when the calc is in RPN mode, emulating a real HP RPN calc. It's about the key LastX. I am not going to explain how LastX should work - you either know it, or you don't, and if you don't, it doesn't matter; it means you are not in the RPN mindset. In this calc, LastX does NOTHING - it's totally, absolutely USELESS. I would have given it five stars, but because of their stubborness in handling - actually, not handling - customer's feedback and bug reports, I punish them with one star.

mvassal · 6 Aug 2026
1/5If looking for a Statistics calculator, keep searching
One of their calculator is a statistics Calc, and a sorry one it is at that. It has a small list of linear regression functions, some permutation and combination calculations but not even a standard deviation function. Forget about X2 function either or z values and probabilities, average, correlation, or even median. To call this a stats Calc is just wrong. I would rate it zero star if I could. Somehow they think inverse tangent, cosine, etc is part of the basic stats tools. Wish I could get my money back. Maybe they omitted a screenshot of their statistical calculator on their App Store description for a reason…

Peace & Chocolate · 6 Aug 2026
4/5Being a must app on my cellphone for 10+ years
I’m a heavy user on currency exchanges and conversations. The currency updates had been a great help, I haven’t seen another Calc app feed this many diversions of math needs with in depth variations as this one. The only reason I give a 4 star is because lately the conversion update in the free version are about a couple days behind real time currency exchange. A must Calc app across my devices.

牧草宣言 · 6 Aug 2026
5/5Well done
This calc app is the best I’ve used. I’ve only used it for basic math, whereas it has 8 or 9 other functions, which I haven’t used so I can’t assess those. I like the options for personalizing the display. At top right is an icon of rolled tape, which switches to a page showing the inputs for review. It’s easy to calc tax. If you’ve used a ten-key, it’s a bit different but easily adapted to. There’s no login or ID for it. I used it for a long time and finally (happily) paid the $7.99 to remove ads. But after deleting in error and reloading it, I have ads back again. I emailed them and I expect a correction. I recommend this app.

decision_time · 6 Aug 2026

Privacy & accessibility

App Store

Privacy

Data Linked to You — Third-Party Advertising — Location — Coarse Location Developer declared
Data Linked to You — Location Developer declared
Data Not Linked to You — Third-Party Advertising — Diagnostics — Other Diagnostic Data Developer declared
Data Not Linked to You — Third-Party Advertising — Diagnostics — Performance Data Developer declared
Data Not Linked to You — Third-Party Advertising — Identifiers — Device ID Developer declared
Data Not Linked to You — Third-Party Advertising — Usage Data — Advertising Data Developer declared
Data Not Linked to You — Third-Party Advertising — Usage Data — Other Usage Data Developer declared
Data Not Linked to You — Third-Party Advertising — 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
Data Used to Track You — Usage Data — Other Usage Data Developer declared
Data Used to Track You — Usage Data Developer declared

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Accessibility

No accessibility labels collected yet.

Versions

App Store

4.0.3
• E-mail your Graph Calculator equations and image! • E-mail worksheets from the Financial Calculator! • Great improvements and some minor fixes.
4.1.0
- Constants Translations to the Solar System and Element categories have been added for French, Spanish, Korean, Japanese, Russian, Chinese, German, Dutch, Portuguese and Italian. - Improved Skin colors. - Access to mortgage options on the Financial Mortgage Screen. - Other minor improvements and fixes.
5.0.0
Minor updates and fixes iOS 7 support
5.1.0
Display improvements Icon improvements Fixed Email Tape bug Fixed In-App Purchase error Minor performance improvements and fixes
5.1.2
In-App Purchase fix for iOS 7 Bug fixes and improvements
5.1.3
- Added Bitcoin conversions - Localisation improvements - Bug fixes and improvements
5.1.4
improvements and fixes
6.0.0
Now use all 10 calculators for FREE! • Full iOS 8 support • Full support for iPhone 6 & iPhone 6 plus! • Performance Improvements • Bug fixes • New icon and launch image • ANY previous In-App purchase made will not display advertising. Feedback is always welcome. Please contact [email protected] with any issues or suggestions. Thank you for using Calc Pro Free.
6.0.1
• Fixed a bug where the initial welcome screen was sometimes presented to user who had already purchased the software. • Calc Pro title updated. To restore In-App Purchases simply go to the "Store Screen" within Calc Pro Free by selecting the Cart Icon located at the bottom right of the application. Once on the "Store Screen" press the “Restore purchases” button and then enter your Apple Account info which will check for previous purchases.
6.1.0
- Updates to better support iOS 8.1 - Minor fixes and improvements
6.10.0 · 22 Oct 2024
minor improvements and support for iOS 18
6.2.0
Improvements for 64 bit processors Fixed an issue for unit converter negative temperatures Translation improvements Fixes for currency conversion favorite values General fixes and improvements
6.2.1
button accuracy improvements smaller fixes and improvements
6.2.2
fixes and improvements
6.3.0
Skin improvements Performance improvements
6.4.0
- new iOS 9 search integration - localization improvements - smaller fixes and enhancements
6.5.0
now with iOS 10 support new localized support for constants fixes and improvements
6.5.1
fixes an issue with restoring previous purchases
6.6.0
THE TOP CALCULATOR FOR IPHONE New performance improvements! Minor bug fixes.
6.7.0
THE TOP CALCULATOR FOR IPHONE iPhone XS and XS Max support! New performance improvements! Minor bug fixes.
6.7.1
Minor bug fixes.
6.7.2
Minor bug fixes.
6.8.0
Minor bug fixes.
6.8.6
Minor bug fixes.
6.9.0
The latest update includes minor fixes and improvements to enhance the overall user experience.

Show more Show less

Alternatives

Calculator HD Pro Lite — Same category + similar ratings
PowerOne calculator — Same category + similar ratings
Calculator + — Same category + similar ratings
Calculator Plus #1 — Same category + similar ratings
Calculator· — Same category + similar ratings
Haseba Calculator — Same category + similar ratings

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.

Report a correction

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Example prompt

Compare The Best Calculator - Calc Pro with Calculator HD Pro Lite.

View JSON

GET /api/v3/apps/451544502

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}