iMath vs Pythagoras Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iMath
This app assists with various math calculations, including quadratic equations, the Pythagorean theorem, and logarithms. It displays the formulas used to aid learning and features an easy-to-use interface for checking homework or teaching others.
- Calculates quadratic equations
- Calculates Pythagoras theorem
- Calculates logarithm equations
- Displays formulas for learning
- Easy-to-use interface
- Custom problem submission
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Version 3.0 was redesigned from the group up to enable compatibility with new devices and iOS 10. New: -Awarded "Best" at iPhoneAppsPlus Are you learning about Pythagoras or Quadratic Equations? iMath is here to help you with it. Ever needed a simple and easy way to solve or check your math tests, homework or simply teach someone? Well then get iMath now! Features: - Calculates Quadratic equations. - Calculates Pythagoras theorem. - Calculates Logarithm equations. - Shows formulas used so you can learn too! - Easy-to-use interface. - Send: For custom mathematical problems use the Send tab. We appreciate your feedback as we're working on improvements based on reviews. Credits: Icon design made by Max Rudberg (http://www.maxthemes.com/)
Pythagoras Calculator
Easily calculate any side of a right-angled triangle using the Pythagorean theorem. Input two sides to find the third, with all calculations saved in a history. Supports fractions and offers an ad-free option.
- Pythagorean theorem calculations
- Calculate any of the three sides
- History of calculations
- Supports fraction input
- Shareable solutions
- Ad-free option
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Finish your homework instantly. Prepare for exams without stress. Free, complete step-by-step solutions. Enter two sides and calculate the third using the Pythagorean theorem. HOW IT WORKS Enter your values in the correct fields and get started. You’ll receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don’t need it. Only anonymized data is collected, for example: - which features are used - how many solutions are generated This helps us improve. We cannot draw any conclusions about you. COSTS Everything is free to use. 24/7 access to your solutions. All solution steps are always fully available. If you need many solutions in a short time, various purchase options are available. EXTRAS - curated learning videos - feedback on incorrect inputs - manage your own solutions - app introduction CONTACT Questions and feedback via Discord or directly in the app review.
Screenshots
Verdict
The clearest difference is rating: Pythagoras Calculator at 4.6 against iMath's 2.9. Pythagoras Calculator also leads on update cadence (every 4 weeks vs every 6 months) and review sentiment (83% vs 57%). iMath's advantage is in-app purchases (none vs 8) and iOS requirement (8.0 vs 15.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Pythagoras Calculator sells 8 one-off in-app purchases. iMath asks for nothing beyond the download.
Pythagoras Calculator holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: Pythagoras Calculator has 248 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 57% of iMath's written reviews are positive against 83% of Pythagoras Calculator's.
iMath ships an update every 6 months, Pythagoras Calculator every 4 weeks. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.
| Parameter | iMath | Pythagoras Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (7 ratings) | 4.6 (248 ratings) — better |
| Positive reviews | 57.1% of reviews | 83.0% of reviews — better |
| Number of ratings | 7 | 248 — better |
| Update frequency | Every 6 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 179 MB |
| Age rating | 4+ | 4+ |
| Developer | Rafael Cimatti | Glindemann, Sennoun, Langer GbR |
Customer experience
iMath
Pythagoras Calculator
Bugs and requests
iMath
Not enough reviews yet to summarise bugs or requests.
Pythagoras Calculator
Reported bugs
6 issues- App crashes or fails to calculate
- Paid ad removal not working properly
- Fraudulent payment processing through third-party sites
- Occasional incorrect calculation results
- App not functioning on iPhone 5SE and older devices
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- Persistent ads despite payment for removal
Requested features
6 requests- Calculate triangle angles
- Support angle-based calculations with one side
- Better monetization without aggressive ads
- Improved ratings system
- Real-time results display
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- Support for non-right triangles
In-app purchases
iMath
No in-app purchases
Pythagoras Calculator
- +30 User Tokens$0.29
- +1 Convenience Token / 6h, max. +2$0.59
- +2 Convenience Tokens / 6h, max. +4$0.99
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- +150 User Tokens$0.99
- +300 User Tokens$1.49
- +4 Convenience Tokens / 6h, max. +8$1.59
- Remove Ads$1.99
- Lifetime Access$1.99
Questions
Is iMath free?
Is Pythagoras Calculator free?
Which has better reviews, iMath or Pythagoras Calculator?
Do iMath or Pythagoras Calculator have ads?
Which is updated more often, iMath or Pythagoras Calculator?
Other comparisons
