Pythagoras Calculator vs Triangle & Angle calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Triangle & Angle calculator
Easily solve geometry exercises and verify your calculations with this tool. It simplifies complex problems with a single click, making math more accessible.
- Solve geometry exercises
- Check calculations
- Simple click interface
- Angle calculations
- Formula solver
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It is now easier to solve exercises and check his calculations. And with a simple click! For any question / suggestion: TeamTrigoIOS@gmail.com
Screenshots
Verdict
The clearest difference is review sentiment: Pythagoras Calculator at 83% against Triangle & Angle calculator's 5%. Pythagoras Calculator also leads on rating (4.6 vs 4.1) and update cadence (every 4 weeks vs every 3 months). Triangle & Angle calculator's advantage is in-app purchases (none vs 8). On price, ratings volume, ads and monetization model 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. Triangle & Angle calculator asks for nothing beyond the download.
Pythagoras Calculator holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 248 and 216 respectively. Written reviews point the same way: 83% of Pythagoras Calculator's written reviews are positive against 5% of Triangle & Angle calculator's.
Pythagoras Calculator ships an update every 4 weeks, Triangle & Angle calculator every 3 months. Both last shipped on November 3, 2026.
| Parameter | Pythagoras Calculator | Triangle & Angle calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (248 ratings) — better | 4.1 (216 ratings) |
| Positive reviews | 83.0% of reviews — better | 4.5% of reviews |
| Number of ratings | 248 — better | 216 |
| Update frequency | Every 4 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 179 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Glindemann, Sennoun, Langer GbR | Maxime Haeyaert |
Customer experience
Pythagoras Calculator
Triangle & Angle calculator
User reviews
Pythagoras Calculator
From 248 App Store ratingsWhat we love
- 👍 Easy to use and simple interface
- ✅ Accurate calculations for Pythagorean theorem
- 📚 Shows step-by-step solutions for learning
- 🚀 Fast and efficient computation
- 💼 Useful for construction and woodworking projects
Room to improve
- 📢 Intrusive and annoying advertisements
- 💳 Deceptive payment practices and fraudulent charges
- 🔐 Suspicious credit card requirements for access
- ⚠️ Forced rating prompts
- ❌ Limited functionality (only works with 2 known sides)
Triangle & Angle calculator
From 216 App Store ratingsWhat we love
- 👍 Detailed calculations and formulas (rare)
Room to improve
- 광고 Excessive and intrusive ads
- 💰 Forced payment for basic features
- 💸 Unclear payment for formulas
- 🚫 Ads obstruct usability
- 👎 Poor UI/UX
Bugs and 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
Show 1 moreShow fewer
- 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
Show 1 moreShow fewer
- Support for non-right triangles
Triangle & Angle calculator
Reported bugs
6 issues- Pop-up obstructs initial use
- Cannot change settings due to pop-up
- Formulas not visible after payment
- App resets angles
- Menu covers solution
Show 1 moreShow fewer
- Rectangular triangle missing after update
Requested features
2 requests- Metric version available
- Option to disable ads without payment
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
Show 5 moreShow fewer
- +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
Triangle & Angle calculator
No in-app purchases
Questions
Is Pythagoras Calculator free?
Is Triangle & Angle calculator free?
Which has better reviews, Pythagoras Calculator or Triangle & Angle calculator?
Do Pythagoras Calculator or Triangle & Angle calculator have ads?
Which is updated more often, Pythagoras Calculator or Triangle & Angle calculator?
Other comparisons
