Pythagoras Calculator vs Speech Math
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.
Speech Math
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You can easily solve math problems. Now listen to the problem aloud and solve it. You can choose and solve one of the 3 problems of addition, subtraction and multiplication to check and improve your math skills. Provides the ability to listen to and solve math problems by voice. *characteristic* - Supports three arithmetic operations: addition, subtraction, and multiplication - total number of problems - Enter the answer and check the correct answer immediately - Play the four arithmetic operations with TTS voice - Voice language: English, Japanese, Korean, German, French, Spanish - Supported from WatchOS 9.0 - Bluetooth connection required for audio playback - Support option to play through the watch's own speaker ** If you have any questions while using it, please send it to junhuloveapple@gmail.com or through the inquiry form in the app.
Screenshots
Verdict
The clearest difference is price: Pythagoras Calculator at Free against Speech Math's $0.99. Pythagoras Calculator also leads on update cadence (every 3 weeks vs every 10 months). Speech Math's advantage is in-app purchases (none vs 8) and iOS requirement (13.0 vs 15.0). On 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
Pythagoras Calculator is free to download; Speech Math costs $0.99 up front. Pythagoras Calculator sells 8 one-off in-app purchases. Speech Math asks for nothing beyond the download.
Pythagoras Calculator ships an update every 3 weeks, Speech Math every 10 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.
| Parameter | Pythagoras Calculator | Speech Math |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.6 (242 ratings) — better | — |
| Positive reviews | 83.0% of reviews | — |
| Number of ratings | 242 — better | — |
| Update frequency | Every 3 weeks — better | Every 10 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 179 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Glindemann, Sennoun, Langer GbR | kim juyoung |
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
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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
Speech Math
Not enough reviews yet to summarise bugs or requests.
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
Speech Math
No in-app purchases
Questions
Is Pythagoras Calculator free?
Is Speech Math free?
Do Pythagoras Calculator or Speech Math have ads?
Which is updated more often, Pythagoras Calculator or Speech Math?
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