# Pythagoras Calculator vs Triangle Solver

The clearest difference is in-app purchases: Triangle Solver at none against Pythagoras Calculator's 8. Triangle Solver also leads on rating (5.0 vs 4.6). Pythagoras Calculator's advantage is ads (none vs shown) and ratings volume (242 vs 2). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Pythagoras Calculator sells 8 one-off in-app purchases. Triangle Solver asks for nothing beyond the download.

Triangle Solver holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Pythagoras Calculator has 242 ratings behind it against 2, so its average is the more settled of the two.

Pythagoras Calculator ships an update every 3 weeks, Triangle Solver monthly. The most recent releases landed on September 22, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Pythagoras Calculator | Triangle Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (242 ratings)](https://appshunter.io/ios/app/pythagoras-calculator/id1270384222/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/triangle-solver/id1508047860/reviews)** |
| Number of ratings | **242** | 2 |
| Positive reviews | 83.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 179 MB | 47 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Francesco Varotti](https://appshunter.io/developer/1501752853) |

## What reviewers say

### Pythagoras Calculator

[App page](https://appshunter.io/ios/app/pythagoras-calculator/id1270384222)

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.

**Highlights:** Pythagorean theorem calculations, Calculate any of the three sides, History of calculations, Supports fraction input, Shareable solutions, Ad-free option

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $1.99 | one-time |
| Lifetime Access | $1.99 | one-time |

**What reviewers like**

- 👍 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

**What reviewers complain about**

- 📢 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)

**Reported bugs**

- 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

**Requested features**

- Calculate triangle angles
- Support angle-based calculations with one side
- Better monetization without aggressive ads
- Improved ratings system
- Real-time results display


### Triangle Solver

[App page](https://appshunter.io/ios/app/triangle-solver/id1508047860)

This app provides step-by-step solutions for triangle calculations and angle conversions. It includes practice exercises, a trigonometry formula sheet, and an integrated math keyboard for easy input. Ideal for students and professionals needing to master triangle properties.

**Highlights:** Step-by-step triangle calculations, Angle conversion, Practice trigonometry exercises, Trigonometry formula sheet, Integrated math keyboard

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pythagoras Calculator free?

Pythagoras Calculator is free to download, with in-app purchases available.

### Is Triangle Solver free?

Triangle Solver is free to download, with no in-app purchases.

### Which has better reviews, Pythagoras Calculator or Triangle Solver?

Triangle Solver is rated higher. Pythagoras Calculator averages 4.6 out of 5 from 242 ratings, while Triangle Solver averages 5.0 from 2 ratings.

### Do Pythagoras Calculator or Triangle Solver have ads?

Triangle Solver shows ads; Pythagoras Calculator does not.

### Which is updated more often, Pythagoras Calculator or Triangle Solver?

Pythagoras Calculator ships an update every 3 weeks, and Triangle Solver monthly. Most recently, Pythagoras Calculator was updated on September 22, 2026 and Triangle Solver on September 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*