# Pythagoras Calculator vs Triangle & Angle calculator

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.

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.

## The numbers

| Metric | Pythagoras Calculator | Triangle & Angle calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (248 ratings)](https://appshunter.io/ios/app/pythagoras-calculator/id1270384222/reviews)** | [4.1 (216 ratings)](https://appshunter.io/ios/app/triangle-and-angle-calculator/id1278963382/reviews) |
| Number of ratings | **248** | 216 |
| Positive reviews | **83.0% of reviews** | 4.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 179 MB | 7 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) | [Maxime Haeyaert](https://appshunter.io/developer/1274130669) |

## 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 & Angle calculator

[App page](https://appshunter.io/ios/app/triangle-and-angle-calculator/id1278963382)

Easily solve geometry exercises and verify your calculations with this tool. It simplifies complex problems with a single click, making math more accessible.

**Highlights:** Solve geometry exercises, Check calculations, Simple click interface, Angle calculations, Formula solver

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Detailed calculations and formulas (rare)

**What reviewers complain about**

-  광고 Excessive and intrusive ads
- 💰 Forced payment for basic features
- 💸 Unclear payment for formulas
- 🚫 Ads obstruct usability
- 👎 Poor UI/UX

**Reported bugs**

- Pop-up obstructs initial use
- Cannot change settings due to pop-up
- Formulas not visible after payment
- App resets angles
- Menu covers solution

**Requested features**

- Metric version available
- Option to disable ads without payment


## Frequently asked questions

### Is Pythagoras Calculator free?

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

### Is Triangle & Angle calculator free?

Triangle & Angle calculator is free to download, with no in-app purchases.

### Which has better reviews, Pythagoras Calculator or Triangle & Angle calculator?

Pythagoras Calculator is rated higher. Pythagoras Calculator averages 4.6 out of 5 from 248 ratings, while Triangle & Angle calculator averages 4.1 from 216 ratings.

### Do Pythagoras Calculator or Triangle & Angle calculator have ads?

Neither Pythagoras Calculator nor Triangle & Angle calculator shows ads.

### Which is updated more often, Pythagoras Calculator or Triangle & Angle calculator?

Pythagoras Calculator ships an update every 4 weeks, and Triangle & Angle calculator every 3 months. Most recently, Pythagoras Calculator was updated on November 3, 2026 and Triangle & Angle calculator on November 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.*