# Pythagoras Calculator vs Triangle Calculators

The clearest difference is review sentiment: Pythagoras Calculator at 83% against Triangle Calculators's 0%. Pythagoras Calculator also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 26 months). Triangle Calculators's advantage is in-app purchases (none vs 8) and rating (5.0 vs 4.6). On price and device support there is nothing between them.

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

Triangle Calculators 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 4, so its average is the more settled of the two. Written reviews complicate that: 83% of Pythagoras Calculator's written reviews are positive against 0% of Triangle Calculators's, so the app with the better star average is not the one people write more warmly about.

Pythagoras Calculator ships an update every 3 weeks, Triangle Calculators every 26 months. The most recent releases landed on October 18, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Pythagoras Calculator | Triangle Calculators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (242 ratings)](https://appshunter.io/ios/app/pythagoras-calculator/id1270384222/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/triangle-calculators/id1553722101/reviews)** |
| Number of ratings | **242** | 4 |
| Positive reviews | **83.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 26 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 179 MB | 39 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## 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 Calculators

[App page](https://appshunter.io/ios/app/triangle-calculators/id1553722101)

This app simplifies triangle calculations with intuitive inputs and clear diagrams. It covers various triangle types and theorems, offering over 125 calculations and supporting multiple units and languages.

**Highlights:** 125+ triangle calculations, Visual diagrams, Built-in formulas, Multiple unit support, 7 language options, Explores triangle types and theorems

**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 Calculators free?

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

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

Triangle Calculators is rated higher. Pythagoras Calculator averages 4.6 out of 5 from 242 ratings, while Triangle Calculators averages 5.0 from 4 ratings.

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

Triangle Calculators shows ads; Pythagoras Calculator does not.

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

Pythagoras Calculator ships an update every 3 weeks, and Triangle Calculators every 26 months. Most recently, Pythagoras Calculator was updated on October 18, 2026 and Triangle Calculators on September 28, 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.*