# Isosceles Triangle vs Pythagorean theorem App

The clearest difference is in-app purchases: Pythagorean theorem App at none against Isosceles Triangle's 8. Isosceles Triangle's advantage is update cadence (every 3 weeks vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Isosceles Triangle sells 8 one-off in-app purchases. Pythagorean theorem App asks for nothing beyond the download.

Isosceles Triangle ships an update every 3 weeks, Pythagorean theorem App every 9 months. The most recent releases landed on September 24, 2026 and February 25, 2026 respectively.

## The numbers

| Metric | Isosceles Triangle | Pythagorean theorem App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Size | 180 MB | 23 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Edwin Mejia](https://appshunter.io/developer/1620400021) |

## What reviewers say

### Isosceles Triangle

[App page](https://appshunter.io/ios/app/isosceles-triangle/id1568944138)

**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 |
| +150 User Tokens | $0.99 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $2.99 | one-time |
| Lifetime Access | $2.99 | one-time |


### Pythagorean theorem App

[App page](https://appshunter.io/ios/app/pythagorean-theorem-app/id1621751722)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Isosceles Triangle free?

Isosceles Triangle is free to download, with in-app purchases available.

### Is Pythagorean theorem App free?

Pythagorean theorem App is free to download, with no in-app purchases.

### Do Isosceles Triangle or Pythagorean theorem App have ads?

Neither Isosceles Triangle nor Pythagorean theorem App shows ads.

### Which is updated more often, Isosceles Triangle or Pythagorean theorem App?

Isosceles Triangle ships an update every 3 weeks, and Pythagorean theorem App every 9 months. Most recently, Isosceles Triangle was updated on September 24, 2026 and Pythagorean theorem App on February 25, 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.*