# Math & Trigonometry vs Isosceles Triangle

The clearest difference is update cadence: Math & Trigonometry at every 5 days against Isosceles Triangle's every 3 weeks. Math & Trigonometry also leads on iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Math & Trigonometry sells 3 one-off in-app purchases and Isosceles Triangle sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Math & Trigonometry ships an update every 5 days, Isosceles Triangle every 3 weeks. The most recent releases landed on September 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Math & Trigonometry | Isosceles Triangle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (11 ratings)](https://appshunter.io/ios/app/math-and-trigonometry/id1274130670/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 180 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxime Haeyaert](https://appshunter.io/developer/1274130669) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Math & Trigonometry

[App page](https://appshunter.io/ios/app/math-and-trigonometry/id1274130670)

This app simplifies complex math concepts with a wide range of calculation tools. It covers geometry, trigonometry, derivatives, and more, making math accessible for users worldwide. Easily perform calculations for triangles, volumes, areas, and fractions.

**Highlights:** Rectangle triangle calculations, Pythagorean theorem, Trigonometry functions, Volume and area calculations, Fraction simplification, Derivative calculations, Thales theorem

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Triangles and Angles | $0.99 | one-time |
| Functions and Derivatives | $1.99 | one-time |
| Primitives and Integrals | $1.99 | one-time |


### 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 |


## Frequently asked questions

### Is Math & Trigonometry free?

Math & Trigonometry is free to download, with in-app purchases available.

### Is Isosceles Triangle free?

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

### Do Math & Trigonometry or Isosceles Triangle have ads?

Neither Math & Trigonometry nor Isosceles Triangle shows ads.

### Which is updated more often, Math & Trigonometry or Isosceles Triangle?

Math & Trigonometry ships an update every 5 days, and Isosceles Triangle every 3 weeks. Most recently, Math & Trigonometry was updated on September 8, 2026 and Isosceles Triangle on September 24, 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.*