# Trigonometry vs General Triangle

The clearest difference is review sentiment: General Triangle at 100% against Trigonometry's 0%. General Triangle also leads on rating (5.0 vs 1.0). Trigonometry's advantage is in-app purchases (none vs 8) and ratings volume (4 vs 1). On price, update cadence, ads and device support there is nothing between them.

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

General Triangle holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 0% of Trigonometry's written reviews are positive against 100% of General Triangle's.

Trigonometry ships an update every 2 weeks, General Triangle every 3 weeks. The most recent releases landed on September 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Trigonometry | General Triangle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/trigonometry/id1550614008/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/general-triangle/id1617819104/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 182 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Konstantinos Anagnostou](https://appshunter.io/developer/1550614010) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Trigonometry

[App page](https://appshunter.io/ios/app/trigonometry/id1550614008)

Learn basic trigonometric formulas through interactive theory and fun games. Earn points to progress through levels and master the concepts.

**Highlights:** Memorize basic trigonometric formulas, Interactive theory section, Four included games, Earn points to advance levels, Beginner-friendly

**Features:** macOS Compatibility

**In-app purchases:** none


### General Triangle

[App page](https://appshunter.io/ios/app/general-triangle/id1617819104)

Instantly solve geometry problems and prepare for exams with step-by-step solutions. Input your triangle measurements to calculate all lengths, angles, heights, area, and perimeter. Access a wealth of learning resources and manage your saved solutions.

**Highlights:** Step-by-step solutions, Calculate lengths, angles, area, perimeter, Triangle visualization, Curated learning videos, Manage saved solutions, Feedback on incorrect inputs

**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 | $1.99 | one-time |
| Lifetime Access | $2.99 | one-time |


## Frequently asked questions

### Is Trigonometry free?

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

### Is General Triangle free?

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

### Which has better reviews, Trigonometry or General Triangle?

General Triangle is rated higher. Trigonometry averages 1.0 out of 5 from 4 ratings, while General Triangle averages 5.0 from 1 ratings.

### Do Trigonometry or General Triangle have ads?

Neither Trigonometry nor General Triangle shows ads.

### Which is updated more often, Trigonometry or General Triangle?

Trigonometry ships an update every 2 weeks, and General Triangle every 3 weeks. Most recently, Trigonometry was updated on September 22, 2026 and General Triangle on October 7, 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.*