# Trigonometry calc vs Trigonometry

The clearest difference is rating: Trigonometry calc at 3.0 against Trigonometry's 1.0. Trigonometry's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. Trigonometry calc sells 1 one-off in-app purchase. Trigonometry asks for nothing beyond the download.

Trigonometry calc holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Trigonometry calc ships an update every 3 months, Trigonometry every 2 weeks. The most recent releases landed on October 12, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Trigonometry calc | Trigonometry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/trigonometry-calc/id1306864057/reviews)** | [1.0 (4 ratings)](https://appshunter.io/ios/app/trigonometry/id1550614008/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 9 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bo Kalvslund](https://appshunter.io/developer/572272193) | [Konstantinos Anagnostou](https://appshunter.io/developer/1550614010) |

## What reviewers say

### Trigonometry calc

[App page](https://appshunter.io/ios/app/trigonometry-calc/id1306864057)

Calculate side lengths and angles in right-angled triangles using Pythagorean theorem and trigonometry functions. Learn basic trigonometry concepts. An optional premium version removes ads and unlocks a general triangle calculator.

**Highlights:** Calculate side lengths, Calculate angles, Pythagorean Theorem, Trigonometry functions, Learn simple trigonometry, General triangle calculator (premium)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


### 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


## Frequently asked questions

### Is Trigonometry calc free?

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

### Is Trigonometry free?

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

### Which has better reviews, Trigonometry calc or Trigonometry?

Trigonometry calc is rated higher. Trigonometry calc averages 3.0 out of 5 from 2 ratings, while Trigonometry averages 1.0 from 4 ratings.

### Do Trigonometry calc or Trigonometry have ads?

Trigonometry calc shows ads; Trigonometry does not.

### Which is updated more often, Trigonometry calc or Trigonometry?

Trigonometry calc ships an update every 3 months, and Trigonometry every 2 weeks. Most recently, Trigonometry calc was updated on October 12, 2026 and Trigonometry on September 22, 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.*