# Trig Function(Math Drills) vs Speed Trigonometry

The clearest difference is update cadence: Trig Function(Math Drills) at every 4 days against Speed Trigonometry's every 14 months. Trig Function(Math Drills) also leads on iOS requirement (12.0 vs 18.5). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Trig Function(Math Drills) ships an update every 4 days, Speed Trigonometry every 14 months. The most recent releases landed on September 30, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Trig Function(Math Drills) | Speed Trigonometry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/speed-trigonometry/id6747187585/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 14 months |
| Monetization | Free | Free |
| Size | 28 MB | 2 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [郷 田村](https://appshunter.io/developer/1574588679) | [Nick Petroni](https://appshunter.io/developer/1597208168) |

## What reviewers say

### Trig Function(Math Drills)

[App page](https://appshunter.io/ios/app/trig-functionmath-drills/id1670535500)

Practice trigonometric functions offline with automated question generation and correctness judgment. Review tips and answers, and compete in Challenge Mode to improve your rank. Ideal for students needing to master trigonometry.

**Highlights:** Offline learning, Automated question generation, Correctness judgment, Tips and answers, Challenge Mode, Rank improvement

**Features:** macOS Compatibility

**In-app purchases:** none


### Speed Trigonometry

[App page](https://appshunter.io/ios/app/speed-trigonometry/id6747187585)

This app helps students quickly memorize the unit circle. It quizzes users on sine, cosine, tangent, and inverse trigonometric values for key angles. Developed by students for students, it's ideal for precalculus learners.

**Highlights:** Unit circle memorization, Quizzes on trig values, Focus on key angles, Sine, cosine, tangent, inverse values, Student-developed

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

**In-app purchases:** none


## Frequently asked questions

### Is Trig Function(Math Drills) free?

Trig Function(Math Drills) is free to download, with no in-app purchases.

### Is Speed Trigonometry free?

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

### Do Trig Function(Math Drills) or Speed Trigonometry have ads?

Neither Trig Function(Math Drills) nor Speed Trigonometry shows ads.

### Which is updated more often, Trig Function(Math Drills) or Speed Trigonometry?

Trig Function(Math Drills) ships an update every 4 days, and Speed Trigonometry every 14 months. Most recently, Trig Function(Math Drills) was updated on September 30, 2026 and Speed Trigonometry on September 20, 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.*