# Aminosyrer vs Trig Function(Math Drills)

The clearest difference is price: Trig Function(Math Drills) at Free against Aminosyrer's $1.99. Trig Function(Math Drills) also leads on update cadence (every 4 days vs every 7 months) and iOS requirement (12.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

Trig Function(Math Drills) is free to download; Aminosyrer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Aminosyrer ships an update every 7 months, Trig Function(Math Drills) every 4 days. The most recent releases landed on July 7, 2026 and August 4, 2026 respectively.

## The numbers

| Metric | Aminosyrer | Trig Function(Math Drills) |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 3 MB | 28 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Torgeir Holen](https://appshunter.io/developer/640499199) | [郷 田村](https://appshunter.io/developer/1574588679) |

## What reviewers say

### Aminosyrer

[App page](https://appshunter.io/ios/app/aminosyrer/id1391038600)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Aminosyrer free?

Aminosyrer costs $1.99, with no in-app purchases.

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

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

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

Neither Aminosyrer nor Trig Function(Math Drills) shows ads.

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

Aminosyrer ships an update every 7 months, and Trig Function(Math Drills) every 4 days. Most recently, Aminosyrer was updated on July 7, 2026 and Trig Function(Math Drills) on August 4, 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.*