# Chemistutor vs TurtleVest

The clearest difference is update cadence: TurtleVest at every 5 weeks against Chemistutor's every 12 months. TurtleVest also leads on iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Chemistutor ships an update every 12 months, TurtleVest every 5 weeks. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Chemistutor | TurtleVest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (27 ratings)](https://appshunter.io/ios/app/chemistutor/id6670772147/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 76.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 25 MB | 134 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Jonathan Davis Miller](https://appshunter.io/developer/1767512630) | [Vivekananda Chintala](https://appshunter.io/developer/1794645108) |

## What reviewers say

### Chemistutor

[App page](https://appshunter.io/ios/app/chemistutor/id6670772147)

Master AP Chemistry with this comprehensive study tool. It offers readings, diagrams, and example problems aligned with the AP curriculum. Learn anytime, anywhere, without distractions, to achieve success in a challenging course.

**Highlights:** AP Chemistry curriculum coverage, 100+ concise lessons, Readings, diagrams, and example problems, No ads or in-app purchases, Learn anytime, anywhere, iPhone and iPad compatible

**In-app purchases:** none


### TurtleVest

[App page](https://appshunter.io/ios/app/turtlevest/id6746081109)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chemistutor free?

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

### Is TurtleVest free?

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

### Do Chemistutor or TurtleVest have ads?

Neither Chemistutor nor TurtleVest shows ads.

### Which is updated more often, Chemistutor or TurtleVest?

Chemistutor ships an update every 12 months, and TurtleVest every 5 weeks. Most recently, Chemistutor was updated on October 4, 2026 and TurtleVest on October 3, 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.*