# Move Stick vs Chemistry Solver AI

The clearest difference is update cadence: Move Stick at weekly against Chemistry Solver AI's every 4 months. Move Stick also leads on device support (4 vs 2) and iOS requirement (10.3 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Move Stick sells 2 one-off in-app purchases and Chemistry Solver AI sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Move Stick ships an update weekly, Chemistry Solver AI every 4 months. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Move Stick | Chemistry Solver AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/move-stick/id452703253/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 95.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 24 MB |
| Requires iOS | **10.3** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kunshan Lefan Software Technology Co.,Ltd.](https://appshunter.io/developer/452703256) | [Ilayda Kizil](https://appshunter.io/developer/1819099692) |

## What reviewers say

### Move Stick

[App page](https://appshunter.io/ios/app/move-stick/id452703253)

A simple puzzle game where players move a stick to solve mathematical equations. It's designed for casual fun and requires no instructions to play.

**Highlights:** Equation solving puzzles, Stick manipulation gameplay, Casual and fun, No instructions needed, Suitable for all ages

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced | $1.99 | one-time |
| Proficient | $1.99 | one-time |


### Chemistry Solver AI

[App page](https://appshunter.io/ios/app/chemistry-solver-ai-chemy/id6747715456)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Annual | $49.99 | per year |


## Frequently asked questions

### Is Move Stick free?

Move Stick is free to download, with in-app purchases available.

### Is Chemistry Solver AI free?

Chemistry Solver AI is free to download, with in-app purchases available.

### Do Move Stick or Chemistry Solver AI have ads?

Neither Move Stick nor Chemistry Solver AI shows ads.

### Which is updated more often, Move Stick or Chemistry Solver AI?

Move Stick ships an update weekly, and Chemistry Solver AI every 4 months. Most recently, Move Stick was updated on November 5, 2026 and Chemistry Solver AI on October 30, 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.*