# Coordinates Master vs Algebra Helper by ChatStick

The clearest difference is in-app purchases: Coordinates Master at none against Algebra Helper by ChatStick's 1. Coordinates Master also leads on update cadence (every 5 days vs every 6 months) and iOS requirement (16.6 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. Algebra Helper by ChatStick sells 1 one-off in-app purchase. Coordinates Master asks for nothing beyond the download.

Coordinates Master ships an update every 5 days, Algebra Helper by ChatStick every 6 months. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Coordinates Master | Algebra Helper by ChatStick |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 6 months |
| Size | 5 MB | 9 MB |
| Requires iOS | **16.6** | 18.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Katsuhiko Yao](https://appshunter.io/developer/1543188534) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Coordinates Master

[App page](https://appshunter.io/ios/app/coordinates-master/id6736381440)

**Features:** macOS Compatibility

**In-app purchases:** none


### Algebra Helper by ChatStick

[App page](https://appshunter.io/ios/app/algebra-helper-by-chatstick/id6752741725)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $1.99 | one-time |


## Frequently asked questions

### Is Coordinates Master free?

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

### Is Algebra Helper by ChatStick free?

Algebra Helper by ChatStick is free to download, with in-app purchases available.

### Do Coordinates Master or Algebra Helper by ChatStick have ads?

Both Coordinates Master and Algebra Helper by ChatStick show ads.

### Which is updated more often, Coordinates Master or Algebra Helper by ChatStick?

Coordinates Master ships an update every 5 days, and Algebra Helper by ChatStick every 6 months. Most recently, Coordinates Master was updated on October 12, 2026 and Algebra Helper by ChatStick on October 17, 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.*