# Aritmo vs Chess Openings Personal Coach

The clearest difference is ads: Chess Openings Personal Coach at none against Aritmo's shown. Aritmo's advantage is update cadence (every 2 days vs every 9 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Aritmo sells 2 in-app purchases, starting at $3.99 per month and Chess Openings Personal Coach sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Aritmo ships an update every 2 days, Chess Openings Personal Coach every 9 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Aritmo | Chess Openings Personal Coach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 9 days |
| Size | 13 MB | 58 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LUCCA EMMANUEL PINELI SIMOES LTDA](https://appshunter.io/developer/1884998353) | [Connor Cunningham](https://appshunter.io/developer/6782220521) |

## What reviewers say

### Aritmo

[App page](https://appshunter.io/ios/app/aritmo/id6760564207)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aritmo Premium | $3.99 | per month |
| Aritmo Yearly Premium Access | $29.99 | per year |


### Chess Openings Personal Coach

[App page](https://appshunter.io/ios/app/chess-openings-personal-coach/id6782220279)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is Aritmo free?

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

### Is Chess Openings Personal Coach free?

Chess Openings Personal Coach is free to download, with in-app purchases available.

### Do Aritmo or Chess Openings Personal Coach have ads?

Aritmo shows ads; Chess Openings Personal Coach does not.

### Which is updated more often, Aritmo or Chess Openings Personal Coach?

Aritmo ships an update every 2 days, and Chess Openings Personal Coach every 9 days. Most recently, Aritmo was updated on October 31, 2026 and Chess Openings Personal Coach on October 31, 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.*