# Handwriting Mental Math vs OOQ

The clearest difference is ads: OOQ at none against Handwriting Mental Math's shown. On price, update cadence, 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.

Handwriting Mental Math ships an update fortnightly, OOQ every 2 weeks. The most recent releases landed on June 4, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Handwriting Mental Math | OOQ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 29 MB | 31 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [娟 秦](https://appshunter.io/developer/1493246128) | [Wuhan Guyu Network Technology Co. LTD](https://appshunter.io/developer/1626794207) |

## What reviewers say

### Handwriting Mental Math

[App page](https://appshunter.io/ios/app/handwriting-mental-math/id1505292791)

**Features:** macOS Compatibility

**In-app purchases:** none


### OOQ

[App page](https://appshunter.io/ios/app/ooq/id1626794205)

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

**In-app purchases:** none


## Frequently asked questions

### Is Handwriting Mental Math free?

Handwriting Mental Math is free to download, with no in-app purchases.

### Is OOQ free?

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

### Do Handwriting Mental Math or OOQ have ads?

Handwriting Mental Math shows ads; OOQ does not.

### Which is updated more often, Handwriting Mental Math or OOQ?

Handwriting Mental Math ships an update fortnightly, and OOQ every 2 weeks. Most recently, Handwriting Mental Math was updated on June 4, 2026 and OOQ on September 18, 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.*