# HARAKU vs Math Surface

The clearest difference is iOS requirement: HARAKU at 13.0 against Math Surface's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | HARAKU | Math Surface |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Weekly | Weekly |
| Size | 24 MB | 10 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) | [yuya kanbetsunawa](https://appshunter.io/developer/1597026161) |

## What reviewers say

### HARAKU

[App page](https://appshunter.io/ios/app/haraku/id6759958253)

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

**In-app purchases:** none


### Math Surface

[App page](https://appshunter.io/ios/app/math-surface/id6774883910)

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

**In-app purchases:** none


## Frequently asked questions

### Is HARAKU free?

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

### Is Math Surface free?

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

### Do HARAKU or Math Surface have ads?

Both HARAKU and Math Surface show ads.

### Which is updated more often, HARAKU or Math Surface?

HARAKU ships an update weekly, and Math Surface weekly. Most recently, HARAKU was updated on September 17, 2026 and Math Surface on September 22, 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.*