# TextMath vs RotON

The clearest difference is iOS requirement: TextMath at 15.1 against RotON's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. TextMath sells 1 one-off in-app purchase and RotON sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | TextMath | RotON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Size | 41 MB | 8 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MHOST LTD](https://appshunter.io/developer/1805479638) | [MUNEATSU G.K.](https://appshunter.io/developer/1534902759) |

## What reviewers say

### TextMath

[App page](https://appshunter.io/ios/app/textmath/id6753336547)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Pages | $1.99 | one-time |


### RotON

[App page](https://appshunter.io/ios/app/roton/id6754537065)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 拡張機能（プレミアム） | $1.99 | one-time |


## Frequently asked questions

### Is TextMath free?

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

### Is RotON free?

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

### Do TextMath or RotON have ads?

Neither TextMath nor RotON shows ads.

### Which is updated more often, TextMath or RotON?

TextMath ships an update every 5 days, and RotON every 5 days. Most recently, TextMath was updated on September 9, 2026 and RotON on September 14, 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.*