# Math keyboard vs Unitto

The clearest difference is price: Unitto at Free against Math keyboard's $0.99. Math keyboard's advantage is in-app purchases (none vs 1) and iOS requirement (16.0 vs 26.0). On update cadence, ads and device support there is nothing between them.

Unitto is free to download; Math keyboard costs $0.99 up front. Unitto sells 1 one-off in-app purchase. Math keyboard asks for nothing beyond the download.

Math keyboard ships an update monthly, Unitto every 5 weeks. The most recent releases landed on October 3, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Math keyboard | Unitto |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/math-keyboard-calcuboard/id6744564198/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Paid | — |
| Size | 3 MB | 1 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nikolai Rodionov](https://appshunter.io/developer/1123457016) | [永 张](https://appshunter.io/developer/1806535769) |

## What reviewers say

### Math keyboard

[App page](https://appshunter.io/ios/app/math-keyboard-calcuboard/id6744564198)

Perform calculations directly from your keyboard without switching apps. This smart helper allows quick math while chatting, taking notes, or entering data. It features calculator memory to save and reuse values, enhancing productivity.

**Highlights:** Built-in calculator keyboard, Calculator memory function, No app switching required, Supports basic and advanced operations, Minimalist design for productivity

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

**In-app purchases:** none


### Unitto

[App page](https://appshunter.io/ios/app/unitto/id6787210262)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unitto Pro | $4.99 | one-time |


## Frequently asked questions

### Is Math keyboard free?

Math keyboard costs $0.99, with no in-app purchases.

### Is Unitto free?

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

### Do Math keyboard or Unitto have ads?

Neither Math keyboard nor Unitto shows ads.

### Which is updated more often, Math keyboard or Unitto?

Math keyboard ships an update monthly, and Unitto every 5 weeks. Most recently, Math keyboard was updated on October 3, 2026 and Unitto on September 25, 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.*