# Unvigintuple Calc vs Calculator AI

The clearest difference is in-app purchases: Unvigintuple Calc at none against Calculator AI's 2. Unvigintuple Calc also leads on device support (3 vs 1) and iOS requirement (15.8.3 vs 17.0). Calculator AI's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. Calculator AI sells 2 in-app purchases, starting at $9.99 per 7 days. Unvigintuple Calc asks for nothing beyond the download.

Unvigintuple Calc ships an update every 2 weeks, Calculator AI every 8 days. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Unvigintuple Calc | Calculator AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Size | 36 MB | 11 MB |
| Requires iOS | **15.8.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Aya Labs B.V.](https://appshunter.io/developer/1505783699) |

## What reviewers say

### Unvigintuple Calc

[App page](https://appshunter.io/ios/app/unvigintuple-calc/id6742525694)

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

**In-app purchases:** none


### Calculator AI

[App page](https://appshunter.io/ios/app/calculator-ai-math-solver/id6747848256)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator AI Pro | $9.99 | per 7 days |
| Calculator AI Pro | $9.99 | per 7 days |


## Frequently asked questions

### Is Unvigintuple Calc free?

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

### Is Calculator AI free?

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

### Do Unvigintuple Calc or Calculator AI have ads?

Unvigintuple Calc shows ads; Calculator AI does not.

### Which is updated more often, Unvigintuple Calc or Calculator AI?

Unvigintuple Calc ships an update every 2 weeks, and Calculator AI every 8 days. Most recently, Unvigintuple Calc was updated on October 16, 2026 and Calculator AI on October 24, 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.*