# Calculator AI vs History Lib

The clearest difference is in-app purchases: History Lib at none against Calculator AI's 2. History Lib also leads on device support (3 vs 1). Calculator AI's advantage is update cadence (every 8 days vs monthly) and iOS requirement (17.0 vs 26.0). On price and ads there is nothing between them.

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

Calculator AI ships an update every 8 days, History Lib monthly. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Calculator AI | History Lib |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Monthly |
| Size | 11 MB | 5 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Aya Labs B.V.](https://appshunter.io/developer/1505783699) | [建谌 潘](https://appshunter.io/developer/1858767683) |

## What reviewers say

### 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 |


### History Lib

[App page](https://appshunter.io/ios/app/history-lib/id6761198319)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calculator AI free?

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

### Is History Lib free?

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

### Do Calculator AI or History Lib have ads?

Neither Calculator AI nor History Lib shows ads.

### Which is updated more often, Calculator AI or History Lib?

Calculator AI ships an update every 8 days, and History Lib monthly. Most recently, Calculator AI was updated on October 10, 2026 and History Lib on October 15, 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.*