# Calculator X vs App.

The clearest difference is update cadence: App. at every 4 days against Calculator X's every 4 weeks. App. also leads on device support. Calculator X's advantage is iOS requirement (15.6 vs 18.2). On price 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.

Calculator X ships an update every 4 weeks, App. every 4 days. The most recent releases landed on September 18, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Calculator X | App. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Size | 4 MB | 66 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ahed Qaraqra](https://appshunter.io/developer/1361264559) | [Eran Katsav](https://appshunter.io/developer/656314140) |

## What reviewers say

### Calculator X

[App page](https://appshunter.io/ios/app/calculator-x-dev-and-graphs/id1570984031)

**In-app purchases:** none


### App.

[App page](https://appshunter.io/ios/app/app/id6764108514)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator X free?

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

### Is App. free?

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

### Which is updated more often, Calculator X or App.?

Calculator X ships an update every 4 weeks, and App. every 4 days. Most recently, Calculator X was updated on September 18, 2026 and App. on September 19, 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.*