# Calculator vs Amperix

The clearest difference is update cadence: Calculator at every 2 weeks against Amperix's every 2 months. Amperix's advantage is iOS requirement (15.0 vs 17.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calculator ships an update every 2 weeks, Amperix every 2 months. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calculator | Amperix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 20 MB | 7 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Vicki Partridge](https://appshunter.io/developer/1114861973) | [磊 宗](https://appshunter.io/developer/1891880719) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-easy-maths/id6523667513)

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

**In-app purchases:** none


### Amperix

[App page](https://appshunter.io/ios/app/amperix/id6773653058)

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

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

### Is Amperix free?

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

### Do Calculator or Amperix have ads?

Both Calculator and Amperix show ads.

### Which is updated more often, Calculator or Amperix?

Calculator ships an update every 2 weeks, and Amperix every 2 months. Most recently, Calculator was updated on October 13, 2026 and Amperix 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.*