# Key Calculator vs LumiCalc

The clearest difference is in-app purchases: Key Calculator at none against LumiCalc's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LumiCalc sells 1 in-app purchase, starting at $2.99 per month. Key Calculator asks for nothing beyond the download.

## The numbers

| Metric | Key Calculator | LumiCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 27 MB | 3 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [瑞勤 李](https://appshunter.io/developer/1401713785) | [阳 赵](https://appshunter.io/developer/1863829449) |

## What reviewers say

### Key Calculator

[App page](https://appshunter.io/ios/app/key-calculator/id6740821637)

**Features:** macOS Compatibility

**In-app purchases:** none


### LumiCalc

[App page](https://appshunter.io/ios/app/lumicalc/id6759085439)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium — Monthly | $2.99 | per month |


## Frequently asked questions

### Is Key Calculator free?

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

### Is LumiCalc free?

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

### Do Key Calculator or LumiCalc have ads?

Neither Key Calculator nor LumiCalc shows ads.

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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.*