# WOOM vs CalcBlitz

The clearest difference is device support: WOOM at 2 against CalcBlitz's —. WOOM also leads on iOS requirement (18.5 vs 26.2). 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.

## The numbers

| Metric | WOOM | CalcBlitz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Size | 39 MB | 7 MB |
| Requires iOS | **18.5** | 26.2 |
| Devices | **iPhone, Apple Watch** | — |
| Age rating | 17+ | 4+ |
| Developer | [Meanwhile Ventures Inc.](https://appshunter.io/developer/1569236180) | [Slavka Polanova](https://appshunter.io/developer/1708764553) |

## What reviewers say

### WOOM

[App page](https://appshunter.io/ios/app/woom-wad-player/id6751957091)

**Features:** macOS Compatibility

**In-app purchases:** none


### CalcBlitz

[App page](https://appshunter.io/ios/app/calcblitz-quick-math-quiz/id6763125845)

**In-app purchases:** none


## Frequently asked questions

### Is WOOM free?

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

### Is CalcBlitz free?

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

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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.*