# UnitFlip vs RushCountdown

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

Both are free to download. UnitFlip sells 1 one-off in-app purchase. RushCountdown asks for nothing beyond the download.

## The numbers

| Metric | UnitFlip | RushCountdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Size | 2 MB | 2 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TheChosenVictor LLC](https://appshunter.io/developer/1884403150) | [旭东 关](https://appshunter.io/developer/1523053218) |

## What reviewers say

### UnitFlip

[App page](https://appshunter.io/ios/app/unitflip-unit-converter/id6762089174)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $2.99 | one-time |


### RushCountdown

[App page](https://appshunter.io/ios/app/rushcountdown/id6792314926)

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

**In-app purchases:** none


## Frequently asked questions

### Is UnitFlip free?

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

### Is RushCountdown free?

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

### Do UnitFlip or RushCountdown have ads?

Neither UnitFlip nor RushCountdown 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.*