# RosaKnock vs ShowerChallenge

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

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

## The numbers

| Metric | RosaKnock | ShowerChallenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 114 MB | 11 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rosemary Solutions](https://appshunter.io/developer/1815144760) | [Williams Martinez](https://appshunter.io/developer/674151863) |

## What reviewers say

### RosaKnock

[App page](https://appshunter.io/ios/app/rosaknock-focus-and-adhd-timer/id6758372304)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $2.99 | one-time |


### ShowerChallenge

[App page](https://appshunter.io/ios/app/showerchallenge/id6780986743)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RosaKnock free?

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

### Is ShowerChallenge free?

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

### Do RosaKnock or ShowerChallenge have ads?

Neither RosaKnock nor ShowerChallenge 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.*