# Losk vs Acne Tracker

The clearest difference is in-app purchases: Losk at none against Acne Tracker's 3. Losk also leads on update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Acne Tracker sells 3 in-app purchases, starting at $4.99 per month. Losk asks for nothing beyond the download.

Losk ships an update every 4 days, Acne Tracker every 2 months. Both last shipped on November 5, 2026.

## The numbers

| Metric | Losk | Acne Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 23 MB | 11 MB |
| Requires iOS | **17.0** | 18 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Artem Khizhnyak](https://appshunter.io/developer/1895641582) | [Karol Jaworski](https://appshunter.io/developer/1799974477) |

## What reviewers say

### Losk

[App page](https://appshunter.io/ios/app/losk/id6764105776)

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

**In-app purchases:** none


### Acne Tracker

[App page](https://appshunter.io/ios/app/acne-tracker-clarity/id6768031041)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clarity Pro | $4.99 | per month |
| Clarity Pro | $39.99 | per year |
| Clarity Pro | $39.99 | per year |


## Frequently asked questions

### Is Losk free?

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

### Is Acne Tracker free?

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

### Do Losk or Acne Tracker have ads?

Neither Losk nor Acne Tracker shows ads.

### Which is updated more often, Losk or Acne Tracker?

Losk ships an update every 4 days, and Acne Tracker every 2 months. Most recently, Losk was updated on November 5, 2026 and Acne Tracker on November 5, 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.*