# Sleepcraft vs ZZZ Tracker

The clearest difference is in-app purchases: ZZZ Tracker at none against Sleepcraft's 4. ZZZ Tracker also leads on iOS requirement (15.0 vs 18.0). Sleepcraft's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Sleepcraft sells 4 in-app purchases, starting at $9.99 per month. ZZZ Tracker asks for nothing beyond the download.

Sleepcraft ships an update weekly, ZZZ Tracker every 3 weeks. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Sleepcraft | ZZZ Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (28 ratings)](https://appshunter.io/ios/app/sleepcraft-sleep-tracker/id6756740366/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 29 MB | 29 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Nikolai Fabrika](https://appshunter.io/developer/929517436) | [Luc Pham Van](https://appshunter.io/developer/1544588097) |

## What reviewers say

### Sleepcraft

[App page](https://appshunter.io/ios/app/sleepcraft-sleep-tracker/id6756740366)

This app analyzes your sleep stages, providing individual scores for deep, REM, and light sleep. It visualizes your sleep patterns on a clock face and helps you understand how daily factors affect your sleep quality. It also connects daytime activity to nightly recovery and forecasts sleep quality based on trends.

**Highlights:** Sleep stage scoring (deep, REM, light), 12-hour sleep clock visualization, Personalized scoring by age and sex, Tagging daily factors affecting sleep, Daytime activity and HRV integration, Sleep quality forecasting

**Features:** Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleepcraft Membership | $9.99 | per month |
| Sleepcraft Membership | $9.99 | per month |
| Sleepcraft Membership | $49.99 | per year |
| Sleepcraft Membership | $49.99 | per year |


### ZZZ Tracker

[App page](https://appshunter.io/ios/app/zzz-tracker/id6778461481)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sleepcraft free?

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

### Is ZZZ Tracker free?

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

### Do Sleepcraft or ZZZ Tracker have ads?

Neither Sleepcraft nor ZZZ Tracker shows ads.

### Which is updated more often, Sleepcraft or ZZZ Tracker?

Sleepcraft ships an update weekly, and ZZZ Tracker every 3 weeks. Most recently, Sleepcraft was updated on October 19, 2026 and ZZZ Tracker on October 14, 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.*