# Sleepcraft vs PhisBio Lab

The clearest difference is update cadence: Sleepcraft at weekly against PhisBio Lab's every 3 months. PhisBio Lab's advantage is iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases 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 and PhisBio Lab sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Sleepcraft ships an update weekly, PhisBio Lab every 3 months. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Sleepcraft | PhisBio Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (30 ratings)](https://appshunter.io/ios/app/sleepcraft-sleep-tracker/id6756740366/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free | — |
| Size | 29 MB | 3 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Nikolai Fabrika](https://appshunter.io/developer/929517436) | [Ragtime Tech](https://appshunter.io/developer/1865976458) |

## 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 |


### PhisBio Lab

[App page](https://appshunter.io/ios/app/phisbio-lab/id6794956012)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PhisBio Lab | $8.99 | per month |
| PhisBio Lab | $17.99 | per month |


## Frequently asked questions

### Is Sleepcraft free?

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

### Is PhisBio Lab free?

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

### Do Sleepcraft or PhisBio Lab have ads?

Neither Sleepcraft nor PhisBio Lab shows ads.

### Which is updated more often, Sleepcraft or PhisBio Lab?

Sleepcraft ships an update weekly, and PhisBio Lab every 3 months. Most recently, Sleepcraft was updated on October 23, 2026 and PhisBio Lab on October 29, 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.*