# Sleep Lab vs The Sleep Lab

The clearest difference is in-app purchases: The Sleep Lab at none against Sleep Lab's 4. The Sleep Lab also leads on update cadence (every 4 days vs every 9 months) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Sleep Lab sells 4 in-app purchases, starting at $1.99 per 7 days. The Sleep Lab asks for nothing beyond the download.

Sleep Lab ships an update every 9 months, The Sleep Lab every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sleep Lab | The Sleep Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Size | 49 MB | 55 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Saurabh Khare](https://appshunter.io/developer/417606407) | [Jacob Arensman](https://appshunter.io/developer/1873247988) |

## What reviewers say

### Sleep Lab

[App page](https://appshunter.io/ios/app/sleep-lab/id6756171578)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| sleeplab_weekly_199 | $1.99 | per 7 days |
| Sleep Lab Monthly Subscriptions | $1.99 | per month |
| Sleep Lab Yearly Subscriptions | $9.99 | per year |
| sleeplab_yearly_2999 | $29.99 | per year |


### The Sleep Lab

[App page](https://appshunter.io/ios/app/the-sleep-lab/id6758512601)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Lab free?

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

### Is The Sleep Lab free?

The Sleep Lab is free to download, with no in-app purchases.

### Do Sleep Lab or The Sleep Lab have ads?

Neither Sleep Lab nor The Sleep Lab shows ads.

### Which is updated more often, Sleep Lab or The Sleep Lab?

Sleep Lab ships an update every 9 months, and The Sleep Lab every 4 days. Most recently, Sleep Lab was updated on November 5, 2026 and The Sleep Lab on October 31, 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.*