# SLEEP 2026 vs BooksTrack by oooe

The clearest difference is ads: BooksTrack by oooe at none against SLEEP 2026's shown. BooksTrack by oooe also leads on update cadence (every 2 days vs every 6 months). SLEEP 2026's advantage is iOS requirement (16.4 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SLEEP 2026 ships an update every 6 months, BooksTrack by oooe every 2 days. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SLEEP 2026 | BooksTrack by oooe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 2 days** |
| Size | 52 MB | 7 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [American Academy of Sleep Medicine](https://appshunter.io/developer/476461157) | [Justin Gardner](https://appshunter.io/developer/1830909813) |

## What reviewers say

### SLEEP 2026

[App page](https://appshunter.io/ios/app/sleep-2026/id6745907488)

**In-app purchases:** none


### BooksTrack by oooe

[App page](https://appshunter.io/ios/app/bookstrack-by-oooe/id6749519939)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SLEEP 2026 free?

SLEEP 2026 is free to download, with no in-app purchases.

### Is BooksTrack by oooe free?

BooksTrack by oooe is free to download, with no in-app purchases.

### Do SLEEP 2026 or BooksTrack by oooe have ads?

SLEEP 2026 shows ads; BooksTrack by oooe does not.

### Which is updated more often, SLEEP 2026 or BooksTrack by oooe?

SLEEP 2026 ships an update every 6 months, and BooksTrack by oooe every 2 days. Most recently, SLEEP 2026 was updated on October 9, 2026 and BooksTrack by oooe on October 17, 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.*