# Drift vs Sleep Tracker

The clearest difference is update cadence: Drift at every 2 weeks against Sleep Tracker's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Drift sells 2 in-app purchases, starting at $4.99 per month and Sleep Tracker sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Drift ships an update every 2 weeks, Sleep Tracker every 5 weeks. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Drift | Sleep Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 9 MB | 47 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wolf Technologies Ltd](https://appshunter.io/developer/1893245521) | [Ramazan Erikli](https://appshunter.io/developer/1789625854) |

## What reviewers say

### Drift

[App page](https://appshunter.io/ios/app/drift-sleep-tracker/id6762466972)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drift Premium Monthly | $4.99 | per month |
| Drift Premium Yearly | $39.99 | per year |


### Sleep Tracker

[App page](https://appshunter.io/ios/app/sleep-tracker-sleep-diary/id6766016682)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Tracker Premium (Monthly) | $4.99 | per month |
| Sleep Tracker Premium (Yearly) | $39.99 | per year |


## Frequently asked questions

### Is Drift free?

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

### Is Sleep Tracker free?

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

### Do Drift or Sleep Tracker have ads?

Neither Drift nor Sleep Tracker shows ads.

### Which is updated more often, Drift or Sleep Tracker?

Drift ships an update every 2 weeks, and Sleep Tracker every 5 weeks. Most recently, Drift was updated on October 2, 2026 and Sleep Tracker on October 13, 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.*