# Sleep Tracker vs Caffix

The clearest difference is in-app purchases: Caffix at none against Sleep Tracker's 1. Sleep Tracker's advantage is iOS requirement (12.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sleep Tracker sells 1 in-app purchase, starting at $29.99 per year. Caffix asks for nothing beyond the download.

Sleep Tracker ships an update every 11 days, Caffix every 3 weeks. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Sleep Tracker | Caffix |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 314 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Truong Pham Quang](https://appshunter.io/developer/1632053016) | [Tunde Timea Bartha](https://appshunter.io/developer/1731109217) |

## What reviewers say

### Sleep Tracker

[App page](https://appshunter.io/ios/app/sleep-tracker-forest-aura/id6498148086)

This app offers a vast library of natural soundscapes to promote relaxation and improve sleep quality. It features sleep tracking technology to reveal patterns and includes an alarm with a snore detector. The goal is to help users achieve more restful sleep and reconnect with nature.

**Highlights:** 800+ natural soundscapes, Daily new soundscape, Sleep tracking technology, Sleep recorder, Snore detector, Groundbreaking alarm feature

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $29.99 | per year |


### Caffix

[App page](https://appshunter.io/ios/app/caffix/id6744583258)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Tracker free?

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

### Is Caffix free?

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

### Do Sleep Tracker or Caffix have ads?

Neither Sleep Tracker nor Caffix shows ads.

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

Sleep Tracker ships an update every 11 days, and Caffix every 3 weeks. Most recently, Sleep Tracker was updated on October 4, 2026 and Caffix on October 8, 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.*