# REM Sleep Tracker vs Trekka

The clearest difference is review sentiment: Trekka at 100% against REM Sleep Tracker's 0%. REM Sleep Tracker's advantage is iOS requirement (16.0 vs 18.5). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. REM Sleep Tracker sells 2 in-app purchases, starting at $9.99 per year and Trekka sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

REM Sleep Tracker ships an update every 2 weeks, Trekka every 9 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | REM Sleep Tracker | Trekka |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (49 ratings)](https://appshunter.io/ios/app/rem-sleep-tracker/id6446677275/reviews)** | — |
| Number of ratings | **49** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 25 MB | 60 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nicola Eusebi](https://appshunter.io/developer/737311863) | [PARKER ALEXANDER SIROISHKA](https://appshunter.io/developer/1882882528) |

## What reviewers say

### REM Sleep Tracker

[App page](https://appshunter.io/ios/app/rem-sleep-tracker/id6446677275)

This app analyzes Apple Watch sensor data to provide a sleep quality score. It offers detailed insights into sleep stages, heart rate, and weekly trends, helping users understand and improve their rest habits.

**Highlights:** Sleep quality scoring, Detailed sleep stage analysis (light, deep, REM), Heart rate monitoring, Weekly trend tracking, Sleep bank concept for habit analysis, Apple Health integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Score Premium Yearly | $9.99 | per year |
| Sleep Score Premium Yearly | $29.99 | per year |


### Trekka

[App page](https://appshunter.io/ios/app/trekka/id6760152941)

Virtually walk iconic routes by syncing with your existing step and distance data from Apple Health. Track progress on marathons, hikes, and unique challenges without needing extra workout tracking. Earn notifications for milestones and monitor shoe wear.

**Highlights:** Route progress synced with Apple Health, Catalog of real-world races and challenges, Daily streaks and activity summaries, Lock Screen widget for progress, Shoe mileage tracking, Milestone notifications

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trailhead Pass | $9.99 | one-time |


## Frequently asked questions

### Is REM Sleep Tracker free?

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

### Is Trekka free?

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

### Do REM Sleep Tracker or Trekka have ads?

Neither REM Sleep Tracker nor Trekka shows ads.

### Which is updated more often, REM Sleep Tracker or Trekka?

REM Sleep Tracker ships an update every 2 weeks, and Trekka every 9 days. Most recently, REM Sleep Tracker was updated on October 8, 2026 and Trekka on October 7, 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.*