# Sleep Efficiency Tracker vs Coach CL

The clearest difference is update cadence: Sleep Efficiency Tracker at daily against Coach CL's every 9 days. On price, ads, 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 Efficiency Tracker ships an update daily, Coach CL every 9 days. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Sleep Efficiency Tracker | Coach CL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sleep-efficiency-tracker/id6736605891/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 9 days |
| Monetization | Free | — |
| Size | 19 MB | 98 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sebastian Smith](https://appshunter.io/developer/1674883761) | [Curl International Fitness Training S.L](https://appshunter.io/developer/1802843516) |

## What reviewers say

### Sleep Efficiency Tracker

[App page](https://appshunter.io/ios/app/sleep-efficiency-tracker/id6736605891)

Improve sleep quality and combat insomnia using CBT-I principles. This tool helps track and optimize sleep patterns by calculating a sleep efficiency score for better rest.

**Highlights:** Track sleep patterns, Calculate sleep efficiency score, Combat insomnia, Based on CBT-I principles, Improve sleep quality, Gain insights for better rest

**Features:** macOS Compatibility

**In-app purchases:** none


### Coach CL

[App page](https://appshunter.io/ios/app/coach-cl/id6743436985)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Efficiency Tracker free?

Sleep Efficiency Tracker is free to download, with no in-app purchases.

### Is Coach CL free?

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

### Do Sleep Efficiency Tracker or Coach CL have ads?

Neither Sleep Efficiency Tracker nor Coach CL shows ads.

### Which is updated more often, Sleep Efficiency Tracker or Coach CL?

Sleep Efficiency Tracker ships an update daily, and Coach CL every 9 days. Most recently, Sleep Efficiency Tracker was updated on October 6, 2026 and Coach CL on September 30, 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.*