# CapnoTrainer vs Fullpower® Sleep

The clearest difference is update cadence: CapnoTrainer at every 3 weeks against Fullpower® Sleep's every 3 months. CapnoTrainer also leads on iOS requirement (13.0 vs 17.6). 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.

CapnoTrainer ships an update every 3 weeks, Fullpower® Sleep every 3 months. The most recent releases landed on September 10, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | CapnoTrainer | Fullpower® Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (30 ratings)](https://appshunter.io/ios/app/fullpower-sleep/id6479544236/reviews)** |
| Number of ratings | — | **30** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 54 MB | 93 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Arshad Khan](https://appshunter.io/developer/1617354083) | [Fullpower®](https://appshunter.io/developer/282995850) |

## What reviewers say

### CapnoTrainer

[App page](https://appshunter.io/ios/app/capnotrainer/id1617354081)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fullpower® Sleep

[App page](https://appshunter.io/ios/app/fullpower-sleep/id6479544236)

This app requires specific hardware and an invitation from your provider for sleep monitoring. It facilitates account setup, guides hardware installation, and automatically sends sleep data to your provider. Users can view real-time device status and historical sleep data, with an option to share with Apple Health.

**Highlights:** Provider-issued invitation required, Guided hardware setup, Automatic sleep monitoring, Real-time device status, Historical sleep data viewing, Apple Health integration

**In-app purchases:** none


## Frequently asked questions

### Is CapnoTrainer free?

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

### Is Fullpower® Sleep free?

Fullpower® Sleep is free to download, with no in-app purchases.

### Do CapnoTrainer or Fullpower® Sleep have ads?

Neither CapnoTrainer nor Fullpower® Sleep shows ads.

### Which is updated more often, CapnoTrainer or Fullpower® Sleep?

CapnoTrainer ships an update every 3 weeks, and Fullpower® Sleep every 3 months. Most recently, CapnoTrainer was updated on September 10, 2026 and Fullpower® Sleep on August 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*