# sleep² sleeptracker & analysis vs Combi Fit Track

The clearest difference is review sentiment: sleep² sleeptracker & analysis at 62% against Combi Fit Track's 0%. sleep² sleeptracker & analysis also leads on price (Free vs $4.99) and iOS requirement (15.0 vs 26.0). Combi Fit Track's advantage is in-app purchases (none vs 4). On update cadence, ads and device support there is nothing between them.

sleep² sleeptracker & analysis is free to download; Combi Fit Track costs $4.99 up front. sleep² sleeptracker & analysis sells 4 in-app purchases, starting at $9.99 per month. Combi Fit Track asks for nothing beyond the download.

sleep² sleeptracker & analysis ships an update every 2 weeks, Combi Fit Track fortnightly. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | sleep² sleeptracker & analysis | Combi Fit Track |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[3.6 (37 ratings)](https://appshunter.io/ios/app/sleep-sleeptracker-and-analysis/id1629426238/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | **61.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 110 MB | 6 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Nukkuaa](https://appshunter.io/developer/1629426240) | [Martynas Prascevicius](https://appshunter.io/developer/1816574561) |

## What reviewers say

### sleep² sleeptracker & analysis

[App page](https://appshunter.io/ios/app/sleep-sleeptracker-and-analysis/id1629426238)

This app acts as a personal guide to better sleep, combining innovative sleep training with precise sleep tracking and analysis. It offers an EU-approved medical device program for acute sleep disorders like insomnia, providing personalized recommendations and sleep training based on your data.

**Highlights:** Sleep tracking and analysis, Sleep training programs, Personalized recommendations, Interactive chatbot, Data import (Polar sensor, Apple Health), Manual sleep diary entry

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| sleep² PRO | $9.99 | per month |
| sleep² PRO | $79.99 | per year |
| sleep² intensive program | $39.99 | one-time |
| sleep² intensive program | $99.99 | one-time |


### Combi Fit Track

[App page](https://appshunter.io/ios/app/combi-fit-track/id6759876567)

Compare real-time heart rate data from multiple fitness devices simultaneously. Analyze workout recovery, track calories, and view giant heart rate displays for gym visibility. Offers workout history and export options.

**Highlights:** Real-time HR comparison from multiple devices, Fullscreen gym display, Cooldown countdown timer, Heart rate recovery analysis, Calorie tracking with multiple formulas, 30+ activity types, Workout history and JSON export

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is sleep² sleeptracker & analysis free?

sleep² sleeptracker & analysis is free to download, with in-app purchases available.

### Is Combi Fit Track free?

Combi Fit Track costs $4.99, with no in-app purchases.

### Do sleep² sleeptracker & analysis or Combi Fit Track have ads?

Neither sleep² sleeptracker & analysis nor Combi Fit Track shows ads.

### Which is updated more often, sleep² sleeptracker & analysis or Combi Fit Track?

sleep² sleeptracker & analysis ships an update every 2 weeks, and Combi Fit Track fortnightly. Most recently, sleep² sleeptracker & analysis was updated on October 25, 2026 and Combi Fit Track 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.*