# sleep² sleeptracker & analysis vs Smart Journal

The clearest difference is in-app purchases: Smart Journal at none against sleep² sleeptracker & analysis's 4. Smart Journal also leads on update cadence (every 5 days vs every 2 weeks). sleep² sleeptracker & analysis's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. sleep² sleeptracker & analysis sells 4 in-app purchases, starting at $9.99 per month. Smart Journal asks for nothing beyond the download.

sleep² sleeptracker & analysis ships an update every 2 weeks, Smart Journal every 5 days. The most recent releases landed on September 24, 2026 and February 23, 2026 respectively.

## The numbers

| Metric | sleep² sleeptracker & analysis | Smart Journal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (34 ratings)](https://appshunter.io/ios/app/sleep-sleeptracker-and-analysis/id1629426238/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 56.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 79 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Nukkuaa](https://appshunter.io/developer/1629426240) | [Noah Juraj Soticek](https://appshunter.io/developer/1803576276) |

## 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 |


### Smart Journal

[App page](https://appshunter.io/ios/app/smart-journal/id6743620308)

**Features:** macOS Compatibility

**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 Smart Journal free?

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

### Do sleep² sleeptracker & analysis or Smart Journal have ads?

Smart Journal shows ads; sleep² sleeptracker & analysis does not.

### Which is updated more often, sleep² sleeptracker & analysis or Smart Journal?

sleep² sleeptracker & analysis ships an update every 2 weeks, and Smart Journal every 5 days. Most recently, sleep² sleeptracker & analysis was updated on September 24, 2026 and Smart Journal on February 23, 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.*