# sleep² sleeptracker & analysis vs ALFA Memory Tracker

The clearest difference is in-app purchases: ALFA Memory Tracker at none against sleep² sleeptracker & analysis's 4. ALFA Memory Tracker also leads on update cadence (every 5 days vs every 2 weeks). On price, ads, 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. ALFA Memory Tracker asks for nothing beyond the download.

sleep² sleeptracker & analysis ships an update every 2 weeks, ALFA Memory Tracker every 5 days. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | sleep² sleeptracker & analysis | ALFA Memory Tracker |
| --- | --- | --- |
| Price | Free | Free |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 111 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nukkuaa](https://appshunter.io/developer/1629426240) | [H2 Cognitive Designs LTD](https://appshunter.io/developer/1658315146) |

## 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 |


### ALFA Memory Tracker

[App page](https://appshunter.io/ios/app/alfa-memory-tracker/id6804381733)

**Features:** Vision Pro support

**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 ALFA Memory Tracker free?

ALFA Memory Tracker is free to download, with no in-app purchases.

### Do sleep² sleeptracker & analysis or ALFA Memory Tracker have ads?

Neither sleep² sleeptracker & analysis nor ALFA Memory Tracker shows ads.

### Which is updated more often, sleep² sleeptracker & analysis or ALFA Memory Tracker?

sleep² sleeptracker & analysis ships an update every 2 weeks, and ALFA Memory Tracker every 5 days. Most recently, sleep² sleeptracker & analysis was updated on October 30, 2026 and ALFA Memory Tracker on October 29, 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.*