Comparison

sleep² sleeptracker & analysis vs aiLigner

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

sleep² sleeptracker & analysis

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
Read full description

Discover Sleep Anew: sleep² - Your Sleep Tracker sleep² is your personal guide to better sleep. It combines innovative sleep training with a precise sleep tracker. Sleep trackers provide valuable insights into your sleep. The sleep² Intensive Program is an EU-approved medical device, specifically designed for people with acute sleep disorders like insomnia. Our scientifically based method has already helped thousands improve their sleep quality through systematic and gradual sleep tracking and training. sleep² Pro: Based on sleep analysis, the program adapts to individual sleep data, delivering precise recommendations from your sleep tracker. Sleep Tracker: Analyze sleep using a Polar sensor or import data via Apple Health. Manually enter sleep data into the sleep diary if no tracker is used. Based on the sleep data, you get: Detailed recommendations based on sleep analysis Sleep training for better sleep An interactive chat-bot to help you sleep better Sleep analyses always available—no waiting like in sleep labs Precise sleep analysis through innovative algorithms for sleep improvement Free download & basic functions Full features of sleep² (precise sleep analysis, personalized programs) with subscription purchase Download sleep² - Our sleep tracker and precise sleep analysis help improve sleep! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

aiLigner

This app uses AI and photos to analyze your body shape and posture, providing personalized recommendations for optimal sleep ergonomics. Improve sleep quality, reduce tension, and wake up refreshed to enhance your daily energy and well-being.

Highlights
  • AI-powered body shape and posture detection
  • Personalized sleep ergonomics recommendations
  • Analysis for tension and restlessness reduction
  • Promotes refreshed mornings and increased energy
  • Focuses on healthy, energetic living
Read full description

Sleep better, live better! With aiLigner, your personal sleep assistant, you get more out of your bed and your sleep and lay the foundation to start each new day as refreshed as possible. Whether it's for your job, your sports programme or the most important time with your family, sleep is the foundation for a healthy, energetic life. Imagine starting each day with renewed energy and clarity. No tension, no tiredness. This is not a dream, but can become reality with the ideal sleep ergonomics. aiLigner is a world first that uses photos to detect body shape and posture type and uses innovative AI technology to give you recommendations for anatomically optimal sleep ergonomics in bed. With aiLigner, you say goodbye to tension, restlessness and poor sleep. The first step to better sleep and relaxation is to download our app . It's simple, easy and free. Once you've installed the app, you can immediately start analysing and optimising your sleep. Experience the benefits of a good night's sleep and start your adventure to better sleep today. For your health and well-being. Experience the positive impact of improved sleep on your day. What are you waiting for? Download the aiLigner app now and start your journey to restful nights and energetic days. Made In Munich For Everyone.

Screenshots

sleep² sleeptracker & analysis4 screens
aiLigner4 screens

Verdict

The call

The clearest difference is in-app purchases: aiLigner at none against sleep² sleeptracker & analysis's 4. aiLigner also leads on review sentiment (86% vs 57%) and iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

sleep² sleeptracker & analysis ships an update every 2 weeks, aiLigner fortnightly. The most recent releases landed on September 29, 2026 and June 1, 2026 respectively.

Scorecard4 real differences · 6 level
sleep² sleeptracker & analysis versus aiLigner: the parameters behind the verdict, then further details
Parametersleep² sleeptracker & analysisaiLigner
PriceFreeFree
Rating3.4 (34 ratings) — better—
Positive reviews56.6% of reviews85.7% of reviews — better
Number of ratings34 — better—
Update frequencyEvery 2 weeksFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size107 MB78 MB
Age rating4+4+
DeveloperNukkuaaThird of Life GmbH

Customer experience

sleep² sleeptracker & analysis

All ratings34 ratings
Positive52.9%
Neutral8.8%
Negative38.2%
Written reviews53 reviews
Positive56.6%
Neutral7.5%
Negative35.8%

aiLigner

Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

In-app purchases

4 purchases

sleep² sleeptracker & analysis

Subscriptions2
  • sleep² PRO$9.991 Month
  • sleep² PRO$79.991 Year
One-time2
  • sleep² intensive program$39.99
  • sleep² intensive program$99.99
None

aiLigner

No in-app purchases

Questions

Is sleep² sleeptracker & analysis free?
sleep² sleeptracker & analysis is free to download, with in-app purchases available.
Is aiLigner free?
aiLigner is free to download, with no in-app purchases.
Do sleep² sleeptracker & analysis or aiLigner have ads?
Neither sleep² sleeptracker & analysis nor aiLigner shows ads.
Which is updated more often, sleep² sleeptracker & analysis or aiLigner?
sleep² sleeptracker & analysis ships an update every 2 weeks, and aiLigner fortnightly. Most recently, sleep² sleeptracker & analysis was updated on September 29, 2026 and aiLigner on June 1, 2026.

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