Comparison

sleep² sleeptracker & analysis vs WeightTracker

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

WeightTracker

Features
Read full description

WeightTracker makes it easy to not only track your weight, but also to set goals, see statistics, and more. Featuring an Apple Watch app, home and lock screen widgets, Shortcuts capability, Control Centre widgets, and more, WeightTracker is your one stop-shop for staying on top of your weight. Set your goal, and start tracking today. With WeightTracker you can set up your goals how you like them - whether you are trying to lose weight, gain weight, or just maintain a consistent level. You can also easily check your BMI, and track it over time as well. WeightTracker connects to Apple Health, and can read your weight entries from other apps, and can write to Apple Health as well. You can easily export your weight logs and goal data in CSV format, or to a PDF in the form of reports, showing your monthly, or all-time statistics. The basic version of WeightTracker is free to use, including goals and reports. Upgrading to WeightTracker Pro is a simple, one-off purchase, which allows the following: - Access to the Trends screen, allowing you to delve into your data even more - Custom Weight Change Indicator Colours - Tab Bar Customisation - Custom App Icons Please contact Support@LifeTracker.Studio with any concerns, bugs, issues, or suggestions, or visit LifeTracker.Studio for more information on WeightTracker or any of our other apps. Happy Tracking!

Screenshots

sleep² sleeptracker & analysis4 screens
WeightTracker4 screens

Verdict

The call

The clearest difference is iOS requirement: sleep² sleeptracker & analysis at 15.0 against WeightTracker's 18.6. On price, update cadence, ads and in-app purchases 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 and WeightTracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

sleep² sleeptracker & analysis ships an update every 2 weeks, WeightTracker every 3 weeks. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 9 level
sleep² sleeptracker & analysis versus WeightTracker: the parameters behind the verdict, then further details
Parametersleep² sleeptracker & analysisWeightTracker
PriceFreeFree
Rating3.6 (37 ratings) — better—
Positive reviews61.7% of reviews—
Number of ratings37 — better—
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS15.0 — better18.6
Further details — not scored
Size110 MB24 MB
Age rating4+4+
DeveloperNukkuaaEthan Milton Wilde

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
1 purchases

WeightTracker

One-time1
  • WeightTracker Pro$0.99

Questions

Is sleep² sleeptracker & analysis free?
sleep² sleeptracker & analysis is free to download, with in-app purchases available.
Is WeightTracker free?
WeightTracker is free to download, with in-app purchases available.
Do sleep² sleeptracker & analysis or WeightTracker have ads?
Neither sleep² sleeptracker & analysis nor WeightTracker shows ads.
Which is updated more often, sleep² sleeptracker & analysis or WeightTracker?
sleep² sleeptracker & analysis ships an update every 2 weeks, and WeightTracker every 3 weeks. Most recently, sleep² sleeptracker & analysis was updated on October 13, 2026 and WeightTracker on October 10, 2026.

Other comparisons