Comparison

sleep² sleeptracker & analysis vs GlassNote

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

GlassNote

Features
Read full description

Glassnote is your smart hydration and night-out companion. Track water, caffeine, alcohol, and recovery in one simple app designed to help you stay aware of how your drinks affect your body throughout the day and night. Glassnote helps you build better hydration habits with daily goals, quick drink logging, custom drinks, smart reminders, and clear progress tracking. Whether you are drinking water, coffee, soda, electrolytes, or alcohol, Glassnote turns your entries into practical insights you can actually use. Features: - Track daily hydration progress - Log water, coffee, alcohol, soda, electrolytes, and custom drinks - See estimated caffeine levels - View estimated BAC and sober-time guidance - Use Night Out Mode to log drinks quickly - Get recovery and sleep-readiness estimates - Save Night Out summaries with optional photos - Add an emergency contact for quick safety actions - Connect with nearby friends during a Night Out - Use Apple Health integration for water intake - View hydration progress from widgets and Live Activities - Unlock premium features with a one-time upgrade Night Out Mode Quickly log drinks, monitor estimated BAC, check estimated sober time, and keep safety tools close. Glassnote can help you stay aware, pace yourself, hydrate, and plan a safer way home. Built for everyday use From morning coffee to evening water goals to a weekend night out, Glassnote gives you a clean, practical view of what you drank and how it may affect hydration, caffeine, recovery, and sleep. Important Safety Note Glassnote provides estimates only. BAC, caffeine, sleep readiness, recovery, and sober-time information may be inaccurate and should not be used as medical advice or to decide whether it is safe to drive. Always make safe choices, use trusted transportation, and seek help when needed.

Screenshots

sleep² sleeptracker & analysis4 screens
GlassNote4 screens

Verdict

The call

The clearest difference is update cadence: sleep² sleeptracker & analysis at every 2 weeks against GlassNote's every 2 months. sleep² sleeptracker & analysis also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.1). On price, 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 GlassNote 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, GlassNote every 2 months. The most recent releases landed on October 17, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 7 level
sleep² sleeptracker & analysis versus GlassNote: the parameters behind the verdict, then further details
Parametersleep² sleeptracker & analysisGlassNote
PriceFreeFree
Rating3.6 (37 ratings) — better—
Positive reviews61.7% of reviews—
Number of ratings37 — better—
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.1
Further details — not scored
Size110 MB5 MB
Age rating4+17+
DeveloperNukkuaaJozsef Kovacs

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

GlassNote

One-time1
  • Glassnote Premium$2.99

Questions

Is sleep² sleeptracker & analysis free?
sleep² sleeptracker & analysis is free to download, with in-app purchases available.
Is GlassNote free?
GlassNote is free to download, with in-app purchases available.
Do sleep² sleeptracker & analysis or GlassNote have ads?
Neither sleep² sleeptracker & analysis nor GlassNote shows ads.
Which is updated more often, sleep² sleeptracker & analysis or GlassNote?
sleep² sleeptracker & analysis ships an update every 2 weeks, and GlassNote every 2 months. Most recently, sleep² sleeptracker & analysis was updated on October 17, 2026 and GlassNote on October 1, 2026.

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