Comparison

Sleep Ledger vs Appjaro

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

Head to head
About

Sleep Ledger

This app analyzes your sleep data from Apple Health to calculate your sleep debt and provides a personalized daily plan to help you recover. It offers insights into sleep quality and a clear path to reaching your sleep goals.

Highlights
  • Sleep debt calculation
  • Personalized recovery plan
  • Quality-weighted sleep score
  • Calendar-based schedule
  • Lock screen widgets
  • On-device processing
  • Siri Shortcuts
Features
Read full description

Are you running on a sleep deficit? Sleep Ledger reads your Apple Health sleep data to calculate how much sleep you owe your body — and builds a personalized, day-by-day recovery plan to help you pay it back. WHAT MAKES SLEEP LEDGER DIFFERENT Unlike sleep apps that drown you in data, Sleep Ledger gives you two things: a number (your sleep debt) and a plan (when to go to bed tonight). - Quality-Weighted Debt Score Not just hours — Sleep Ledger uses Apple Watch sleep stage data (Deep, REM, Core) to calculate how effective your sleep really was. Six hours of deep, restorative sleep counts differently than eight hours of restless tossing. - Calendar Recovery Plan See exactly when you'll be debt-free. Sleep Ledger generates a day-by-day schedule with recommended bedtimes, adjustable for late nights and per-weekday wake times. - Lock Screen, Home Screen & Apple Watch Complications Your debt balance and tonight's bedtime — always one glance away on your lock screen, home screen, or watch face, without opening the app. - Private by Design, On-Device Processing No account creation. No analytics SDKs. No advertising code. No third-party trackers. Your sleep, heart rate, and HRV data is processed entirely on your device. The only network request happens when you send us feedback from Settings → Contact, and the diagnostic details are shown before you send them. HOW IT WORKS 1. Download and grant read access to Apple Health sleep data. 2. Sleep Ledger analyzes your past 14 days of sleep history. 3. See your current sleep debt balance instantly. 4. Follow your personalized recovery plan to reach zero debt. FEATURES Free: - Sleep debt calculation (14-day rolling window) - Recommended bedtime based on your wake time and current debt - Manual sleep entry (add, edit, delete nights) - Lock Screen widgets (debt balance & recovery gauge) - Home Screen widget, Small (debt balance + days to zero) - Apple Watch complications (circular gauge, rectangular, corner) - Bedtime reminder and morning summary notifications - Siri Shortcuts (check debt, get bedtime, last night summary) - Works with or without Apple Watch - English, Japanese, German, French, Korean, and Spanish Premium: - 3-month, 6-month and 1-year trend charts - Day-by-day recovery plan with target zero-debt date - Quality-weighted debt score (sleep stages + HRV) - Sleep stage breakdown (Deep / Core / REM) - Home Screen widget, Medium (debt · last night · bedtime) - Workouts & Sleep — workout timing vs. your sleep (optional permission) - CSV data export (date, duration, stages, HR/HRV) ABOUT SLEEP DEBT Sleep debt is the gap between the sleep your body needs and the sleep you actually get. Research shows that accumulated sleep debt affects energy, mood, focus, and long-term health. The good news: you can pay it back. PRICING Sleep Ledger is free to download. Core features — today's debt balance, tonight's bedtime recommendation, manual sleep entry, Lock Screen widgets, Apple Watch complications, and Small Home Screen widget — are always free. Premium unlocks the full recovery plan, sleep trend history, quality-weighted scoring, sleep stage breakdown, Home Screen Medium widget, and CSV data export. Annual plan includes a 2-week free trial. A 3-month plan is offered to returning users. PRIVACY Sleep Ledger contains zero analytics SDKs, zero advertising code, and zero third-party trackers. Your sleep, heart rate, and HRV data is processed entirely on your device — it never leaves your iPhone. The only network request is triggered when you tap Settings → Contact to send feedback, and the full diagnostic payload (iOS version, device model, app version, HealthKit fetch status, Premium status) is visible in the form before you send it. We believe your health data belongs to you and only you. Note: Sleep Ledger is a general wellness app. It is not a medical device and is not intended to diagnose, treat, or prevent any disease. Consult a healthcare professional for medical concerns.

About

Appjaro

Features
Read full description

AppJaro est une application de suivi bien-être pensée pour les personnes en parcours de perte de poids, avec ou sans traitement GLP-1. L’objectif : t’aider à suivre ton quotidien de façon claire, douce et sans culpabilité, sans réduire ton parcours à un simple chiffre sur la balance. Avec AppJaro, tu peux suivre au même endroit : • ton poids et tes mensurations • ton alimentation et tes apports nutritionnels • ton hydratation • ton sommeil • ton humeur • tes effets secondaires • tes règles • tes injections GLP-1 si tu es concerné(e) • tes notes personnelles • ton activité physique • tes recettes et idées de repas AppJaro permet aussi de visualiser ton évolution dans le temps, de garder une trace de tes ressentis et de mieux préparer tes rendez-vous ou bilans personnels. AppJaro ne remplace pas un professionnel de santé. L’application ne fournit pas de diagnostic, de prescription ni de conseil médical personnalisé. En cas de doute, de symptôme inhabituel ou de question sur ton traitement, consulte toujours un médecin, un pharmacien ou un professionnel de santé qualifié. . . . . . Politique de confidentialité : https://www.appjaro.com/politique-de-confidentialite Conditions générales d’utilisation : https://www.appjaro.com/cgu Conditions générales de vente : https://www.appjaro.com/cgv

Screenshots

Sleep Ledger4 screens
Appjaro3 screens

Verdict

The call

The clearest difference is update cadence: Sleep Ledger at every 9 days against Appjaro's every 2 months. Appjaro's advantage is iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases 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. Sleep Ledger sells 4 in-app purchases, starting at $4.99 per month and Appjaro sells 2 in-app purchases, starting at $3.00 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sleep Ledger ships an update every 9 days, Appjaro every 2 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
Sleep Ledger versus Appjaro: the parameters behind the verdict, then further details
ParameterSleep LedgerAppjaro
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 9 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS18.016.4 — better
Further details — not scored
Size8 MB66 MB
Age rating12+4+
DeveloperTakumi KanzakiCellya Sirot

In-app purchases

4 purchases

Sleep Ledger

Subscriptions3
  • Monthly$4.991 Month
  • SleepLegder Premium (3Months)$11.993 Months
  • Annual14 Days trial$29.991 Year
One-time1
  • Lifetime$79.99
2 purchases

Appjaro

Subscriptions2
  • AppJaro Premium Mensuel$3.001 Month
  • Appjaro Premium Annuel$25.001 Year

Questions

Is Sleep Ledger free?
Sleep Ledger is free to download, with in-app purchases available.
Is Appjaro free?
Appjaro is free to download, with in-app purchases available.
Do Sleep Ledger or Appjaro have ads?
Neither Sleep Ledger nor Appjaro shows ads.
Which is updated more often, Sleep Ledger or Appjaro?
Sleep Ledger ships an update every 9 days, and Appjaro every 2 months. Most recently, Sleep Ledger was updated on October 28, 2026 and Appjaro on October 25, 2026.

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