Comparison

SleepTrace vs Smoke Free

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

Head to head
About

SleepTrace

This app uses your iPhone's microphone to analyze sleep patterns and detect disturbances like snoring. It offers a smart alarm to wake you during lighter sleep phases and provides detailed statistics on your sleep quality.

Highlights
  • ML-powered sleep phase detection
  • Smart alarm for natural wake-ups
  • Snore and sound detection with audio clips
  • Detailed sleep statistics and trends
  • Customizable sleep schedule
  • Apple Health integration
  • Live Activity on Lock Screen
Features
Read full description

Do you wake up tired in the morning — even though you slept enough? SleepTrace uses your iPhone's microphone to record audio all night and detect your sleep phases using Machine Learning. No wearable needed — just your iPhone next to the bed. SLEEP PHASE DETECTION (ML-POWERED) • Detects: Awake, Light Sleep (N1), Deep Sleep, REM • Based on audio analysis (Mel spectrograms + CoreML) • Classification every 30 seconds • Sleep phase timeline after every night SMART ALARM • Set a wake-up window (e.g. 6:30–7:00) • SleepTrace wakes you in the lightest sleep phase • Result: Wake up naturally, less groggy • Choose from different alarm sounds SOUND DETECTION • Detects loud events: snoring, coughing, talking, ambient noise • Saves short audio clips with labels • Listen in the morning to what happened at night • Decibel measurement included STATISTICS & TRENDS • Calendar overview of all nights • Sleep phase chart per night • Details: sleep duration, time to fall asleep, wake-up time • Trends over weeks and months • Session details with sound clips SLEEP SCHEDULE • Weekly sleep schedule (Mon–Sun) • Individual sleep and wake times per day • Alarm syncs automatically with your schedule LIVE ACTIVITY • Shows on Lock Screen & Dynamic Island: tracking duration, detected clips, alarm time APPLE HEALTH INTEGRATION • Writes sleep data to Apple Health • Reads health data (optional) STREAK SYSTEM • Motivates daily tracking • Streak card shows consecutive nights • Milestone notifications (3, 7, 14, 30, 60, 100 days) PREMIUM • Monthly and yearly subscription • Premium features including cloud backup of audio clips Understand and improve your sleep — with just your iPhone. Terms of Use (EULA): https://sleeptrace.app/legal/terms-of-use/

About

Smoke Free

Features
Read full description

Quit! is a private, on-device tracker for quitting alcohol, drugs, porn, or anything else you're ready to leave behind — built with no account, no server, and no ads. WHAT YOU GET • A live streak counter for every habit you're quitting, with a milestone ladder from your first day to a full year • A 20-minute urge timer with breathing, your own reasons, and proof you've beaten it before — reachable from a widget, the Lock Screen, Control Center, or your Action Button • Smart nudges before the hour you're usually most at risk, learned from your own logged urges • A daily pledge and evening review to keep you honest with yourself • Letters to your future self, sealed until you reach the milestone you wrote them for • A savings tracker that turns every day sober into money (or time, or anything else) kept • A calendar, a workbook, and short daily readings across eight different voices — stoic, gentle, or no-nonsense, your choice BUILT DIFFERENTLY Quit! keeps everything on your phone. There's no account to create, no profile, and no community feed — what you write about your own recovery is never seen by anyone but you. Add Face ID lock in Settings for another layer of privacy. Quit! offers auto-renewing subscriptions: • Monthly — $7.99/month • Yearly — $19.99/year (includes a 7-day free trial for new subscribers) • Lifetime — $24.99 one-time, no renewal Every plan unlocks the same, complete app. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period, and your account will be charged for renewal within 24 hours prior to the end of the current period. Manage or cancel any time in Settings on your device. Terms of Use (EULA): https://quit-legal.pages.dev/#terms Privacy Policy: https://quit-legal.pages.dev/#privacy Quit! is a self-tracking tool, not a medical device, and doesn't provide medical advice or treatment.

Screenshots

SleepTrace4 screens
Smoke Free4 screens

Verdict

The call

The clearest difference is iOS requirement: Smoke Free at 18.0 against SleepTrace's 26.0. 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. SleepTrace sells 2 in-app purchases, starting at $6.99 per month and Smoke Free sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

Scorecard1 real difference · 8 level
SleepTrace versus Smoke Free: the parameters behind the verdict, then further details
ParameterSleepTraceSmoke Free
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone
Requires iOS26.018.0 — better
Further details — not scored
Size204 MB12 MB
Age rating17+17+
DeveloperJan KohlhaasSnir Tam

In-app purchases

2 purchases

SleepTrace

Subscriptions2
  • SleepTrace Premium (Monthly)7 Days trial$6.991 Month
  • SleepTrace Premium (Annual)7 Days trial$39.991 Year
3 purchases

Smoke Free

Subscriptions2
  • Monthly$7.991 Month
  • Yearly7 Days trial$19.991 Year
One-time1
  • Lifetime$24.99

Questions

Is SleepTrace free?
SleepTrace is free to download, with in-app purchases available.
Is Smoke Free free?
Smoke Free is free to download, with in-app purchases available.
Do SleepTrace or Smoke Free have ads?
Neither SleepTrace nor Smoke Free shows ads.
Which is updated more often, SleepTrace or Smoke Free?
SleepTrace ships an update monthly, and Smoke Free monthly. Most recently, SleepTrace was updated on October 31, 2026 and Smoke Free on November 6, 2026.

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