Comparison

Sleep Tracker vs Sleep Recorder

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

Head to head
About

Sleep Tracker

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Sleep Tracker - SLOX helps you monitor and improve your sleep habits with ease! FEATURES: • Start Sleep Timer — One-tap sleep tracking with a beautiful moon animation • Add Records — Manually log your bedtime, wake time, and sleep quality • Sleep History — View all your past sleep records at a glance • Weekly & Monthly Statistics — Track your average, best, and worst sleep hours • Sleep Quality Rating — Rate your sleep quality with emoji-based feedback • Sleep Duration Calculator — Automatically calculates total sleep hours • Dark Theme — Easy on your eyes at bedtime • 15 Languages Supported — English, Korean, Japanese, Chinese, Spanish, French, German, Portuguese, Italian, Russian, Arabic, Hindi, Thai, Vietnamese, Indonesian Build better sleep habits and wake up refreshed every day! Made by SLOX

About

Sleep Recorder

This app records nighttime sounds to help you understand your sleep patterns. It detects snoring, sleep talking, and other noises, providing a detailed morning report with a sleep score. All processing happens on your device for enhanced privacy.

Highlights
  • Nighttime sound recording
  • Snoring and sleep talking detection
  • Detailed morning sleep report
  • On-device AI sound classification
  • Adjustable recording sensitivity
  • Sleep history and trends
  • Exportable sleep reports
Features
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Ever wondered if you snore? What you say in your sleep? Sleep Recorder listens all night and gives you a detailed morning report — including your personal Sleep Score. Wake up every morning knowing exactly what happened: how often you snored, what you mumbled, and every unexpected sound. All processed on your device. No cloud. No subscription. Free forever. WHAT GETS DETECTED • Snoring — frequency, loudness, duration • Sleep talking — full audio clips saved for playback • Coughing, breathing changes, nighttime noise • Funny moments too (yes, even farts — with a stats counter) SMART AI SOUND DETECTION • On-device machine learning (YAMNet) classifies sounds in real time • Records only meaningful moments to save storage • Adjustable sensitivity (Low / Medium / High) • Normal & High quality recording modes • Real-time waveform visualization MORNING SLEEP REPORT • Sleep Score (0–100) based on your sound profile • Interactive timeline of every detected event • Listen back to any clip with one tap • Share report with your partner or doctor (PDF & CSV export) SLEEP HISTORY & TRENDS • Weekly and monthly charts • See if your snoring is improving or getting worse • Compare nights side by side • Personal insights based on your data DESIGNED FOR NIGHTTIME • Pure OLED-friendly dark theme • Background recording with screen off • Low battery consumption • Bedtime reminder & alarm integration PRIVACY FIRST — DATA STAYS ON YOUR DEVICE • All audio processing happens on your iPhone • No recordings are ever uploaded to any server • No account required • You stay in full control HOW IT WORKS (3 STEPS) 1. Tap "Start Recording" before bed 2. Place your iPhone next to your pillow (charger plugged in recommended) 3. In the morning, review your Sleep Score, timeline, and audio clips WHY SLEEP RECORDER • 100% free — no paywalls on core features • On-device AI — no cloud, no data sharing • Export sleep reports for your doctor • Designed for people curious about snoring, sleep talking, and overall sleep quality • Works offline AVAILABLE IN 10 LANGUAGES English, Turkish, Japanese, Korean, German, French, Spanish, Portuguese, Chinese, Arabic. Note: Sleep Recorder is a wellness & curiosity tool, not a medical device. It does not diagnose sleep apnea or any medical condition. If you have a serious concern about your sleep, please consult a qualified medical professional. Download Sleep Recorder now and discover what happens while you sleep.

Screenshots

Sleep Recorder4 screens

Verdict

The call

The clearest difference is device support: Sleep Recorder at 3 against Sleep Tracker's —. On price, in-app purchases and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
Sleep Tracker versus Sleep Recorder: the parameters behind the verdict, then further details
ParameterSleep TrackerSleep Recorder
PriceFreeFree
Rating—4.7 (50 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—50 — better
Update frequency—Weekly
Ads—Yes
In-app purchasesNoNo
Monetization—Ad-supported
Devices—iPhone, iPad, iPod — better
Requires iOS13.013.0
Further details — not scored
Size23 MB106 MB
Age rating4+4+
DeveloperSEOKWON YANGKerim Sener

In-app purchases

None

Sleep Tracker

No in-app purchases

None

Sleep Recorder

No in-app purchases

Questions

Is Sleep Tracker free?
Sleep Tracker is free to download, with no in-app purchases.
Is Sleep Recorder free?
Sleep Recorder is free to download, with no in-app purchases.

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