SleepBytes vs Slumbr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SleepBytes
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SleepBytes application which controls SleepBytes smart mattress will allow you to: - Configure your smart mattress. - View your data in real time. - View your reports (daily, weekly and monthly). - Receive advices to improve your sleep.
Slumbr
This app analyzes your sleep data from Apple Health to provide detailed insights into your sleep patterns. It offers a daily Sleep Score, tracks sleep debt, and helps you understand metrics like sleep sufficiency, consistency, efficiency, and stress. Optimize your rest with advanced analysis and personalized recommendations.
- Advanced sleep stage analysis (Deep, REM, Core)
- Vital health metrics tracking (HRV, RHR, Respiratory Rate)
- Sleep debt tracker with actionable plans
- Sleep consistency tracker
- Smart bedtime calculator
- Long-term trends and insights (Pro)
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Your Apple Health already tracks how you slept, Slumbr helps you understand what it means and how to improve it. See your daily 0–100 Sleep Score and track sleep debt over time. Get a recommended bedtime and wind-down time based on your sleep goal, target wake time, and current debt, then set a Night Routine alarm to remind you when it’s time to wind down. No new wearable. No sleep journal. Just open Slumbr and understand the sleep data you already have in Apple Health. UNDERSTAND YOUR SLEEP • Daily Sleep Score (0–100): See how your night adds up across sleep sufficiency, consistency, efficiency, and sleep stress. • Sleep stages: Explore Awake, Core, REM, and Deep sleep in a clear overnight chart. Compare your stage mix with age-based reference ranges. • Overnight health metrics: Review heart rate, HRV, resting heart rate, and respiratory rate from Apple Health alongside your sleep report. • Sleep debt tracking: Follow how sleep debt changes over time and see your progress toward your sleep goal. • Morning sleep rating: Record whether your night felt Good, Okay, or Poor to add your own perspective to the data. BUILD A BEDTIME ROUTINE • Personalized bedtime calculator: Get a suggested bedtime and wind-down time based on your sleep goal, target wake time, time to fall asleep, and sleep debt. • Bedtime consistency and streaks: Track your schedule and build a streak by getting to bed near your target time. • Morning and Night Routine alarms: Set recurring alarms and use separate daily checklists to make your routines easier to follow. SEE YOUR SLEEP TRENDS With Slumbr Pro, explore recent patterns in your Sleep Score, sleep duration, stages, heart rate, HRV, resting heart rate, respiratory rate, bedtime, and wake-up time. HOW IT WORKS 1. Allow Slumbr to read the sleep and health data you choose in Apple Health. 2. Review your sleep report, with your score, stages, and overnight metrics in one place. 3. Use your bedtime and wind-down guidance to plan your next night. Slumbr uses the sleep and health records available in Apple Health. The metrics shown depend on the data your devices record and the permissions you grant. Download Slumbr to understand your sleep and make a practical plan for tonight. SUBSCRIPTION & LEGAL Slumbr is free to download. Slumbr Pro subscriptions are $5.99 monthly or $39.99 yearly in the U.S. Payment is charged to your Apple Account when you confirm the purchase. Subscriptions automatically renew unless canceled at least 24 hours before the current period ends. Renewal is charged within 24 hours before the period ends. Manage or cancel your subscription in your Apple Account settings. Prices may vary by region. Slumbr is for general wellness and is not a medical device. It does not diagnose or treat conditions. Consult a healthcare professional about health concerns. Do not change medication based on app data. Support: https://www.slumbr.me/faq Privacy Policy: https://www.slumbr.me/privacy Terms of Service: https://www.slumbr.me/terms Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: SleepBytes at none against Slumbr's 2. SleepBytes also leads on update cadence (every 3 months vs every 13 months) and device support (3 vs 1). On price and ads 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
Both are free to download. Slumbr sells 2 in-app purchases, starting at $5.99 per month. SleepBytes asks for nothing beyond the download.
SleepBytes ships an update every 3 months, Slumbr every 13 months. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.
| Parameter | SleepBytes | Slumbr |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 months — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 66 MB | 25 MB |
| Age rating | 4+ | 12+ |
| Developer | SiliconeSignal Technologies | Kazi Hossain |
In-app purchases
SleepBytes
No in-app purchases
Slumbr
- Slumbr Pro Monthly7 Days trial$5.991 Month
- Slumbr Pro Yearly7 Days trial$39.991 Year









