Eight Sleep vs Stretch Affect Training
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Eight Sleep
This intelligent sleep system actively manages your sleep environment by adjusting temperature and elevation. It tracks detailed sleep metrics and provides personalized insights to help you wake up feeling refreshed. The system supports individual sleep profiles for multiple users.
- Personalized temperature control
- Automatic elevation adjustments
- Sleep stage tracking
- Heart rate and HRV monitoring
- Snoring detection
- Gentle wake-up alarms
- Dual sleep profiles
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Introducing Pod 6. The setup is as effortless as your sleep. Guided Hub setup gets you paired in minutes, a live priming screen decodes your Pod's lights in real time so you're never guessing, and Solo Pod owners get a path built just for them. Your best sleep starts tonight. The Eight Sleep Pod is the intelligent sleep system that gives you up to one hour more of sleep every night. It cools. It heats. It elevates. PERSONALIZED SLEEP WITH AUTOPILOT Autopilot is the intelligence behind the Pod. It adjusts your temperature and elevation to perfect your sleep experience. LEARN ABOUT YOUR SLEEP AND HEALTH View your sleep stages, time slept, heart rate, HRV, and snoring. Plus, receive personalized insights and recommendations. WAKE UP REFRESHED With customizable chest-level vibration and a gradual thermal change, you will wake up gently and feel fully refreshed. TWO SLEEP PROFILES PER POD Autopilot creates a profile for up to two individuals on the same Pod and refines overtime. Have questions? We’re here to help. Email us at support@eightsleep.com. Terms of Use: - www.eightsleep.com/app-terms-conditions/ - www.apple.com/legal/internet-services/itunes/dev/stdeula/
Stretch Affect Training
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Clinical-Grade Training, Simplified. Stretch Affect delivers premium rehab & performance programming - tailored plans, clinical assessments, real-time progress tracking, all led by expert coaches.
Screenshots
Verdict
The clearest difference is in-app purchases: Stretch Affect Training at none against Eight Sleep's 4. Stretch Affect Training also leads on device support (4 vs 2) and iOS requirement (15.1 vs 17.0). Eight Sleep's advantage is update cadence (every 3 days vs weekly). 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. Eight Sleep sells 4 in-app purchases, starting at $10.00 per month. Stretch Affect Training asks for nothing beyond the download.
Eight Sleep ships an update every 3 days, Stretch Affect Training weekly. The most recent releases landed on October 17, 2026 and September 25, 2026 respectively.
| Parameter | Eight Sleep | Stretch Affect Training |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (17K ratings) — better | — |
| Positive reviews | 28.0% of reviews | — |
| Number of ratings | 17K — better | — |
| Update frequency | Every 3 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 245 MB | 82 MB |
| Age rating | 12+ | 12+ |
| Developer | Eight Sleep, Inc | Stretch Affect LLC |
Bugs and requests
Eight Sleep
Reported bugs
5 issues- App freezes and loses connection to pod
- Alarms not working or turning off properly
- Temperature settings not saving or resetting
- Sleep data not syncing or displaying accurately
- Frequent app crashes and performance issues
Requested features
5 requests- Apple Watch app integration
- Offline temperature/alarm controls
- Customizable sleep tracking and insights
- Improved alarm snooze/dismiss functionality
- Nap mode and more sleep schedule flexibility
Stretch Affect Training
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Eight Sleep
- 8+ Standard (Monthly)$10.001 Month
- 8+ Pro (Monthly)$18.991 Month
- 8+ Standard (Annual)$96.001 Year
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- 8+ Pro (Annual)$179.991 Year
Stretch Affect Training
No in-app purchases
Questions
Is Eight Sleep free?
Is Stretch Affect Training free?
Do Eight Sleep or Stretch Affect Training have ads?
Which is updated more often, Eight Sleep or Stretch Affect Training?
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