Time vs SleepRing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time
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Free on Apple Watch: ▪ Heart rate and motion monitoring for DREAM and LIGHT SLEEP wake-up modes. ▪ HealthKit-personalized sleep detection for smart wake-up timing. ▪ Dream audio notes to support recall and lucid dreaming awareness. Subscription on iPhone and iPad: ▪ Reality check notifications to train awareness and support lucid dreaming habits. ▪ Dream journal with text and audio. ▪ Track focus sessions with daily history. ▪ Capture task notes with text and audio recordings. ▪ Follow timer progress in real time with Live Activity and Dynamic Island. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SleepRing
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Track your sleep with Apple Watch — no buttons, just sleep. SleepRing turns the data your Apple Watch records in the Health app into a clear, beautiful analysis of your night. Sleep wearing your Watch, wake up and see everything in easy-to-read rings. SLEEP RINGS • Night duration vs. your goal • Quality score (0–100) built from duration, efficiency, restorative sleep and awakenings • Deep sleep and efficiency at a glance NIGHT STAGES • Full timeline: deep, core, REM and awake • Duration and share of each stage • Bed and wake times, time awake and number of awakenings SLEEP VITALS • Average and minimum heart rate (BPM) • SpO2 (blood oxygen) • Heart rate variability (HRV) • Respiratory rate SLEEP BANK • Sleep credit or debt over the last 7 nights • Know how much sleep you "owe" and catch up FULL HISTORY • Chart of your last 30 nights • Every night listed with score and duration • Averages and records ON APPLE WATCH • Last night's summary on your wrist: ring, stages and efficiency AND MORE • Bedtime reminder • Customizable sleep goal (5h to 12h) • Dark mode through and through REAL PRIVACY Everything is processed on your device. SleepRing has no account, no ads and collects no data at all. Your health information stays in the Health app, under your control. REQUIREMENTS To record sleep automatically, wear an Apple Watch with sleep tracking enabled. SleepRing reads data from the Health app (read-only). SleepRing is for informational and wellness purposes; it is not a medical device.
Screenshots
Verdict
The clearest difference is in-app purchases: SleepRing at none against Time's 1. SleepRing also leads on iOS requirement (17.0 vs 26.2). On price, ads 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
Both are free to download. Time sells 1 in-app purchase, starting at $2.00 per month. SleepRing asks for nothing beyond the download.
| Parameter | Time | SleepRing |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 26.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrii Ponomarov | Devskin Desenvolvimento de Softwares ltda |
In-app purchases
Time
- Subscribe7 Days trial$2.001 Month
SleepRing
No in-app purchases









