OyasumiCho
HARVEST LAB Health & Fitness iPhoneiPadiPod touch
OyasumiCho is a free Health & Fitness app for iPhone and iPad by HARVEST LAB. Requires iOS 15.1. Updated July 9, 2026.
- Price
- Free
- on the App Store
- Size
- 251 MB
- Age 4+
- Updated
- Jul 9
- 2026 · v1.1.1
Screenshots
About OyasumiCho
Sleep gently with music, wake up refreshed. A sleep support app that belongs on your nightstand. WHO IT'S FOR - Those who want calming music to fall asleep - Parents who need lullabies or womb sounds for their baby - Anyone who wants café-style BGM for work or reading - Those who prefer waking up to gentle sounds - Anyone who wants to check the time at night without a bright screen SLEEP MUSIC (38 tracks, 6 categories) Café Jazz — Classy and calming Yoga & Relaxation — Breathe deeply in bed Synth & Chillout — Slow and quiet Ambient & Nature — Rain, fire and waves Deep Sleep — Drift off into space Baby & Lullaby — Gentle lullabies Each category includes a Mix (all tracks) and individual tracks. All music is created with commercially licensed audio. WORK BGM Use the Work BGM tab to loop your favorite sleep music as background music for daytime work or reading. ALARM SOUNDS (11 types) Classic alarm clock, digital alarm, bells & chimes, phone ringtones, rooster, bird calls, and forest cicadas. Preview any sound before selecting. SLEEP MODE Tap "Good Night" to dim the screen and start your music. - Music auto-stops after your chosen duration (30/45/60/90/120 min) - Gentle 30-second fade-out at the end - Screen stays on at minimal brightness — check the time anytime - Tap to briefly restore brightness - 3 darkness levels: Dark, Very Dark, Pitch Black - Snooze countdown shows remaining time ALARM At your set time, your chosen alarm sound fades in over 15 seconds. - Full-screen Stop and Snooze buttons - Snooze intervals: 3 / 5 / 9 / 15 / 30 minutes - Optional volume escalation with each snooze VOLUME Set sleep and alarm volumes independently (20-100%). Both use fade-in/out so sounds are never jarring. LANGUAGE Switch between Japanese and English anytime from the settings. PRIVACY No personal data is collected. All settings are stored locally on your device. Ads appear only in the Work BGM tab (Google AdMob, non-personalized). No ads during sleep mode or alarm. No in-app purchases.
What’s new
Version 1.1.1 · Updated July 9, 2026
This update refines the app description and search keywords. We'll continue improving the app for a better sleep and wake-up experience.
App privacy
The developer, HARVEST LAB, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Performance Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Performance Data
Used for: Third-Party Advertising, Analytics
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Diagnostics: Crash Data
Used for: Third-Party Advertising, App Functionality
Alternatives to OyasumiCho
Looking for apps like OyasumiCho? Here are 6 similar apps on the App Store. The highest rated is PureWake - Calm Alarm Clock (4.8/5), and all 6 are free to download.
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Circa: Natural Rhythm
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PureWake - Calm Alarm Clock
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Mysa: Sleep & Sounds App
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Femble: Period Tracker
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Mindfulness: Guided Meditation
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Ocean Waves - Sleep Sounds
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| OyasumiCho | – | Free | July 9, 2026 | |
| Circa: Natural Rhythm | – | Free | Sep 2, 2026 | Compare |
| PureWake - Calm Alarm Clock | 4.8 / 5 (4) | Free | Oct 21, 2026 | Compare |
| Mysa: Sleep & Sounds App | 4.6 / 5 (215) | Free | Mar 25, 2026 | Compare |
| Femble: Period Tracker | 4.7 / 5 (101) | Free | Oct 13, 2025 | Compare |
| Mindfulness: Guided Meditation | 4.7 / 5 (98) | Free | May 11, 2026 | Compare |
| Ocean Waves - Sleep Sounds | 4.7 / 5 (2,077) | Free | Sep 9, 2026 | Compare |
Compare OyasumiCho with the top alternatives: ratings, updates, ASO score and keyword gaps →