Meditation Timer Meiso
Sleep, Anxiety, Stress & HRV
Free · Designed for iPhone. Not verified for macOS.
Scientifically measure meditation benefits with HRV analysis. Apple Watch & BLE sensor support. 5 languages. 100% free, no ads.
Start your meditation journey with the world's simplest meditation timer.
Completely free with no ads.
NEW IN V3: HRV HEART RATE VARIABILITY ANALYSIS
- Measure HRV in real-time during meditation
- SDNN, RMSSD, and LF/HF ratio for autonomic balance
- Compatible with Apple Watch and BLE heart rate sensors (Polar H10)
- Visualize changes before and after meditation
- Experience meditation benefits backed by scientific data
TWO MEDITATION MODES
- Countdown: Set 1-60 minutes for structured sessions
- Count-up: Meditate freely without time limits
MEDITATION TRACKING
- GitHub-style contribution graph for 12 months of history
- Weekly bar charts for meditation time
- Streak counter to keep you motivated
ACHIEVEMENT SYSTEM
- Earn science-backed achievement badges
- Gamification to support your meditation habit
APPLE WATCH
- Use the meditation timer standalone on Apple Watch
- Measure HRV with Apple Watch heart rate sensor
- Auto-sync meditation history with iPhone
WIDGETS & LIVE ACTIVITIES
- Home screen widgets to view meditation stats
- Live Activities to track elapsed time during sessions
HEALTHKIT INTEGRATION
- Automatically save sessions as Mindful Minutes
CUSTOMIZATION
- Sound & vibration toggle
- Dark/Light mode
MULTILINGUAL
- Japanese, English, Chinese, Korean, and Spanish
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
v3.3.2 Update
- Optimized ASO metadata for better discoverability
- Refreshed subtitles & keywords for 5 languages
- Performance improvements
The developer, Masayuki Yamaji, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Health & Fitness
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Size
- 4.7 MB
- Category
- Medical
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later. - Apple Watch
Requires watchOS 10.0 or later.
- iPhone
- Languages
English and 4 more
- English, Japanese, Korean, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Provider
Masayuki Yamaji
- Masayuki Yamaji has not identified itself as a trader for this app. If you are a consumer in the European Economic Area, consumer rights do not apply to agreements between you and the provider.
- Copyright
- © Copyright 2017 Y.Masayuki All Rights Reserved