ond
Yuta Totsuka Health & Fitness iPhoneiPadiPod touch
ond is a free Health & Fitness app for iPhone and iPad by Yuta Totsuka. Requires iOS 16.0. Updated October 9, 2026.
- Price
- Free
- on the App Store
- Size
- 12 MB
- Age 4+
- Updated
- Oct 9
- 2026 · v1.2.1
Screenshots
About ond
ond is a conditioning app that records the rhythms of your mind and body as “waves.” Observe your inner waves without judging them. ond helps you capture your rhythm through two connected waves: your mind and your body, so you can begin to notice the patterns that are uniquely yours. — Mind Wave Check in each day and record your condition on a 0–10 scale. With neutral 5.0 as the center, your ups and downs become a smooth, beautiful wave chart over time. ・ Quick recording with an intuitive drag slider ・ Wave charts for 7 days, 30 days, 90 days, and more ・ Automatic ABOVE and BELOW summaries and comparison ・ Tags and journal notes to keep context — Body Training logs, weight trends, steps, and sleep. By seeing your mind and body together, you can look back on your rhythm with more depth. ・ Detailed logs for exercises, sets, and weight ・ Weight trend charts and averages ・ Step comparisons and goal display ・ Sleep records and Health app sync ・ Weekly volume and top set calculations — ond plus Go deeper into your wave observation with ond plus, a premium plan for ¥420/month including tax. ・ View your full history beyond the most recent 3 months ・ Import past data from the Health app ・ Review your week as a weekly summary ・ See today’s condition and streak from Home Screen widgets Live with your waves. Download for free and begin with today’s wave. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ond-app.me/privacy
What’s new
Version 1.2.1 · Updated October 9, 2026
・Opening the app on a weak connection or in Airplane Mode no longer signs you out. Your signed-in screen and plan appear as soon as the app opens. ・Signing out now applies only to that device. Your other devices stay signed in. ・The question about combining records from guest use now appears only when records you entered yourself are going into a different account. Signing back in to the same account combines them without asking. ・Sliding your finger along a chart now gives a light tap each time it moves to another day. The check-in slider ticks at each step and taps a little harder at 5.0, so you can feel where you are without watching the screen. ・On TODAY, the wave chart now sits right below the check-in, so you can see how your wave is moving before reading today's summary. ・Fixed the 90-day, 1-year, and All views of the wave, where periods without records were squeezed out and the records around them looked stretched. The timeline now follows the actual dates.
App privacy
The developer, Yuta Totsuka, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Health & Fitness: Health, Fitness
- Location: Coarse Location
- Contact Info: Email Address, Name
- User Content: Photos or Videos
Used for: App Functionality
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:
- Diagnostics: Crash Data, Performance Data
Used for: Analytics
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| ond | – | Free | October 9, 2026 | |
| Mood Note-気分と生活リズムを記録するアプリ- | – | Free | Jul 4, 2026 | Compare |
| Actelle | – | Free | Dec 18, 2025 | Compare |
| カラダの取説 | – | Free | Oct 15, 2026 | Compare |
| Mood Log - Track better | – | Free | Aug 28, 2026 | Compare |
| Coping Cards: CBT Anxiety Help | – | Free | Oct 15, 2026 | Compare |
| Mood Wave - Daily Mood Diary | – | Free | Jun 26, 2026 | Compare |
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