— concept
Don't judge it,just observe.
5.0
Neutral
Every wave starts at 5.0. Not above, not below — just now.
Wave
Log the swing
Days above and days below are all observations. Neither is good or bad.
90 days
Your rhythm
Once the long-term pattern shows, how you live with the wave changes.
— wave · the mind
See the swing of your mind as a wave.
A daily check-in records your condition on a 0–10 scale. Around a neutral 5.0, the swing above and below is drawn as one flowing chart.
- Log instantly with a drag slider
- A smooth 90-day wave chart
- Automatic ABOVE / BELOW tallies
- Keep the context with tags and notes
— form · the body
Observe what your body is saying too.
Training logs, weight trends, steps. Mind and body on a single canvas — your rhythm only makes sense once you see both.
- Detailed logs of exercise, sets and weight
- A weight trend chart with averages
- Weekly step comparison and a goal ring
- Weekly volume and top-set totals
— premium
ond plus
Deeper,
for longer.
¥420/ month (tax incl.)
ond plus takes the observation further. Find the rhythm that is yours alone in the long-term record.
— same as in the app
Live with the wave.
Free to download. Start with today's wave.
Requires iOS 17.0 or later · Free with in-app purchases