Every update.
Last updated: July 21, 2026
A running log of what's changed in 22 Hours, so you always know what's new, what got better, and what got fixed.
Updates are tracked per platform, so jump to Android below.
On iOS.
Version 1.1
July 2026
New
- Guided feature tour. Quick tips walk you through each screen the first time you visit.
- Reminder intensity. Choose Gentle, Steady, or Persistent nudges in Settings.
- Undo a refinement. If you start a new one and change your mind, revert to your previous treatment.
- What's New announcements. A short recap greets you in the app after each update.
Improved
- Bigger Help guide. Rewritten from the ground up, it now covers 20 topics.
- Fresher reminders. Notifications vary their wording so they never sound like a broken record, and Siri replies are more vibrant.
- Easier date edits. The aligner date editor now opens as a gentle pull-up sheet.
- Faster refinement setup. Hold to repeat on the aligner-count stepper, which now validates your count.
- Reliable reminders. They are now timed to land right when they matter.
- Fuller history. Snaps and History now show entries beyond your current treatment.
- Refined Settings. The About screen is cleaner, with unified headers and clearer footnotes.
- Scroll to top. Tap the active tab again to jump straight back to the top.
Fixed
- Time-zone timing. Crossing time zones no longer throws off reminders or calendar events.
- Duplicate calendars. Extra "22 Hours" calendars no longer pile up on Mac.
- Backfill start dates. Treatment start dates now update correctly after you backfill past days.
- Snaps visibility. Progress photos taken outside your current treatment no longer stay hidden.
- Switch cleanup. Completed switches now clear their leftover calendar events.
- Calendar resync. Calendar events resync properly when you switch aligners.
On Android.
Version 1.1
July 2026
New
- Guided feature tour. Quick tips walk you through each screen the first time you visit.
- Reminder intensity. Choose Gentle, Steady, or Persistent nudges in Settings.
- A second switch alert. An extra reminder around each aligner change, so switch day does not sneak up on you.
- Undo a refinement. If you start a new one and change your mind, revert to your previous treatment.
- What's New announcements. A short recap greets you in the app after each update.
Improved
- Bigger Help guide. Rewritten from the ground up, it now covers 20 topics.
- Fresher reminders. Notifications vary their wording so they never sound like a broken record.
- Fuller history. Your wear history now reaches back across the whole treatment, not just the last 30 days.
- Refined Settings. Cleaner Help and About sections with unified headers.
- Medical-device disclaimer. Settings now makes clear that 22 Hours is a wear-time tracker, not a medical device.
- Adjustments, explained. A short footer note in Settings spells out what the Adjustments section does.
Fixed
- Backfill start dates. Treatment start dates now update correctly after you backfill past days.