The O2ptimaCM Checklist
Not in any tracked top chart right now.
Updated 23 Oct 2026 · rankings refresh through the day
DeveloperAndrew Austin
CategorySports
Price9.99 USD
Released
Rating★ 5.0 (1)
Version1.6
Age rating4+
First seen by us
7 Oct 2026
7 Oct 2026Removed from the App Store
Removed from the App Store. We noticed on 23 Oct 2026 (last in the charts 19 Oct). The cause isn't public: usually an App Store guideline removal, or the developer withdrew it.
Rating
5.0 ★
1 ratings
Measured
The O2ptimaCM Checklist on the App Store
App details
App ID
6469104578
Publisher
Andrew Austin
On the store since
Oct 2023
3 years on the store
Minimum OS
iOS 17.0+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
2 MB
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
5.0 ★
1 ratings
Measured
Ratings
1
Measured
About The O2ptimaCM Checklist
The O2ptima CM Checklist app simplifies rebreather assembly with dedicated checklists mirroring the manual lists. Set precise countdown timers for Positive, Negative, and Pre-breathes. Summary view of your build with caution blocks if steps are missed. Manage your build from a simple digital checklist! Help save the planet by moving away from throw away paper every time you dive to a digital checklist in your phone or Ipad!
Latest updates
1.6
- New Feature based on feedback. User can now change their low setpoint in settings.
- Minor UI enhancements
- Please leave feedback for more feature requests on ideasandbugz.com
