---
title: "The O2ptimaCM Checklist - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "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"
---

# The O2ptimaCM Checklist — United States
> CCR Checklist: O2ptima CM

![The O2ptimaCM Checklist App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/f4/cb/46/f4cb464b-4141-c6f6-3541-984efdcdd98d/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [Andrew Austin](https://apptail.io/developer/andrew-austin-FI)
**Category:** Sports
**Rating:** 5.0/5 (1 ratings)
**Price:** $9.99
**Bundle ID:** com.andy.TheO2ptimaCMChecklist
**Store:** Apple App Store
**Country:** United States
**Version:** 1.6 (released 2025-01-21)
**Original Release:** 2023-10-12
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6469104578)
**AppTail Page:** [https://apptail.io/app/the-o2ptimacm-checklist-UHko/united-states](https://apptail.io/app/the-o2ptimacm-checklist-UHko/united-states)

## The O2ptimaCM Checklist Description
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!

## The O2ptimaCM Checklist Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/c7/39/35/c739350f-3450-7722-1336-e7c516e93805/34ab737d-958f-428b-aad7-6fe640c35d53_Hotpot_0.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/ae/f6/6c/aef66c0f-03ac-87b2-fb55-d18d69a0f827/ce59f2fd-6a87-4a03-b99b-a56e37e0b4cd_Hotpot_1.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/48/f7/0f/48f70ffe-75db-4d2f-65e0-fd43cc640d4e/bef09e3c-a494-4a45-b3f0-25a419225a39_Hotpot_2.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/ac/59/2f/ac592fc2-f840-8a9c-9c54-18a70f55705b/74359eda-ffd0-4320-b70e-0e8fbde1b190_Hotpot_3.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/29/c5/f9/29c5f96d-0f91-b683-787b-f008e3ca96a3/f2487fb5-0f9c-4a45-90b5-280d1aea81e4_Hotpot_4.png/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/80/12/75/801275cd-475a-2a03-4f60-41910c460a97/61ef0b5a-de14-4b4f-bbd7-0254f232084f_Hotpot_3.png/1284x2778.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/2b/d0/d8/2bd0d82e-3f9b-00f5-675c-74942eb6050c/8d65b8e0-de07-4f0c-8636-6f2ab5c23d6d_Hotpot_4.png/1284x2778.png)

## The O2ptimaCM Checklist Rating Breakdown in United States
- 5 stars: 1 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)


## The O2ptimaCM Checklist In-App Purchases
| Item | Price |
|------|-------|
| Large Tip | $9.99 |
| Medium Tip | $4.99 |
| Small Tip | $1.99 |
| Tiny Tip | $0.99 |

## The O2ptimaCM Checklist Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Paid | Singapore | Sports | #149 |
| Top Paid | Thailand | Sports | #165 |
| Top Paid | Taiwan | Sports | #191 |
| Top Paid | Malaysia | Sports | #224 |
| Top Paid | Brazil | Sports | #228 |
| Top Paid | United States | Sports | #244 |


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## The O2ptimaCM Checklist Available In
- [United States](https://apptail.io/app/the-o2ptimacm-checklist-UHko/united-states)
- [Argentina](https://apptail.io/app/the-o2ptimacm-checklist-UHko/argentina)
- [Austria](https://apptail.io/app/the-o2ptimacm-checklist-UHko/austria)
- [Australia](https://apptail.io/app/the-o2ptimacm-checklist-UHko/australia)
- [Azerbaijan](https://apptail.io/app/the-o2ptimacm-checklist-UHko/azerbaijan)
- [Belgium](https://apptail.io/app/the-o2ptimacm-checklist-UHko/belgium)
- [Brazil](https://apptail.io/app/the-o2ptimacm-checklist-UHko/brazil)
- [Belarus](https://apptail.io/app/the-o2ptimacm-checklist-UHko/belarus)
- [Canada](https://apptail.io/app/the-o2ptimacm-checklist-UHko/canada)
- [Switzerland](https://apptail.io/app/the-o2ptimacm-checklist-UHko/switzerland)
- [Chile](https://apptail.io/app/the-o2ptimacm-checklist-UHko/chile)
- [China](https://apptail.io/app/the-o2ptimacm-checklist-UHko/china)
- [Colombia](https://apptail.io/app/the-o2ptimacm-checklist-UHko/colombia)
- [Cyprus](https://apptail.io/app/the-o2ptimacm-checklist-UHko/cyprus)
- [Czechia](https://apptail.io/app/the-o2ptimacm-checklist-UHko/czechia)
- [Germany](https://apptail.io/app/the-o2ptimacm-checklist-UHko/germany)
- [Denmark](https://apptail.io/app/the-o2ptimacm-checklist-UHko/denmark)
- [Dominican Republic](https://apptail.io/app/the-o2ptimacm-checklist-UHko/dominican-republic)
- [Algeria](https://apptail.io/app/the-o2ptimacm-checklist-UHko/algeria)
- [Ecuador](https://apptail.io/app/the-o2ptimacm-checklist-UHko/ecuador)
- [Egypt](https://apptail.io/app/the-o2ptimacm-checklist-UHko/egypt)
- [Spain](https://apptail.io/app/the-o2ptimacm-checklist-UHko/spain)
- [Finland](https://apptail.io/app/the-o2ptimacm-checklist-UHko/finland)
- [France](https://apptail.io/app/the-o2ptimacm-checklist-UHko/france)
- [United Kingdom](https://apptail.io/app/the-o2ptimacm-checklist-UHko/united-kingdom)
- [Greece](https://apptail.io/app/the-o2ptimacm-checklist-UHko/greece)
- [Hong Kong SAR China](https://apptail.io/app/the-o2ptimacm-checklist-UHko/hong-kong)
- [Hungary](https://apptail.io/app/the-o2ptimacm-checklist-UHko/hungary)
- [Indonesia](https://apptail.io/app/the-o2ptimacm-checklist-UHko/indonesia)
- [Ireland](https://apptail.io/app/the-o2ptimacm-checklist-UHko/ireland)
- [Israel](https://apptail.io/app/the-o2ptimacm-checklist-UHko/israel)
- [India](https://apptail.io/app/the-o2ptimacm-checklist-UHko/india)
- [Iceland](https://apptail.io/app/the-o2ptimacm-checklist-UHko/iceland)
- [Italy](https://apptail.io/app/the-o2ptimacm-checklist-UHko/italy)
- [Japan](https://apptail.io/app/the-o2ptimacm-checklist-UHko/japan)
- [South Korea](https://apptail.io/app/the-o2ptimacm-checklist-UHko/south-korea)
- [Kuwait](https://apptail.io/app/the-o2ptimacm-checklist-UHko/kuwait)
- [Kazakhstan](https://apptail.io/app/the-o2ptimacm-checklist-UHko/kazakhstan)
- [Lebanon](https://apptail.io/app/the-o2ptimacm-checklist-UHko/lebanon)
- [Luxembourg](https://apptail.io/app/the-o2ptimacm-checklist-UHko/luxembourg)
- [Malta](https://apptail.io/app/the-o2ptimacm-checklist-UHko/malta)
- [Mexico](https://apptail.io/app/the-o2ptimacm-checklist-UHko/mexico)
- [Malaysia](https://apptail.io/app/the-o2ptimacm-checklist-UHko/malaysia)
- [Nigeria](https://apptail.io/app/the-o2ptimacm-checklist-UHko/nigeria)
- [Netherlands](https://apptail.io/app/the-o2ptimacm-checklist-UHko/netherlands)
- [Norway](https://apptail.io/app/the-o2ptimacm-checklist-UHko/norway)
- [Nepal](https://apptail.io/app/the-o2ptimacm-checklist-UHko/nepal)
- [New Zealand](https://apptail.io/app/the-o2ptimacm-checklist-UHko/new-zealand)
- [Peru](https://apptail.io/app/the-o2ptimacm-checklist-UHko/peru)
- [Philippines](https://apptail.io/app/the-o2ptimacm-checklist-UHko/philippines)
- [Pakistan](https://apptail.io/app/the-o2ptimacm-checklist-UHko/pakistan)
- [Poland](https://apptail.io/app/the-o2ptimacm-checklist-UHko/poland)
- [Portugal](https://apptail.io/app/the-o2ptimacm-checklist-UHko/portugal)
- [Romania](https://apptail.io/app/the-o2ptimacm-checklist-UHko/romania)
- [Russia](https://apptail.io/app/the-o2ptimacm-checklist-UHko/russia)
- [Saudi Arabia](https://apptail.io/app/the-o2ptimacm-checklist-UHko/saudi-arabia)
- [Sweden](https://apptail.io/app/the-o2ptimacm-checklist-UHko/sweden)
- [Singapore](https://apptail.io/app/the-o2ptimacm-checklist-UHko/singapore)
- [Slovenia](https://apptail.io/app/the-o2ptimacm-checklist-UHko/slovenia)
- [Thailand](https://apptail.io/app/the-o2ptimacm-checklist-UHko/thailand)
- [Türkiye](https://apptail.io/app/the-o2ptimacm-checklist-UHko/turkey)
- [Taiwan](https://apptail.io/app/the-o2ptimacm-checklist-UHko/taiwan)
- [Ukraine](https://apptail.io/app/the-o2ptimacm-checklist-UHko/ukraine)
- [United Arab Emirates](https://apptail.io/app/the-o2ptimacm-checklist-UHko/united-arab-emirates)
- [Vietnam](https://apptail.io/app/the-o2ptimacm-checklist-UHko/vietnam)

---

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