# The Sidewinder Checklist — CCR Checklist: Sidewinder

> Digital rebreather diving checklist and planning tool for divers. (iPhone/iPad app by Andrew Austin.)

- Source: https://appshunter.io/ios/app/the-sidewinder-checklist/id6476092633 (this page in markdown: same URL + `.md`)
- Developer: [Andrew Austin](https://appshunter.io/developer/1708589155)
- Category: Sports
- Price: $4.99 with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 17.0 · 5 MB
- Languages: English
- Released: 2024-01-19
- Data updated: 2026-08-17
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/the-sidewinder-checklist/id6476092633/reviews.md

## What is The Sidewinder Checklist?

The Sidewinder Checklist: Dive Simplified

Welcome to The Sidewinder Checklist app – your ultimate digital companion for rebreather diving! Say goodbye to paper waste and embrace the digital revolution with our user-friendly app, specifically designed for iPhone and iPad. This innovative application is crafted to streamline your diving experience, making rebreather assembly and dive planning more efficient, environmentally friendly, and enjoyable.

Key Features:

Dedicated Checklists: 
Our app follows the manual lists to provide dedicated checklists for rebreather assembly. Ensure you never miss a step with intuitive and comprehensive guidance.

Countdown Timers:
Set precise countdown timers for Positive, Negative, and Pre-breathes, ensuring your rebreather preparation is timely and accurate.

Comprehensive Task Management: 
Manage your build prep with ease. Our checklist helps you track every detail of your dive preparation.

Save the Planet: 
Move away from throwaway paper checklists for every dive. Our digital solution not only streamlines your preparation but also contributes to reducing paper waste, helping you dive sustainably.

Gear List with Locally Saved Data: 
Keep a detailed gear list and save your data locally on your device. Access your equipment checklist anytime, ensuring you’re always prepared for your dive.

Notifications: 
Stay on top of your dive planning with timely notifications. Our app reminds you of crucial preparation steps and countdowns, so you’re always ready to dive without delay.

Build History with Locally Saved Data: 
Stay on top of your cell health with cell accuracy charts. Along with build history that includes all the mV values stored from your build.

Your Dive, Our Priority:

The Sidewinder Checklist app is more than just a checklist; it's a comprehensive tool designed to enhance your diving experience. Whether you’re a seasoned rebreather diver or just starting, our app ensures your preparation is thorough, efficient, and environmentally conscious.

Download Now:

Ready to transform your diving routine? Download The Sidewinder Checklist app today and take the first step towards a more organized, efficient, and eco-friendly diving experience!

## Key features

- Dedicated rebreather assembly checklists
- Countdown timers for pre-breathes
- Comprehensive task management for dive prep
- Digital gear list with local data saving
- Build history with mV values
- Timely preparation notifications

## Pricing and in-app purchases

Base price: $4.99.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Tiny Tip | $0.99 | one-time |
| Small Tip | $1.99 | one-time |
| Large Tip | $9.99 | one-time |
| Medium Tip | $4.99 | one-time |


## Chart rankings

- #199 in Top Paid · Sports (US App Store)


## Frequently asked questions about The Sidewinder Checklist

### What is Sidewinder Checklist?

Sidewinder Checklist is a digital tool designed to streamline rebreather diving preparation. It offers dedicated checklists, countdown timers, and gear management to make dive planning more efficient and eco-friendly.

### What devices does Sidewinder Checklist support?

Sidewinder Checklist is available for iPhone and iPad, allowing divers to access their planning tools on their preferred Apple devices.

### How much does Sidewinder Checklist cost?

Sidewinder Checklist is a paid application, priced at $4.99. This one-time purchase provides access to all its features for dive preparation.

### Does Sidewinder Checklist have ads?

No, Sidewinder Checklist is ad-free. Users can enjoy a seamless experience without any advertisements interrupting their dive planning process.

### How often is Sidewinder Checklist updated?

The app was last updated on April 7, 2024, indicating regular maintenance and potential feature additions. The latest version is 1.4.

### What is the age rating for Sidewinder Checklist?

Sidewinder Checklist has an age rating of 4+, making it suitable for a wide range of users. This rating suggests it contains no mature content.

### Can I save my gear list and build history with Sidewinder Checklist?

Yes, Sidewinder Checklist allows you to save your gear list and build history locally on your device. This ensures you always have access to your equipment details and past dive data.

### What makes Sidewinder Checklist environmentally friendly?

By digitizing paper checklists, Sidewinder Checklist helps reduce paper waste associated with rebreather assembly and dive planning, contributing to more sustainable diving practices.

## Version history (last 3 releases)

### 1.4 — 2024-04-07

- New Feature: track your cells expiration in your history
- New Feature: See your latest cell accuracy above your cell charts
- Minor bug updates from last release

### 1.3 — 2024-04-04

- Updated timer to keep time while app is in background or phone is locked
- Notifications when the timer is complete
- minor UI updates

### 1.2 — 2024-01-19

No release notes.

## Apps similar to The Sidewinder Checklist

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [TrimixBlending](https://appshunter.io/ios/app/trimixblending/id6749371808) | — | Free | Sports |
| [krakentools – TEC/REC Tools](https://appshunter.io/ios/app/krakentools-tecrec-tools/id6761906896) | — | Free | Sports |
| [LetsDive: Scuba Diving Log](https://appshunter.io/ios/app/letsdive-scuba-diving-log/id6767659647) | 5.0 (2) | Free | Sports |
| [Scuba Tank Capacity](https://appshunter.io/ios/app/scuba-tank-capacity/id6758780465) | — | Free | Sports |
| [CCRtools](https://appshunter.io/ios/app/ccrtools/id6745844453) | — | Free | Sports |
| [Gas Blender Toolkit](https://appshunter.io/ios/app/gas-blender-toolkit/id1467768490) | 3.0 (2) | $2.99 | Sports |

## More apps by Andrew Austin

- [The JJ CCR Checklist: Diving](https://appshunter.io/ios/app/the-jj-ccr-checklist-diving/id6467408738)
- [The Xccr Checklist: Diving](https://appshunter.io/ios/app/the-xccr-checklist-diving/id6467408753)
- [SOS: France](https://appshunter.io/ios/app/sos-france/id6468307505)
- [Pelagian CCR Checklist](https://appshunter.io/ios/app/pelagian-ccr-checklist/id6468662833)
- [The O2ptimaCM Checklist](https://appshunter.io/ios/app/the-o2ptimacm-checklist/id6469104578)
- [The T-Reb Checklist](https://appshunter.io/ios/app/the-t-reb-checklist/id6471980731)

All apps by Andrew Austin: https://appshunter.io/developer/1708589155

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-17.*