Comparison

Diveplan vs The Sidewinder Checklist

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Diveplan

Features
Read full description

This app is an aid to your dive planning, enabling you to plan multiple dives using multiple gas mixes - fully supporting air, enriched/nitrox and trimix dives with unlimited cylinders and mixes. This app is only an aid and must not be used in place of proper training and a dive computer. It only provides estimates of gas usage and decompression stops - you should not use this app to make any decisions related to your safety.

About

The Sidewinder Checklist

This app digitizes rebreather diving preparation with user-friendly checklists and countdown timers. It helps manage gear, track build history, and reduce paper waste for a more efficient and eco-friendly diving experience.

Highlights
  • 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
Features
Read full description

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!

Screenshots

Diveplan3 screens
The Sidewinder Checklist4 screens

Verdict

The call

The clearest difference is in-app purchases: Diveplan at none against The Sidewinder Checklist's 4. Diveplan also leads on price ($0.99 vs $4.99) and iOS requirement (15.1 vs 17.0). On update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Diveplan costs $0.99 and The Sidewinder Checklist $4.99 up front. The Sidewinder Checklist sells 4 one-off in-app purchases. Diveplan asks for nothing beyond the download.

UpkeepUpdate frequency

Diveplan ships an update monthly, The Sidewinder Checklist every 6 weeks. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 6 level
Diveplan versus The Sidewinder Checklist: the parameters behind the verdict, then further details
ParameterDiveplanThe Sidewinder Checklist
Price$0.99 — better$4.99
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size37 MB5 MB
Age rating17+4+
DeveloperCS Bruford LtdAndrew Austin

In-app purchases

None

Diveplan

No in-app purchases

4 purchases

The Sidewinder Checklist

One-time4
  • Tiny Tip$0.99
  • Small Tip$1.99
  • Medium Tip$4.99
Show 1 more
  • Large Tip$9.99

Questions

Is Diveplan free?
Diveplan costs $0.99, with no in-app purchases.
Is The Sidewinder Checklist free?
The Sidewinder Checklist costs $4.99, and also offers in-app purchases.
Do Diveplan or The Sidewinder Checklist have ads?
Neither Diveplan nor The Sidewinder Checklist shows ads.
Which is updated more often, Diveplan or The Sidewinder Checklist?
Diveplan ships an update monthly, and The Sidewinder Checklist every 6 weeks. Most recently, Diveplan was updated on September 10, 2026 and The Sidewinder Checklist on September 9, 2026.

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