Comparison

Abysner vs Revo CCR Checklist

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

Head to head
About

Abysner

This app is an open-source dive planning tool designed for simplicity and ease of use. It supports various gas mixes and decompression models, allowing for accurate planning of technical and recreational dives. Its intuitive interface makes it suitable for use even in challenging conditions.

Highlights
  • Buhlmann ZHL-16 A, B, C models
  • Multi-gas support (Air, Nitrox, Trimix, etc.)
  • OTU and CNS tracking
  • Customizable environmental settings
  • Intuitive gas picker
  • Automatic contingency plans
  • Multi-level dive planning
Read full description

Abysner is an open-source, modern dive planning tool with a focus on simplicity and usability. Built to give something back to the diving community, its primary aim is not to be the most feature-rich, but to be quick, user-friendly, and straightforward. Whether you're planning a deep technical dive or just want to check your MOD, Abysner makes dive planning smooth, accurate, and fast—perfect for use even right beside the water. Supported Features: • Models: Supports Buhlmann ZHL-16 A, B, and C with gradient factors. • Multi-Gas Support: Plan dives with Air, Nitrox, Oxygen, Trimix, Helitrox, Heliox, and more. • Oxygen: Includes OTU and CNS tracking for safe dive planning. • Customizable Settings: • Set salinity and altitude according to the diving environment. • Adjust SAC rates, ascent/descent rates. • Fine-tune decompression stop intervals and last deco stop depth. • Control max PPO2 for both during deco stops and normal diving. • Gas Picker: An intuitive interface for selecting and managing gas mixes, with critical information at your fingertips. • Automatic Contingency Plans: Automatically adjusts for longer or deeper dives, with configurable extra time and depth. • Gas Planning: • Visual chart of gas requirements per mix. • Density and PPO2 info at maximum depths for each gas. • Multi-Level Dive Planning: Plan dives across different depths with ease. Please note: CCR planning is not available yet. More coming soon!

About

Revo CCR Checklist

Features
Read full description

The Revo CCR Checklist is a tool to help during the assembly of the Revo rebreather unit. Is a step checklist to build your unit helping remind you of the steps. Allows you to always have a checklist on your phone and no need to carry paper around. The Revo CCR checklist app simplifies the rebreather assembly with countdown timers , simple check boxes for each action and input boxes for cell and tank values. This app allows you to trend the mV for the cell in Air and Oxygen to easily see a cell status. You can also go back and look at old checklists to make sure you completed steps on previous builds. Select the air MV trends or O2 MV trends to see the cell values for up to the last 10 checklist builds.

Screenshots

Abysner4 screens
Revo CCR Checklist1 screens

Verdict

The call

The clearest difference is price: Revo CCR Checklist at Free against Abysner's $2.99. Abysner's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement 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

Revo CCR Checklist is free to download; Abysner costs $2.99 up front. Revo CCR Checklist sells 3 one-off in-app purchases. Abysner asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Abysner versus Revo CCR Checklist: the parameters behind the verdict, then further details
ParameterAbysnerRevo CCR Checklist
Price$2.99Free — better
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.315.1 — better
Further details — not scored
Size42 MB44 MB
Age rating4+4+
DeveloperRoelof Rene SmitJames Beedell

In-app purchases

None

Abysner

No in-app purchases

3 purchases

Revo CCR Checklist

One-time3
  • Support Me - Small Tip$4.99
  • Support Me - Medium Tip$9.99
  • Support Me - Large Tip$19.99

Questions

Is Abysner free?
Abysner costs $2.99, with no in-app purchases.
Is Revo CCR Checklist free?
Revo CCR Checklist is free to download, with in-app purchases available.
Do Abysner or Revo CCR Checklist have ads?
Neither Abysner nor Revo CCR Checklist shows ads.

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