Comparison

DecoPlanner mobile vs Abysner

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

Head to head
About

DecoPlanner mobile

Plan complex dive profiles using advanced decompression models. Track multiple gases, manage dive buddies, and visualize dive data with detailed graphs. Choose the version that suits your diving certification level.

Highlights
  • Open/Closed/Passive Semi-Closed Circuit planning
  • ZH-L16 / VPM-B decompression models
  • Gas tracking for multiple gases and dive buddies
  • Gas mixing (partial pressure & continuous blending)
  • Dive profile and tissue compartment graphs
  • Diving level selection (Rec 1 to Unlimited CCR)
Features
Read full description

Features: Open Circuit / Closed Circuit / Passive Semi-Closed Circuit planning ZH-L16 / VPM-B decompression models Convenient grouping of decompression stops Gas tracking of multiple gases and dive buddies Gas mixing through partial pressure and continuous blending Multiple graphs outlining dive profiles and tissue compartment pressures Select the version fitting your current level of diving, from Rec 1 to Unlimited CCR. More information at www.gue.com/store/software/decoplanner-4

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!

Screenshots

DecoPlanner mobile4 screens
Abysner4 screens

Verdict

The call

The clearest difference is review sentiment: Abysner at 100% against DecoPlanner mobile's 40%. DecoPlanner mobile's advantage is price (Free vs $2.99) and iOS requirement (13.0 vs 15.3). On update cadence, ads, in-app purchases 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

DecoPlanner mobile is free to download; Abysner costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 12, 2026 and September 18, 2026 respectively.

Scorecard4 real differences · 6 level
DecoPlanner mobile versus Abysner: the parameters behind the verdict, then further details
ParameterDecoPlanner mobileAbysner
PriceFree — better$2.99
Rating—5.0 (2 ratings) — better
Positive reviews40.0% of reviews100.0% of reviews — better
Number of ratings—2 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.3
Further details — not scored
Size74 MB42 MB
Age rating4+4+
DeveloperGlobal Underwater Explorers Inc.Roelof Rene Smit

Customer experience

DecoPlanner mobile

Written reviews5 reviews
Positive40.0%
Neutral20.0%
Negative40.0%

Abysner

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

DecoPlanner mobile

No in-app purchases

None

Abysner

No in-app purchases

Questions

Is DecoPlanner mobile free?
DecoPlanner mobile is free to download, with no in-app purchases.
Is Abysner free?
Abysner costs $2.99, with no in-app purchases.
Do DecoPlanner mobile or Abysner have ads?
Neither DecoPlanner mobile nor Abysner shows ads.
Which is updated more often, DecoPlanner mobile or Abysner?
DecoPlanner mobile ships an update every 2 months, and Abysner every 2 months. Most recently, DecoPlanner mobile was updated on September 12, 2026 and Abysner on September 18, 2026.

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