Comparison

Sailing Today Mag vs Abysner

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

Head to head
About

Sailing Today Mag

This digital magazine offers in-depth articles for cruising sailors, covering boat tests, interviews, and equipment reviews. Access back issues and subscribe to future editions for comprehensive sailing information.

Highlights
  • Monthly sailing magazine
  • Boat tests
  • Cruising interviews
  • Equipment assessments
  • Access back issues
  • Subscription options
Features
Read full description

Sailing Today is the essential monthly magazine for thousands of active cruising sailors whose love of sailing takes them around the British Isles, across the Channel or further, to the blue waters of the wider world. Featuring new and used boat tests, interviews with cruising enthusiasts and expert assessments of the latest equipment, Sailing Today is the first choice for any cruising sailor in search of really relevant information on how to sail better. *Back issues and future issues are available for purchase within the App. Future issues are also available through the following auto-renewing subscription(s): -12 Issues (1 Year) at £39.99 / $49.99 - 6 Issues (6 Months) at £21.99 / $28.99 -1 Issue (1 month) at £3.99/$4.49 The subscription will include the current issue if you do not already own it and subsequently published future issues. Payment will be charged to your iTunes Account at confirmation of purchase. This subscription will automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period, your account will be charged for renewal within 24-hours prior to the end of the current period. The cost of the renewal will match the initial subscription price. You may turn off auto-renewing subscriptions by going to your user’s Account Settings after purchase. No cancellation of the current subscription is allowed during your active subscription period. Please find our Privacy Policy here: https://chelseamagazines.com/privacy/ Please find our Terms & Conditions here: https://www.chelseamagazines.com/the-chelsea-magazine-company-terms-and-conditions/

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

Sailing Today Mag4 screens
Abysner4 screens

Verdict

The call

Sailing Today Mag and Abysner both sit at 5.0 stars, but that hides the real split: 100% of Abysner's written reviews are positive against 33% of Sailing Today Mag's. Abysner also leads on in-app purchases (none vs 10). Sailing Today Mag's advantage is price (Free vs $2.99). On rating, ratings volume, update cadence and ads 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

Sailing Today Mag is free to download; Abysner costs $2.99 up front. Sailing Today Mag sells 10 in-app purchases, starting at $3.99 per month. Abysner asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Sailing Today Mag against 5.0 for Abysner. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews are what separate them: 33% of Sailing Today Mag's written reviews are positive against 100% of Abysner's.

UpkeepUpdate frequency

Sailing Today Mag ships an update every 4 months, Abysner every 2 months. The most recent releases landed on September 1, 2026 and September 18, 2026 respectively.

Scorecard4 real differences · 6 level
Sailing Today Mag versus Abysner: the parameters behind the verdict, then further details
ParameterSailing Today MagAbysner
PriceFree — better$2.99
Rating5.0 (3 ratings)5.0 (2 ratings)
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings3 — better2
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.3 — better
Further details — not scored
Size23 MB42 MB
Age rating4+4+
DeveloperChelsea Magazine CompanyRoelof Rene Smit

Customer experience

Sailing Today Mag

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Abysner

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

In-app purchases

10 purchases

Sailing Today Mag

Subscriptions6
  • Sailing Today Subscription$3.991 Month
  • Sailing Today$4.991 Month
  • Sailing Today$25.996 Months
Show 3 more
  • Sailing Today Subscription$28.996 Months
  • Sailing Today$43.991 Year
  • Sailing Today Subscription$49.991 Year
One-time4
  • September 2014 of Sailing Today$4.99
  • March 2014 of Sailing Today$4.99
  • Sailing Today June 2016$4.99
Show 1 more
  • Sailing Today October 2016$4.99
None

Abysner

No in-app purchases

Questions

Is Sailing Today Mag free?
Sailing Today Mag is free to download, with in-app purchases available.
Is Abysner free?
Abysner costs $2.99, with no in-app purchases.
Which has better reviews, Sailing Today Mag or Abysner?
Sailing Today Mag and Abysner are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.
Do Sailing Today Mag or Abysner have ads?
Neither Sailing Today Mag nor Abysner shows ads.
Which is updated more often, Sailing Today Mag or Abysner?
Sailing Today Mag ships an update every 4 months, and Abysner every 2 months. Most recently, Sailing Today Mag was updated on September 1, 2026 and Abysner on September 18, 2026.

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