Comparison

Abysner vs Reef Monkey Gear Tracker

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

Reef Monkey Gear Tracker

This app helps divers manage their equipment and dive logs. It allows users to track gear usage, service history, and rental assignments, ensuring equipment is always ready for the next dive. Features include AI-powered maintenance recommendations and a digital dive log.

Highlights
  • Digital dive logging
  • QR code gear scanning
  • AI-powered maintenance recommendations
  • Equipment usage tracking
  • Service and inspection history
  • Gear checkout for rentals
Features
Read full description

Your gear keeps you alive underwater. Reef Monkey keeps your gear in check. Whether you're logging a checkout dive, running a dive shop, or managing student equipment as an instructor, Reef Monkey is the only app that connects your dive log directly to the gear you took down — so you always know what's been used, what needs service, and what's ready to dive. DIVE LOG Log every dive with depth, duration, location, water temperature, visibility, conditions, and personal notes. Build a complete, searchable record of your time underwater — every dive, every site, every piece of gear you used. No more paper logbooks getting wet, lost, or left at home. Your entire dive history lives in your pocket, always backed up, always accessible. GEAR TRACKING Tag every piece of equipment with a QR code and pull up full gear profiles with a single scan. Track purchase dates, service intervals, inspection records, and cumulative dive usage across your entire kit — regulator, BCD, wetsuit, fins, mask, tanks, computers, and more. Know exactly what you own, where it is, and how hard it's been worked. AI-POWERED MAINTENANCE Reef Monkey doesn't just remind you to service your gear on a calendar schedule — it tracks actual dive usage and generates intelligent maintenance recommendations based on how your equipment is really being used. Catch problems before they become emergencies. Service what needs it. Skip what doesn't. GEAR CHECKOUT Running a rental fleet or shared equipment locker? Assign gear to specific divers, track who has what, and log it back in when it returns. Built for dive shops and instructors managing high-turnover equipment where accountability matters. SERVICE & INSPECTION HISTORY Every service, every inspection, every repair — logged and attached to the gear it belongs to. When it's time to sell, service, or certify equipment, your full history is right there. No digging through emails or paper receipts. WHO IT'S FOR Recreational Divers — Keep your personal kit organized, log every dive, and never wonder when your regulator was last serviced. Scuba Instructors — Manage student and personal gear across multiple courses, track usage by individual, and stay on top of inspection schedules without the spreadsheets. Stop managing your dive life in paper logbooks, group chats, and sticky notes. Reef Monkey is the gear intelligence platform the dive community has needed — and it's finally here. Download Reef Monkey and dive smarter.

Screenshots

Abysner4 screens
Reef Monkey Gear Tracker4 screens

Verdict

The call

The clearest difference is price: Reef Monkey Gear Tracker at Free against Abysner's $2.99. Reef Monkey Gear Tracker also leads on update cadence (every 2 days vs every 2 months) and ratings volume (6 vs 2). On rating, review sentiment, ads and in-app purchases 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

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

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Abysner against 5.0 for Reef Monkey Gear Tracker. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Abysner ships an update every 2 months, Reef Monkey Gear Tracker every 2 days. Both last shipped on October 5, 2026.

Scorecard4 real differences · 6 level
Abysner versus Reef Monkey Gear Tracker: the parameters behind the verdict, then further details
ParameterAbysnerReef Monkey Gear Tracker
Price$2.99Free — better
Rating5.0 (2 ratings)5.0 (6 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings26 — better
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.315.1 — better
Further details — not scored
Size42 MB195 MB
Age rating4+4+
DeveloperRoelof Rene SmitChance Gully

Customer experience

Abysner

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

Reef Monkey Gear Tracker

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Abysner

No in-app purchases

None

Reef Monkey Gear Tracker

No in-app purchases

Questions

Is Abysner free?
Abysner costs $2.99, with no in-app purchases.
Is Reef Monkey Gear Tracker free?
Reef Monkey Gear Tracker is free to download, with no in-app purchases.
Which has better reviews, Abysner or Reef Monkey Gear Tracker?
Abysner and Reef Monkey Gear Tracker are both rated 5.0 out of 5 on the App Store, from 2 and 6 ratings respectively.
Do Abysner or Reef Monkey Gear Tracker have ads?
Neither Abysner nor Reef Monkey Gear Tracker shows ads.
Which is updated more often, Abysner or Reef Monkey Gear Tracker?
Abysner ships an update every 2 months, and Reef Monkey Gear Tracker every 2 days. Most recently, Abysner was updated on October 5, 2026 and Reef Monkey Gear Tracker on October 5, 2026.

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