Abysner vs My Divejunk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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!
My Divejunk
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Met My Divejunk heb je alles wat je als duiker nodig hebt op één plek. Beheer je vullingen, tokens en documenten — direct vanaf je telefoon. Automatisch vullen Scan de QR-code op het vulpunt, kies het aantal tokens en start je vulling. Geen wachtrij, geen openingstijden. Vul je flessen wanneer het jou uitkomt. Tokens kopen Koop eenvoudig tokenpakketten via iDEAL. Je saldo wordt direct bijgewerkt en is klaar voor gebruik. Altijd je pasje bij de hand Laat je persoonlijke QR-code scannen in de winkel. Geen pasje nodig, je telefoon is genoeg. Documenten & brevetten Bewaar je duikbrevetten, medische verklaring en verzekeringsinformatie op één plek. De winkel kan direct zien dat alles in orde is. Meerdere duikwinkels Klant bij meerdere aangesloten winkels? Wissel eenvoudig van winkel in de app en bekijk je saldo per locatie. Overzicht & geschiedenis Bekijk je vulgeschiedenis, aankopen en activiteiten. Alles netjes bijgehouden.
Screenshots
Verdict
The clearest difference is price: My Divejunk at Free against Abysner's $2.99. My Divejunk also leads on update cadence (every 5 days vs every 2 months) and iOS requirement (13.0 vs 15.3). On 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
My Divejunk is free to download; Abysner costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Abysner ships an update every 2 months, My Divejunk every 5 days. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.
| Parameter | Abysner | My Divejunk |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.3 | 13.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Roelof Rene Smit | Rogier Visser |
In-app purchases
Abysner
No in-app purchases
My Divejunk
No in-app purchases
Questions
Is Abysner free?
Is My Divejunk free?
Do Abysner or My Divejunk have ads?
Which is updated more often, Abysner or My Divejunk?
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