Best Halcyon Dive Systems alternatives: apps like Halcyon Dive Systems - Diving

10+ similar apps compared and reviewed

4.8 avg rating
6 free apps
Updated October 2026

Whether you want more options like Halcyon Dive Systems or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Halcyon Dive Systems

SUEX Calypso#2

SUEX Calypso by SUEX SRL

Strong Contender
⚽ Sports
0.0(0 ratings)
Free
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Connect with your diving equipment to access essential data before and after dives. Monitor equipment performance and configure parameters for a more enjoyable underwater experience.

Trimix Tools#3

Trimix Tools by Greg Mclaughlin

Dive Planning and Blending
Worth Considering
⚽ Sports
5.0(5 ratings)
$6.99
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This app provides essential tools for divers to plan and blend Trimix gases. It calculates optimal mixes based on depth, oxygen partial pressure, and equivalent narcotic depth, and supports various cylinder filling scenarios. Calculations are available offline and can be customized with saved settings.

More apps like Halcyon Dive Systems

4
Dive Kit: Deco Planner & Tools
Dive Kit: Deco Planner & Tools
Dive Kit: Deco Planner & Tools
Trimix, CCR & nitrox planning
Free

This app provides comprehensive dive planning tools for various gas mixes, including trimix and CCR dives. It offers a suite of free utilities for gas analysis, usage, and buoyancy calculations, alongside educational content and a certification wallet. The premium version unlocks advanced planning features for complex dives.

Open-circuit, trimix, and CCR dive planningAutomatic gas switching and unlimited segmentsOffline functionality
⚽ Sports
(1)
freemium
5
Abysner
Abysner
Abysner
The open-source dive planner
$2.99

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 modelsMulti-gas support (Air, Nitrox, Trimix, etc.)OTU and CNS tracking
⚽ Sports
(2)
paid
6
Nitrox Tools
Nitrox Tools
Nitrox Tools
Dive Planning and Blending
$5.99

This app provides essential tools for divers to plan and blend enriched air nitrox. It calculates dive parameters like equivalent air depth and maximum operating depth, and supports various blending methods for custom gas mixes. Easily switch between metric and imperial units and save custom settings for frequent use.

Enriched air nitrox blendingDive planning calculationsEquivalent Air Depth (EAD)
⚽ Sports
(4)
paid
7
Submersion Dive Log
Submersion Dive Log
Submersion Dive Log
Scuba Dive Log
Free

This app is a comprehensive, open-source dive log for recreational and technical divers. It allows users to track unlimited dives, manage gear, analyze trends, and export data. The app offers dive computer integration, advanced profile analysis, and detailed logging for various dive types and conditions.

Log unlimited dives with detailed conditionsDive computer integrationAdvanced profile analysis
⚽ Sports
(12)
free
8
Subsurface-mobile
Subsurface-mobile
Subsurface-mobile
Your dive list on the go
Free

This application allows divers to manage their dive logs on their mobile devices. It supports editing dive data and downloading new information from compatible dive computers. Optional cloud synchronization is available for seamless data transfer with desktop versions.

Mobile dive log managementEdit dive dataDownload from Bluetooth LE dive computers
⚽ Sports
(48)
free
9
Buddy: Social Dive App
Buddy: Social Dive App
Buddy: Social Dive App
Share your love of the ocean.
Free

This app is a comprehensive companion for divers, offering features to log dives, manage gear, and connect with a community of ocean enthusiasts. It provides tools for both free and premium users to enhance their underwater adventures and discover new diving experiences.

Dive Log recording and validationBuddy network and activity feedGear management
⚽ Sports
(49)
freemium
10
Dive Log
Dive Log
Dive Log
by Greg Mclaughlin
$14.99

Log your SCUBA dives with detailed information, including GPS coordinates and dive buddy details. Supports metric and imperial units, and integrates with desktop software for comprehensive dive history management.

SCUBA diving logbookGPS coordinate captureDive buddy integration
⚽ Sports
(106)
free with in-app purchases