Best Poseidon Reef alternatives: apps like Poseidon Reef

10+ similar apps compared and reviewed

4.1 avg rating
10 free apps
Updated November 2026
Poseidon Reef
Poseidon Reef
Poseidon Diving Systems AB

Whether you want more options like Poseidon Reef 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 Poseidon Reef

Diveplanner Tec & Rec#3

Diveplanner Tec & Rec by Sensetrails LLC

Decompression dive planner
Worth Considering
⚽ Sports
3.1(7 ratings)
FreeIn-App Purchases
Diveplanner Tec & Rec screenshot 1
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Diveplanner Tec & Rec screenshot 3
Diveplanner Tec & Rec screenshot 4
Diveplanner Tec & Rec screenshot 5
Diveplanner Tec & Rec screenshot 6

Plan complex recreational and technical dives with advanced decompression models and multi-gas support. Log your dives, manage gas blends, and restore underwater photo colors. Syncs across Apple devices.

More apps like Poseidon Reef

4
SCUBAzen: dive log & trip prep
SCUBAzen: dive log & trip prep
SCUBAzen: dive log & trip prep
Your Ultimate Dive Buddy
Free
⚽ Sports
(0)
5
iScubaSites
iScubaSites
iScubaSites
by Arie Guttman
Free

Discover scuba diving locations globally with this user-friendly app. Simply search a region to find available dive sites and access detailed information when provided. Explore the underwater world with ease.

Worldwide diving site informationLocation-based searchDetailed dive site information
⚽ Sports
(8)
free
6
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
7
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
8
Nitrox Buddy
Nitrox Buddy
Nitrox Buddy
Nitrox/Enriched Air Calculator
Free

This application serves as a straightforward calculator for nitrox and enriched air divers. It quickly computes essential dive data such as Maximum Operating Depth (MOD), Equivalent Air Depth (EAD), Best Mix, and Partial Pressure of Oxygen (PPO2). It supports both imperial and metric units and offers a companion watch app for on-the-go calculations.

Calculate MOD, EAD, Best Mix, PPO2Imperial and metric unit supportSea and fresh water options
⚽ Sports
(490)
free with in-app purchases
9
SCUBAPRO LogTRAK 2.0
SCUBAPRO LogTRAK 2.0
SCUBAPRO LogTRAK 2.0
Digital SCUBAPRO Logbook
Free

This app serves as a digital dive logbook for iPhones, allowing users to record, manage, and analyze their dive profile data. It is compatible with various SCUBAPRO dive computers and enables adjusting settings and updating firmware.

Record and manage divesAnalyze dive profile dataIncorporate additional dive information
⚽ Sports
(51)
free
10
Mares App
Mares App
Mares App
by Head Watersports S.p.A.
Free

Transform your Apple Watch Ultra into a dive computer, recording dives directly on your wrist. Log scuba, freediving, and technical dives, manage dive sites, and track underwater wildlife sightings. Share your adventures with dive buddies and keep your equipment details organized.

Apple Watch Ultra dive computer integrationDigital dive logbookDive site database and management
⚽ Sports
(194)
free with in-app purchases