Comparison

How AfterDive compares.

There are some excellent dive log apps out there, and the best one depends on how you dive. Here is a fair, side by side look at AfterDive next to Subsurface, MacDive, Diviac and Deepblu, including where the others are stronger.

Most dive log apps fall into two camps: powerful tools built around your dive computer data, and lighter logs built around community. AfterDive sits in between, pairing rich logging and automatic SAC rate with AI insights and a living community. The table below lays it out honestly.

Side by side
Swipe to see all apps.
AfterDiveInsight + community Subsurface MacDive Diviac Deepblu
Price FreeUnlimited logs & insights FreeOpen source PaidiPhone approx USD 10, Mac extra Free Free
Platforms iOSAndroid coming Win, Mac, Linux, Android macOS, iOS Web, iOS, Android iOS, Android
Automatic SAC rate & gas ✓ ✓ ✓ Basic Limited
Dive computer download Not yet ✓Extensive ✓100+ models Limited ✓Bluetooth
Conditions & marine life logging ✓ Basic ✓ Basic ✓
AI insights from your dives ✓Unique ✕ ✕ ✕ ✕
Community & follow divers ✓Tribe ✕ ✕ Limited ✓
Marine life intelligence & site discovery ✓iNaturalist + OBIS ✕ ✕ Site database Site info
Dive events & trips ✓Pro: publish events & courses ✕ ✕ Travel Limited
User experience & design Intuitive & modernAll levels, new to technical Utilitarian Polished, Apple native Functional Clean, social
Best for Divers who want insight and community Technical divers who want free, full data control Apple users who log from a dive computer Casual divers in the PADI world Social divers with a Bluetooth computer

Details current as of June 2026 and based on each app's public information. Features and pricing change, so check each app directly before deciding.

A closer look
AfterDive
Insight and community

AfterDive is built around what your dives mean, not just what they recorded. Automatic SAC rate, rich conditions and marine life logging, and AI insights drawn from your own history, from your diver archetype to your air efficiency trend. Tribe connects you to a living community of divers, and the Explore map layers research grade marine data from iNaturalist and OBIS with real sightings from other divers, so you know a site before you get wet. Free to start, on iOS today with Android on the way.

Subsurface
Free and open source

The power user's choice. It runs on Windows, Mac, Linux and Android, integrates with a huge range of dive computers, and handles air, nitrox and trimix with full multi tank support. If you want complete control of your data and never want to pay, it is hard to beat. The trade off is a utilitarian interface and no community or marine life layer.

MacDive
Paid, Apple native

A beautifully made app for macOS and iPhone. It imports from over 100 dive computers, shows detailed profiles, tracks SAC and RMV, and manages gear with service reminders. Ideal if you live in the Apple ecosystem and log from a dive computer. There is no Android version, no social side, and it is paid.

Diviac
Free, PADI

A free logbook with a dive site database and travel features, now part of PADI. Convenient if you are already in the PADI world and want something simple. It has seen limited development in recent years and its export options are thin, so data portability is a weak point.

Deepblu
Free, social

A social first logbook that syncs with Bluetooth dive computers, lets you share dives, discover sites and even connect with dive shops. A good fit for divers who want a community feel and own a compatible computer, though it goes less deep on personal analytics.

Where AfterDive is still growing

We are not going to pretend AfterDive does everything. Today it is iOS first, with Android on the way. It does not yet download directly from dive computers over Bluetooth, so for now you log manually or with smart shortcuts, and dive computer import is something we are building. And the community is young, growing with every diver who joins.

So if direct dive computer download on desktop is your single must have right now, Subsurface or MacDive will serve you better today, and that is genuinely okay. AfterDive is for divers who want their logs to give something back: insight, intelligence and a community to share the water with.

See your diving differently.

Free to download, with unlimited logs, automatic SAC rate and AI insights included. Join before 30 July 2026 and keep Pro features free for life.

Download on iOS See pricing
Common questions
What is the best free dive log app?
Subsurface is the most powerful free, open source option, especially for technical divers and for downloading directly from dive computers across Windows, Mac, Linux and Android. AfterDive is also free, and is the better fit if you want automatic SAC rate, AI insights from your own dives and a community alongside your logs.
Does AfterDive sync with dive computers?
Not yet over Bluetooth. AfterDive focuses on fast manual and smart logging today, with dive computer import planned. If direct download from a dive computer is essential for you right now, Subsurface and MacDive lead in that area.
What is the best dive log app for technical divers?
Subsurface and MacDive are strong choices for multi gas and multi tank logging with direct dive computer data. AfterDive covers SAC rate, gas consumption and detailed conditions, and adds insight and community on top, so many technically minded divers use it alongside their dive computer software.
What is the best dive log app with a community?
AfterDive and Deepblu both have social features. AfterDive's Tribe adds public dive logs, dive events and trips, and the ability to follow Pro and instructor divers, all layered over research grade marine life data.
Is AfterDive free?
Yes. AfterDive is free to download, with unlimited dive logs, automatic SAC rate and AI insights included. Optional paid tiers launch in August 2026, and members who join before 30 July 2026 keep Pro features free for life. See the pricing page for details.
Which dive log app works on both iPhone and Android?
Deepblu and Diviac are cross platform today. AfterDive is available on iOS now, with Android on the way. Subsurface covers desktop platforms plus Android.