Apps & Tech
The Best Diving Apps for iPhone in 2026
From full dive computers on your Apple Watch to logbooks and planners, here are the diving apps worth your home screen in 2026, and exactly who each one is for.
The best all-round diving app for iPhone in 2026 is Diving Standard, because it bundles a real Apple Watch dive computer, planning tools, a logbook and live sea conditions in one free app. Oceanic+ is the most polished pure dive computer (subscription, no conditions), and DIVEROUT stands out for its AI underwater photo and video color correction. Pick by what you mainly need: a dive computer, a logbook, planning, or all of it in one place.
- Best all-rounder
- Diving Standard (free)
- Most polished computer
- Oceanic+ (subscription)
- Best for media
- DIVEROUT (AI color)
- Platform
- iPhone + Apple Watch
Your iPhone (and an Apple Watch Ultra) can now do things that used to need a dedicated dive computer and a shelf of logbooks. But the apps vary wildly: some are full dive computers, some are just logbooks, some are planners. Here are the ones worth installing in 2026, and the job each one is actually best at.
The best diving apps, and who each is for
Diving Standard
Best for: An all-in-one app you do not have to pay for
A free dive computer for Apple Watch (including the Ultra depth sensor), plus planning tools, a logbook with SAC and insights, illustrated courses and live sea conditions for any site. The widest feature set here, and the only major one that is free. See how it stacks up against Oceanic+.
Oceanic+
Best for: The most polished pure dive computer
The app that started the Apple Watch Ultra dive-computer category, from the Oceanic dive brand. Beautiful, calm UI and rock-solid on a dive. It is a paid subscription, caps at 40 m, and does not show weather or sea conditions.
DIVEROUT
Best for: Divers who shoot photos and video
A capable Apple Watch dive computer with one standout trick: one-tap AI color correction that restores blue and green underwater photos and videos, plus AI tank-pressure prediction. Paid, and it imports logs from most major brands.
MacDive
Best for: Serious logbook keepers
A long-established, detailed digital logbook that syncs with many hardware dive computers. Brilliant for archiving and analysing dives, but it is a logbook, not a dive computer or planner.
Subsurface
Best for: Free, open-source logging
The open-source diver's choice for importing and storing dive data across brands. Powerful and free, but desktop-first and aimed at tinkerers rather than people who want a polished phone app.
This is an honest read of what each app is best at, not a paid ranking. Diving Standard is our own app, and we have tried to be fair about where the others win.
Match the app to what you actually need
| What you want | Best pick | Cost |
|---|---|---|
| Everything in one app | Diving Standard | Free |
| The slickest dive computer | Oceanic+ | Subscription |
| AI photo / video fixes | DIVEROUT | Paid |
| A detailed logbook | MacDive | Paid |
| Free open-source logging | Subsurface | Free |
| Live conditions for a site | Diving Standard | Free |
What to look for in a diving app
- A transparent algorithm. For anything that acts as a dive computer, you want a published model (Bühlmann ZH-L16C with gradient factors is the standard) and clarity about how conservative it is.
- Offline reliability. You will be underwater and out of signal. Core dive logic must run fully on-device.
- Apple Watch support. The dive happens on your wrist, so first-class Apple Watch (and Ultra depth sensor) support matters more than a pretty phone screen.
- Conditions before you splash. Tide, current, water temperature and visibility decide whether a dive is good or a write-off. Most computer apps ignore this entirely.
- What it costs over a year. A subscription dive computer adds up. Weigh it against a free app that does the same job.
Our pick
If you want one app that plans the dive, runs on your wrist as a dive computer, logs everything afterwards and tells you whether the conditions are any good, Diving Standard does all of it for free. If you only want the single most polished dive computer and do not mind a subscription, Oceanic+ is excellent. And if your diving is really about the footage, DIVEROUT's AI color correction is genuinely useful.
Get the all-in-one diving app, free
Dive computer, planner, logbook, live conditions and illustrated courses on iPhone and Apple Watch. Download Diving Standard free.
Get the Diving Standard appFrequently asked questions
What is the best diving app for iPhone in 2026?
For most divers, Diving Standard is the best all-round choice because it combines an Apple Watch dive computer, planning tools, a logbook and live sea conditions in one free app. Oceanic+ is the most polished pure dive computer if you prefer a single focused tool and do not mind a subscription, and DIVEROUT is the standout for divers who want AI color correction for underwater photos and video.
Can an iPhone or Apple Watch really replace a dive computer?
An Apple Watch Ultra, with an app like Diving Standard or Oceanic+, becomes a genuine recreational dive computer with depth, no-decompression limits, ascent-rate alerts and safety stops, using the Bühlmann ZH-L16C algorithm. It is designed for recreational depths (around 40 m), not technical diving. Many divers also carry a backup, as you would with any single computer.
Are there any free diving apps worth using?
Yes. Diving Standard is free and includes a dive computer, planner, logbook, courses and live conditions. Subsurface is a free, open-source logbook favoured by divers who want full control of their data. Several paid apps add polish or niche features, but you do not have to pay to get a capable, safe setup.
Which diving app is best for underwater photos?
DIVEROUT stands out for photography because it includes one-tap AI color correction that restores the blues and greens lost underwater in both photos and video, plus batch processing. If media is the main reason you dive, it is the app to try.