Comparison

BlueDive vs Nuddi

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BlueDive

Features
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BlueDive lets you record, organize, and relive every dive — on iPhone, iPad, and Mac. No account required. No data collected. Your logbook, your data. Key Features - Interactive map of all your dive sites - Dive Trips — automatically grouped by the time between dives, with photo covers and trip stats - Statistics dashboard with lifetime totals and personal bests - Dive calendar heatmap - Marine life sightings with a species catalogue linked to iNaturalist - Dive photos automatically matched to the right dive - Bluetooth sync with dive computers from 20+ brands via libdivecomputer, including Shearwater, Suunto, Scubapro, Mares, and Aqualung. Smart fingerprinting avoids duplicate downloads, quick reconnect to known computers, and automatic clock sync - Powerful search and filters — find dives by site, buddy, country, or tag; filter by year, depth, gas type, rating, country, dive type, tags, and marine life - Manual dive entry - Multiple divers in one logbook - Import from MacDive, BlueDive XML, Subsurface, Garmin FIT, and UDDF — format auto-detected, gear imported alongside dives - Export a dive as PDF, BlueDive XML, or UDDF; export your whole logbook as BlueDive XML or UDDF - Detailed dive profiles: depth, temperature, tank pressure, NDL, PPO2, decompression stops and ceiling - Optional online weather from Open-Meteo - Gear management with service tracking and gear groups - Tank templates for quick gas configuration - Certifications and diving insurance in one place - iCloud sync across iPhone, iPad, and Mac - Database backup - Each dive keeps its original units and is shown in yours - Light and Dark mode with manual override - Widgets for the Home Screen and Mac desktop - Smart reminders for gear service, certification and insurance expiry, and dive milestones - Available in English, French (Canada), German, and Dutch, with an in-app language choice Designed by passionate divers.

About

Nuddi

Features
Read full description

Your dive logbook, free and without a subscription. Log your dives, identify what you see, and take everything you have dived with you. BRING THE DIVES YOU ALREADY HAVE Connect your dive computer over Bluetooth and pull them straight across. Coming from another app? Import your UDDF or CSV files and don't start from scratch. Dive with an Apple Watch? Your dives are already there. DISCOVER MARINE LIFE 1,171 species with a profile, artwork and where to find them. Mark what you spot and grow your collection dive by dive. LOG EVERY DIVE Depth, bottom time, temperature, gas mix, gear and what you saw. Add your photos. And scan the stamp your dive centre pressed into your paper logbook to keep it with the dive, where it won't get lost. FOLLOW YOUR JOURNEY Your dives and the countries you have visited, on a world map. Your deepest dive, your total time underwater, your statistics. SHARE IT Turn a dive, a species or your whole logbook into a picture ready to send, with your dive centre's stamp on it. TAKE ON CHALLENGES Underwater quests, XP and levels as your experience grows. YOURS, AND WITH YOU • Free, no subscription and no in-app purchases • Works with no signal: on the boat too • Syncs across your devices through your iCloud • Export your logbook as UDDF or CSV whenever you like • In English, Spanish, French, German and Portuguese Explore more. Discover more. Remember every dive.

Screenshots

BlueDive4 screens
Nuddi4 screens

Verdict

The call

The clearest difference is update cadence: Nuddi at every 4 days against BlueDive's every 10 days. On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BlueDive ships an update every 10 days, Nuddi every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 5 level
BlueDive versus Nuddi: the parameters behind the verdict, then further details
ParameterBlueDiveNuddi
PriceFreeFree
Update frequencyEvery 10 daysEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad — betteriPhone
Requires iOS18.618.0 — better
Further details — not scored
Size30 MB59 MB
Age rating12+4+
DeveloperSteve HouleMarc Cubiro

In-app purchases

None

BlueDive

No in-app purchases

None

Nuddi

No in-app purchases

Questions

Is BlueDive free?
BlueDive is free to download, with no in-app purchases.
Is Nuddi free?
Nuddi is free to download, with no in-app purchases.
Do BlueDive or Nuddi have ads?
Neither BlueDive nor Nuddi shows ads.
Which is updated more often, BlueDive or Nuddi?
BlueDive ships an update every 10 days, and Nuddi every 4 days. Most recently, BlueDive was updated on October 24, 2026 and Nuddi on October 25, 2026.

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