BlueDive vs Depth.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BlueDive
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BlueDive lets you record, organize, and relive every dive — on iPhone and iPad. No account required. No data collected. Your logbook, your data. Key Features - Interactive map of all your dive sites - Dive Trips — automatically grouped by time gap, with photo covers and trip stats - Dashboard with statistics and personal records - Dive calendar heatmap - Marine Life Sightings log - Bluetooth sync with any libdivecomputer-supported dive computer — dedicated support for 22+ major brands including Shearwater, Suunto, Scubapro, Mares, and Aqualung. Smart fingerprinting avoids duplicate downloads, quick reconnect to known computers, and automatic clock sync - Powerful filtering — narrow your logbook by year, depth, gas type, rating, country, dive type, tags, and marine life - Manual dive entry - Import from MacDive, BlueDive XML, Subsurface, Garmin FIT and UDDF — format auto-detected, gear imported alongside dives - Export per-dive as PDF, XML, or UDDF; export your whole logbook as XML or UDDF - Detailed dive profiles: depth, temperature, gas, decompression, PPO2 and more - Gear management with service tracking and group templates - Tank templates for quick gas configuration - Certifications and diving insurance in one place - iCloud sync across all your devices - Light and Dark mode with manual override - Home screen widgets - Smart reminders for gear service, certification expiry, and dive milestones - Available in English, French Canadian, Dutch and German Designed by passionate divers.
Depth.
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Depth. is your dive log for iPhone. Simple, fast and beautiful. LOG EVERY DIVE Location, depth, dive time, water temperature, visibility, equipment, weights and buddy all in one place. Dives are automatically saved to your account. MARINE SPECIES Save species you encounter during your dive. Depth. has an extensive catalog with photos and information about fish, coral and other underwater animals. BUDDY SYSTEM Send a dive directly to your buddy via their Depth ID. They will see your log appear in their timeline. AI ASSISTANT Ask questions about diving techniques, species or your equipment. The built-in AI assistant will help you further. EXPORT Download all your dives as JSON, CSV or XML compatible with other logbooks. IMPORT Do you dive via Diviac? Import all your existing dives with one tap. DESIGNED FOR DIVERS No subscriptions. No ads. Just a clean, quick logbook that you always have with you.
Screenshots
Verdict
The clearest difference is update cadence: BlueDive at every 10 days against Depth.'s every 5 weeks. Depth.'s advantage is iOS requirement (16.0 vs 18.6). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BlueDive ships an update every 10 days, Depth. every 5 weeks. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.
| Parameter | BlueDive | Depth. |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 27 MB | 2 MB |
| Age rating | 12+ | 4+ |
| Developer | Steve Houle | Josephus Fransiscus Zegers |
In-app purchases
BlueDive
No in-app purchases
Depth.
No in-app purchases








