Pro Dive vs DiveCore
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pro Dive
This app functions as a real-time dive computer, tracking depth, ascent rate, and tissue loading. It automatically logs dives with detailed profiles and offers advanced decompression calculations. Designed for both recreational and technical divers, it works offline and is optimized for Apple Watch Ultra.
- Real-time depth and ascent rate tracking
- Bühlmann ZH-L16C decompression model
- Automatic dive logging with full profile
- Underwater compass and no-fly time indicator
- Optimized for Apple Watch Ultra
- Offline operation for calculations and logging
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Pro Dive continuously tracks your depth, time, ascent rate and tissue loading to keep you informed throughout every dive. Real-Time Dive Computer • Certified to EN13319 — the international standard for dive instruments. • Live depth display • No-Deco Limit (NDL) • Decompression ceiling and Time-To-Surface (TTS) estimates • Gradient Factors and multi gas support (Nitrox / Trimix capable engine) • CCR support with fixed PPO2 and Bail Out modes • Ascent-rate tracking with smart averaging • Automatically detects submersion and starts logging • Underwater Compass • Indicates no fly time Decompression Model Built on the Bühlmann ZH-L16C model with gradient factors, Pro Dive continuously updates a full 16-compartment tissue model during your dive — just like a dedicated dive computer. Automatic Dive Logs Every dive is saved automatically and synced to your iPhone: • Full dive profile graph • Max depth, duration, start/end times • Min/max temperature • Location via GPS + reverse geocoding • Notes and dive-day details • All logs stored locally with optional cloud backup (if applicable) Designed for Apple Watch Ultra Pro Dive is built specifically for the Ultra’s: • Depth and water-temperature sensors • Bright always-on display • Large Action Button and crown to quickly select options underwater • Rugged dive-ready design Offline, Reliable, and Fast All calculations run entirely on the watch — no signal required. Your watch keeps logging even if the iPhone is not nearby. For Recreational and Technical Divers Whether you’re practising buoyancy in the pool, exploring a wreck, or building up to technical training, Pro Dive provides a clean, modern interface with professional-grade dive calculations behind it. Privacy Policy - https://www.tec-diver.eu/pro-dive-privacy-policy.html End User License Agreement - Privacy Policy - http://www.tec-diver.eu/easy-deco-privacy-policy.html
DiveCore
This app transforms your Apple Watch Ultra into a comprehensive dive computer, offering real-time decompression data, freediving modes, and estimated dive routes. It features AI-powered dive analysis and a detailed logbook, syncing seamlessly with its iPhone companion app for post-dive review and planning.
- Bühlmann ZHL-16C decompression model
- Freediving modes (CWT, STA, DYN)
- Estimated dive route with GPS fixes
- Live Activity no-fly timer
- On-device AI dive analysis
- iCloud synchronized dive log
- Underwater photo color correction
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DiveCore — Dive Computer for Apple Watch Ultra DiveCore uses your Apple Watch Ultra's depth sensor, compass, and accelerometer to show your dive on your wrist. It syncs with the iPhone companion app and uses on-device AI to help you review your dives. [ Core Features ] Dive Computer (Apple Watch Ultra) - Bühlmann ZHL-16C with adjustable Gradient Factors - Real-time 16-tissue compartment decompression model - No-decompression limit (NDL) and decompression ceiling - Automatic safety stop countdown (3 min @ 3-6 m, credited with shallow deco stop time) - Ascent rate alarm + haptic warnings - PPO2 oxygen limit alarm - Auto water lock - HealthKit workout session integration - 30Hz smooth digital compass Freediving Mode - Depth disciplines (CWT / CWTB / FIM), static apnea (STA), dynamic apnea (DYN / DNF) - Automatic dive detection for depth, manual timer with lap entry for pool disciplines - Dive count, max depth, surface interval, heart rate, and a per-session log - A session spans many dives: surfacing starts the rest timer, and you end the session yourself - Freedive mode runs no decompression model and no gas or NDL alarms - It cannot detect shallow-water blackout. Never freedive alone, and always dive with direct, trained supervision Estimated Dive Route - Surface GPS at entry and exit; underwater path estimated from compass, motion and depth, then drift-corrected with the exit fix - 3D route view on iPhone with insights (speed, activity, pattern, current drift) This is not real underwater GPS tracking. It is a sensor-fusion estimate based on the diver's magnetic heading and motion, with both endpoints corrected by surface GPS fixes. No-Fly Timer (Live Activity) - DAN/UHMS guideline tiers (12h single no-deco / 18h repetitive or multi-day / 24h decompression), never shortened by a later dive - Lock-screen + Dynamic Island countdown AI Analysis (XAI — Explainable) - 100% on-device, no external API calls - Dive score (0-100) with itemized breakdown, stress zones and personal baseline Dive Log + Share - iCloud automatic sync across devices - Logs water temp, gas mix, algorithm, no-fly time; SAC and end pressure are estimated - Infographic share card; entry/exit points open in Apple Maps DiveCore Studio (Photo Editor) - Underwater color correction, depth-based red channel restoration, AI dehaze - Dive log watermark Watch Display Customization - Technical bottom bar (incl. heading), Minimal card slots and MAX ring field iPhone Companion - Detailed dive log with depth profile chart - PADI RDP dive planner, AI report, dive site location, statistics, iCloud backup [ Required Hardware ] - Apple Watch Ultra (1st generation or later) - iPhone with iOS 18+ - iCloud account + Apple Sign-In [ Accessibility ] - VoiceOver support and Dynamic Type - 14 languages [ Subscription Terms ] - DiveCore Pro (choose one; all unlock the full feature set): - Yearly: $29.99/year (KRW 44,000) - includes a 7-day free trial for new subscribers - Monthly: $4.99/month (KRW 7,700) - no free trial - 1-Day Pass: $2.99 (KRW 3,300) - 24-hour access, non-renewing (does not auto-renew) - Prices may vary by storefront and currency. - Payment is charged to your Apple ID account at confirmation of purchase - Yearly and Monthly auto-renew unless cancelled at least 24 hours before the end of the current period - If not cancelled at least 24 hours before the trial ends, you will be charged automatically - Manage or cancel your subscription anytime in your device's App Store account settings - Terms of Use (EULA): https://furyus.dev/terms - Privacy Policy: https://furyus.dev/privacy IMPORTANT SAFETY INFORMATION DiveCore is a supplementary tool for trained, certified divers. It is not a replacement for proper training, dive tables, or a backup dive computer. Always dive within the limits of your training and certification, follow your primary dive computer, and carry a redundant device. Diving carries inherent risks, including serious injury or death.
Screenshots
Verdict
The clearest difference is review sentiment: DiveCore at 100% against Pro Dive's 33%. DiveCore also leads on update cadence (every 4 days vs every 6 weeks). On price, ads, in-app purchases and monetization model 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. Pro Dive sells 3 in-app purchases, starting at $6.99 per month and DiveCore sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Pro Dive ships an update every 6 weeks, DiveCore every 4 days. Both last shipped on November 7, 2026.
| Parameter | Pro Dive | DiveCore |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Update frequency | Every 6 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 32 MB | 26 MB |
| Age rating | 4+ | 12+ |
| Developer | Millennium Ltd | Juseong Kim |
Customer experience
Pro Dive
DiveCore
In-app purchases
Pro Dive
- Pro Dive monthly$6.991 Month
- Pro Dive anual$59.991 Year
- Pro Dive Lifetime$139.99
DiveCore
- DiveCore Pro (Monthly)$4.991 Month
- DiveCore Pro (Yearly)7 Days trial$29.991 Year
- DiveCore Pro 1-Day Pass$2.99







