Comparison

Pro Dive vs Decosoft

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

Head to head
About

Pro Dive

Features
Read full description

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

About

Decosoft

Plan your dives with this comprehensive tech diving tool. It offers a user-friendly interface, advanced decompression models, and various dive calculators to ensure safe and enjoyable underwater adventures. Save, share, and prepare for every dive with detailed insights.

Highlights
  • User-friendly dive planning interface
  • Bühlmann decompression model
  • Detailed runtime table with graphs
  • Support for OC and CCR
  • Multiple dive calculators
  • Save and share dive plans
Features
Read full description

Meet Decosoft - your tech diving planner in your pocket. Benefit from a variety of features that help you compose the best dive plan. Easily prepare for your adventure ahead so you can enjoy every dive to the fullest. Main features: - User-friendly interface, designed to simplify dive planning - Bühlmann decompression model with gradient factors - Advanced dive settings - Detailed runtime table with graph, gas consumption and more dive details - Easy lost-gas preview of the dive plan - Support for Open Circuit (OC) and Closed Circuit Rebreathers (CCR) - Repetitive dives - Save tanks and plans for further use - Share your dives with others Diving calculators included: - Maximum bottom time - SAC - Surface air consumption - MOD - Maximum operational depth - END - Equivalent narcotic depth - EAD - Equivalent air depth - Best mix for depth - Gas blending Dive safely, dive with Decosoft. Try today!

Screenshots

Pro Dive4 screens
Decosoft4 screens

Verdict

The call

The clearest difference is update cadence: Decosoft at every 2 weeks against Pro Dive's every 5 weeks. Decosoft also leads on iOS requirement (16.4 vs 18.0). 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. Pro Dive sells 3 in-app purchases, starting at $6.99 per month and Decosoft sells 8 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Pro Dive ships an update every 5 weeks, Decosoft every 2 weeks. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.

Scorecard2 real differences · 6 level
Pro Dive versus Decosoft: the parameters behind the verdict, then further details
ParameterPro DiveDecosoft
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.016.4 — better
Further details — not scored
Size32 MB47 MB
Age rating4+4+
DeveloperMillennium LtdDecosoft s.r.o.

In-app purchases

3 purchases

Pro Dive

Subscriptions2
  • Pro Dive monthly$6.991 Month
  • Pro Dive anual$59.991 Year
One-time1
  • Pro Dive Lifetime$139.99
8 purchases

Decosoft

Subscriptions5
  • Monthly Partner1 Month trial$3.991 Month
  • Monthly14 Days trial$3.991 Month
  • Annual Partners1 Year trial$39.991 Year
Show 2 more
  • Ultimate14 Days trial$39.991 Year
  • Ultimate Offer1 Year trial$39.991 Year
One-time3
  • Ultimate$20.99
  • Ultimate$23.99
  • Ultimate$29.99

Questions

Is Pro Dive free?
Pro Dive is free to download, with in-app purchases available.
Is Decosoft free?
Decosoft is free to download, with in-app purchases available.
Do Pro Dive or Decosoft have ads?
Neither Pro Dive nor Decosoft shows ads.
Which is updated more often, Pro Dive or Decosoft?
Pro Dive ships an update every 5 weeks, and Decosoft every 2 weeks. Most recently, Pro Dive was updated on September 19, 2026 and Decosoft on September 21, 2026.

Other comparisons