Comparison

Deep Tools vs DecoPlanner mobile

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

Head to head
About

Deep Tools

This app is a comprehensive tool for divers, offering dive planning, logging, and gas blending. It supports recreational, technical, and rebreather diving with advanced decompression planning and dive computer integration. Plan complex dives, log your adventures, and mix gases with precision.

Highlights
  • Decompression dive planning (Bühlmann ZH-L16)
  • Dive log with Shearwater import
  • Nitrox and Trimix gas blending
  • Multiple dive calculators
  • Metric and imperial unit support
  • Multi-level and repetitive dive planning
Features
Read full description

The complete dive planner, dive log and dive calculator app for recreational, technical and rebreather divers. Plan decompression dives with Bühlmann ZH-L16 and gradient factors, import your dives from a Shearwater dive computer, blend nitrox and trimix, and get quick answers to the questions you ask before every dive. All in one app, for open circuit (OC) and CCR. Whether you are in dive training, planning complex deco dives, or logging your underwater adventures, Deep Tools gives you reliable results you can trust. DIVE CALCULATORS - Maximum Operating Depth (MOD) - Oxygen partial pressure (ppO₂) - Equivalent Air Depth (EAD) - Equivalent Narcotic Depth (END) - Equivalent Air Density Depth (EADD) - No Decompression Limit (NDL) - Best nitrox mix for depth - Best trimix mix for depth - Gas consumption (SAC / RMV) and gas density - Lift bag calculator DECO PLANNER * Plan complex dives with confidence on open circuit (OC) or rebreather (CCR): - Bühlmann ZH-L16B and ZH-L16C with gradient factors (GF) - Multi-level and repetitive dive planning - Lost gas plans and CCR bailout planning, with custom bailout points - Gas consumption, CNS and OTU for every dive - Dive profile, run time table, tissue pressure graph and slate view - Share dive plans as a file, text, slate or image DIVE LOG * - Import dives from Shearwater dive computers (Petrel, Perdix, NERD, Teric and more) - Full dive profile with ppO₂, CNS, TTS, SAC and gas density - Dive sites with name, coordinates, map and custom tags - Automatically merge dives with short surface intervals - Share dives with your buddies - Local backup and easy transfer to a new device GAS BLENDER * Mix accurate nitrox and trimix: - Partial pressure blending to the desired gas - Blending with a top-off gas - Continuous flow blending - Gas cost estimate MORE - Metric and imperial units - Altitude diving and water type (salt, fresh, EN13319) - Custom tank / cylinder database - Available in 11 languages * The deco planner, dive log and gas blender are included in Deep Tools Premium. Try them free during the free trial. Deep Tools is a planning aid. It does not replace proper dive training or certification. Special thanks to V. Paul Gordon, Serge Nelissen and Michael Heus for extensive testing and valuable contributions. Terms of Use: https://www.deepblue.si/privacy/terms-of-service.php Privacy Policy: https://www.deepblue.si/privacy/

About

DecoPlanner mobile

Plan complex dive profiles using advanced decompression models. Track multiple gases, manage dive buddies, and visualize dive data with detailed graphs. Choose the version that suits your diving certification level.

Highlights
  • Open/Closed/Passive Semi-Closed Circuit planning
  • ZH-L16 / VPM-B decompression models
  • Gas tracking for multiple gases and dive buddies
  • Gas mixing (partial pressure & continuous blending)
  • Dive profile and tissue compartment graphs
  • Diving level selection (Rec 1 to Unlimited CCR)
Features
Read full description

Features: Open Circuit / Closed Circuit / Passive Semi-Closed Circuit planning ZH-L16 / VPM-B decompression models Convenient grouping of decompression stops Gas tracking of multiple gases and dive buddies Gas mixing through partial pressure and continuous blending Multiple graphs outlining dive profiles and tissue compartment pressures Select the version fitting your current level of diving, from Rec 1 to Unlimited CCR. More information at www.gue.com/store/software/decoplanner-4

Screenshots

Deep Tools4 screens
DecoPlanner mobile4 screens

Verdict

The call

The clearest difference is in-app purchases: DecoPlanner mobile at none against Deep Tools's 3. DecoPlanner mobile also leads on iOS requirement (13.0 vs 17.0). Deep Tools's advantage is review sentiment (50% vs 40%). On price, update cadence, ads 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. Deep Tools sells 3 in-app purchases, starting at $7.99 per month. DecoPlanner mobile asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 13, 2026 and November 11, 2026 respectively.

Scorecard4 real differences · 6 level
Deep Tools versus DecoPlanner mobile: the parameters behind the verdict, then further details
ParameterDeep ToolsDecoPlanner mobile
PriceFreeFree
Rating4.6 (93 ratings) — better—
Positive reviews50.0% of reviews — better40.0% of reviews
Number of ratings93 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size13 MB74 MB
Age rating4+4+
DeveloperDeep Blue d.o.o.Global Underwater Explorers Inc.

Customer experience

Deep Tools

All ratings93 ratings
Positive91.4%
Neutral2.2%
Negative6.5%
Written reviews6 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

DecoPlanner mobile

Written reviews5 reviews
Positive40.0%
Neutral20.0%
Negative40.0%

In-app purchases

3 purchases

Deep Tools

Subscriptions2
  • Subscription Monthly$7.991 Month
  • Subscription Yearly3 Days trial$22.991 Year
One-time1
  • Lifetime Subscription$49.99
None

DecoPlanner mobile

No in-app purchases

Questions

Is Deep Tools free?
Deep Tools is free to download, with in-app purchases available.
Is DecoPlanner mobile free?
DecoPlanner mobile is free to download, with no in-app purchases.
Do Deep Tools or DecoPlanner mobile have ads?
Neither Deep Tools nor DecoPlanner mobile shows ads.
Which is updated more often, Deep Tools or DecoPlanner mobile?
Deep Tools ships an update every 2 months, and DecoPlanner mobile every 2 months. Most recently, Deep Tools was updated on November 13, 2026 and DecoPlanner mobile on November 11, 2026.

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