Comparison

Deep Tools vs Dive Planner Calculator

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 comprehensive dive toolkit helps recreational, advanced, and technical divers plan dives, log underwater adventures, and blend gases. It offers advanced planning tools, dive computer import, and essential calculations for safe and efficient diving.

Highlights
  • Advanced Deco Planner
  • Dive Log with Shearwater import
  • Gas Blender for Trimix/Nitrox
  • Maximum Operating Depth (MOD) calculator
  • No Decompression Limit (NDL) tracking
  • Metric and Imperial units
Features
Read full description

The Complete Dive Toolkit Deep Tools is a must-have application for recreational, advanced, and technical divers. Whether you are learning to dive, planning complex decompression dives, or logging your underwater adventures, Deep Tools provides reliable tools you can trust. Import dives directly from your Shearwater dive computer, plan dives using the advanced Deco Planner, or use the app as a practical learning aid during your dive training. Tools included:
 - 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 Trimix for depth - Best Nitrox for depth - Gas consumption and density - Calculator for lifting bag Dive Log: * - Import dives from Shearwater dive computers (Petrel, Perdix, NERD, Teric, etc.) - Log dive sites with name, coordinates, and custom tags - Automatically merge dives with short surface intervals - Share logged dives with your buddies - Create local backups or migrate data to another device Advanced Dive Planner: * Plan complex dives with confidence, whether on Open Circuit (OC) or Rebreather (CCR): - Repetitive dive planning - Bühlmann ZH-L16B and ZH-L16C with Gradient Factors - Gas consumption, CNS, and OTU calculations - Visual dive profile, text plan, pressure graph, and slate view - Lost gas planning - CCR Bailout planning - Multiple point dive plan with custom bailout points - Share dive plans with friends Gas Blender: * Prepare accurate breathing gas mixtures: - Trimix and Nitrox blending - Mix to desired gas - Mix with Top-off gas - Continuous flow blending Additional Features - Metric and Imperial units - Adjustable altitude and water type (EN13319, salt, fresh) - Set your altitude - Custom tank / cylinder database * Advanced features are available with a subscription or during the free trial. Special thanks to V. Paul Gordon, Serge Nelissen and Michael Heus for extensive testing and valuable contributions! Terms of Service: http://www.deepblue.si/privacy/terms-of-service.php

About

Dive Planner Calculator

This app simplifies recreational dive planning by calculating essential dive parameters for up to three consecutive dives. It provides automatic calculations for residual nitrogen, safe ascent times, and includes a visual dive graph for easy review. Designed for both new and experienced divers, it ensures adherence to safety standards for stress-free underwater exploration.

Highlights
  • Plan up to three consecutive dives
  • Automatic calculation of dive parameters
  • Surface interval tracking
  • Visual dive graph
  • Adherence to safety guidelines
  • On-the-go convenience
Features
Read full description

Dive deeper with confidence! Our all-in-one dive planner helps you schedule up to three consecutive recreational dives while adhering to internationally recognized safety standards—no extra gear or complicated tables needed. Quickly input depth, bottom time, and surface interval, and let the app do the rest. It calculates everything from your residual nitrogen levels to safe ascent times, so you can focus on the thrill of underwater exploration. But that’s not all: the built-in dive graph gives you a clear picture of each dive profile at a glance. Use it to review important parameters, ensure your safety stops are in check, and share your plan with buddies for added peace of mind. Whether you’re exploring colorful reefs or searching for hidden wrecks, our app streamlines your dive prep so you can spend less time planning and more time submerged in aquatic adventures. Key Features: - Three consecutive dives: Plan a single day of diving or multiple hops in a breeze. - Automatic calculations: Enter depth and time, and instantly get your essential numbers for each stage—no guesswork. - Surface interval tracking: Precisely manage how much downtime you need between dives to optimize your underwater exploration. - Clear visual graph: See your dive profiles laid out in an easy-to-read chart, simplifying complex depth/time data into an intuitive visual. - Safe & flexible: Follows widely acknowledged recreational diving guidelines to keep you within safe no-decompression limits. - On-the-go convenience: All your dive data in one place, on your device, ready whenever you need it—even on the boat. Our dive planner is designed for simplicity and accuracy, ensuring you stay within recommended limits for safe, stress-free diving. From new divers still mastering safety stops to seasoned pros mapping multiple drop points, it’s the perfect pocket companion. Download now, streamline your planning, and enjoy more bubbles, less hassle! Dive safe, dive smart, and make every underwater journey unforgettable.

Screenshots

Deep Tools4 screens
Dive Planner Calculator3 screens

Verdict

The call

The clearest difference is price: Deep Tools at Free against Dive Planner Calculator's $8.99. Deep Tools also leads on rating (4.6 vs 3.3) and update cadence (every 6 weeks vs every 7 months). Dive Planner Calculator's advantage is in-app purchases (none vs 3) and review sentiment (67% vs 50%). On 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

Deep Tools is free to download; Dive Planner Calculator costs $8.99 up front. Deep Tools sells 3 in-app purchases, starting at $2.99 per month. Dive Planner Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Deep Tools holds the better App Store score, 4.6 against 3.3. That said, the two scores are not equally well evidenced: Deep Tools has 93 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 50% of Deep Tools's written reviews are positive against 67% of Dive Planner Calculator's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Deep Tools ships an update every 6 weeks, Dive Planner Calculator every 7 months. The most recent releases landed on September 15, 2026 and September 2, 2026 respectively.

Scorecard8 real differences · 2 level
Deep Tools versus Dive Planner Calculator: the parameters behind the verdict, then further details
ParameterDeep ToolsDive Planner Calculator
PriceFree — better$8.99
Rating4.6 (93 ratings) — better3.3 (3 ratings)
Positive reviews50.0% of reviews66.7% of reviews — better
Number of ratings93 — better3
Update frequencyEvery 6 weeks — betterEvery 7 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.611.0 — better
Further details — not scored
Size12 MB10 MB
Age rating4+4+
DeveloperDeep Blue d.o.o.SAGA Virtual Tecnologia Ltda

Customer experience

Deep Tools

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

Dive Planner Calculator

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

3 purchases

Deep Tools

Subscriptions2
  • Subscription Monthly$2.991 Month
  • Subscription Yearly3 Days trial$17.991 Year
One-time1
  • Lifetime Subscription$39.99
None

Dive Planner Calculator

No in-app purchases

Questions

Is Deep Tools free?
Deep Tools is free to download, with in-app purchases available.
Is Dive Planner Calculator free?
Dive Planner Calculator costs $8.99, with no in-app purchases.
Which has better reviews, Deep Tools or Dive Planner Calculator?
Deep Tools is rated higher. Deep Tools averages 4.6 out of 5 from 93 ratings, while Dive Planner Calculator averages 3.3 from 3 ratings.
Do Deep Tools or Dive Planner Calculator have ads?
Neither Deep Tools nor Dive Planner Calculator shows ads.
Which is updated more often, Deep Tools or Dive Planner Calculator?
Deep Tools ships an update every 6 weeks, and Dive Planner Calculator every 7 months. Most recently, Deep Tools was updated on September 15, 2026 and Dive Planner Calculator on September 2, 2026.

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