Comparison

Diveplanner Tec & Rec vs Diving Calculator

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

Head to head
About

Diveplanner Tec & Rec

Plan technical and recreational scuba dives with detailed gas management, decompression schedules, and contingency planning. This tool helps divers quickly create and share dive plans for various depths and conditions.

Highlights
  • Technical and recreational dive planning
  • Multi-gas and CCR dive schedules
  • Bühlmann decompression model (ZH16L-C)
  • Automatic contingency plans
  • Gas requirement and weight calculation
  • Dive table generation
  • Metric and Imperial units
Features
Read full description

Diveplanner Tec & Rec plans recreational and technical dives, on open circuit or closed circuit rebreather (CCR), in a few taps, and keeps your logbook. PLAN • Bühlmann ZH-L16C decompression model with your gradient factors • Open circuit and CCR, down to 300 m / 985 ft, in salt, fresh or EN 13319 water, at sea level or at altitude • Multi-level dives, multi-gas decompression with automatic or chosen switch depths • Contingency plans computed for you: deeper, longer, lost deco gas, GF 100 and the CCR bailout • Warnings for ppO2, END, gas density, isobaric counter diffusion, CNS and OTU • The decompression chart of each plan: the profile, the tissues' ceilings at GF 100 and at your gradient factors, the leading tissue • A dive day of as many repetitive dives as you need, with their surface intervals • Saved plans in folders, shared as files GAS • Describe your cylinders: the plan gives the pressure at the end of the dive, the turn pressure, the rock bottom and the maximum bottom time your gas allows • Gas needed by volume and weight, per gas TABLES • Dive tables by depth and bottom time for your own gases, gradient factors and conditions, with the previous dives of the day • Share or print the table as a PDF TOOLS • Gas blender: partial pressure blending of nitrox, trimix and heliox from what is left in the cylinder, ideal or real gas; the best mix for a depth from your ppO2, END and gas density limits, and the cylinder label • Tides: the tide of a day anywhere at sea, from the nearest NOAA tide station or the EOT20 global tide model, its high and low waters, and the tidal currents and slack waters of a nearby current station, read to the minute on the chart LOGBOOK • Log your dives by hand, from a plan, or download them over Bluetooth from a Shearwater dive computer (Petrel 2, Perdix, Perdix AI, Nerd 2, Teric, Peregrine), with the profile, stops, gases and sensor values • Photos, dive sites on a map, statistics, tags, search and filters • Synchronised between your iPhone, iPad and Mac with iCloud • Export to UDDF, Subsurface, CSV, a PDF logbook and .divelog archives; import UDDF and Subsurface SHARE • Ready-to-cut dive schedules as a PDF, for your buddy or your slate: every plan, the gas and cylinders, CNS, OTU and warnings EVERYWHERE • iPhone, iPad and Mac • Metric or imperial units • In 12 languages, each with its user guide LICENCES • Rec, free: one gas, air or nitrox up to 40 %, down to 66 m / 210 ft • Tec Basic: up to 3 gases, nitrox up to 100 %, normoxic trimix and triox • Tec Advanced: unlimited gases and depth, hypoxic trimix • Try every feature free for 2 weeks Diveplanner is a planning aid. It does not replace training, experience, a dive computer or your own judgement: always dive within the limits of your certification.

About

Diving Calculator

Read full description

Diving Calculator is an app designed for divers of all levels who seek to simplify the necessary calculations for a safe and efficient dive. The app includes several tools that allow users to calculate air consumption, determine the maximum dive depth without needing to make decompression stops, and ensure they have all the necessary equipment for their underwater adventure. On the main screen, the Diving Calculator allows users to access three main features: Dive Time Calculator: This tool allows the diver to input data such as air tank capacity, initial pressure, and depth to calculate how many liters of air will be consumed during the dive and how many bars the tank should have before diving. Decompression Stop Calculator: Based on the depth and dive time, the app simulates the behavior of a dive computer, providing the user with the necessary information to know how long they can stay at a given depth without making decompression stops. Equipment Checklist: The app includes a complete checklist with all the essential gear for a safe dive. From the regulator to the wetsuit, users can ensure they don't forget any equipment before getting into the water. The design of the Diving Calculator is visually appealing, using blue tones that evoke the underwater environment. The interface is intuitive, allowing both novice and experienced divers to use the app without complications. This tool is an indispensable companion for planning safe dives, allowing users to focus on enjoying their underwater experience, knowing they have performed all the key calculations accurately. Diving Calculator is an essential tool for any diving enthusiast who wants to ensure their safety underwater, optimizing air consumption and minimizing risks during the dive.

Screenshots

Diveplanner Tec & Rec4 screens
Diving Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Diving Calculator at none against Diveplanner Tec & Rec's 3. Diving Calculator also leads on update cadence (weekly vs every 3 months) and iOS requirement (12.0 vs 17.0). On price, 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. Diveplanner Tec & Rec sells 3 one-off in-app purchases. Diving Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Diveplanner Tec & Rec ships an update every 3 months, Diving Calculator weekly. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
Diveplanner Tec & Rec versus Diving Calculator: the parameters behind the verdict, then further details
ParameterDiveplanner Tec & RecDiving Calculator
PriceFreeFree
Rating3.1 (7 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings7 — better—
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.012.0 — better
Further details — not scored
Size83 MB33 MB
Age rating4+4+
DeveloperSensetrails LLCAlberto Segovia

In-app purchases

3 purchases

Diveplanner Tec & Rec

One-time3
  • Two weeks free trialFree
  • Tec Basic$7.99
  • Tec Advanced$19.99
None

Diving Calculator

No in-app purchases

Questions

Is Diveplanner Tec & Rec free?
Diveplanner Tec & Rec is free to download, with in-app purchases available.
Is Diving Calculator free?
Diving Calculator is free to download, with no in-app purchases.
Do Diveplanner Tec & Rec or Diving Calculator have ads?
Neither Diveplanner Tec & Rec nor Diving Calculator shows ads.
Which is updated more often, Diveplanner Tec & Rec or Diving Calculator?
Diveplanner Tec & Rec ships an update every 3 months, and Diving Calculator weekly. Most recently, Diveplanner Tec & Rec was updated on October 16, 2026 and Diving Calculator on October 6, 2026.

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