Comparison

Diveplanner Tec & Rec vs Simple Nitrox

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

Plan your technical or recreational dives in seconds on your iPhone, iPad and Mac ! Diveplanner is a full featured planner for technical and recreational scuba diving. It features various modules to quickly plan one or multiple dives including gas contingency and oxygen toxicity. Diveplanner was designed as a safe and reliable tool for divers. It helps plan technical and recreational dives quickly and easily and to share the schedule instantly with your dive buddy. Dive planning module: • Open Circuit / CCR, multi gas, decompression dive schedules up to 300 m/985 ft deep in fresh water or saltwater (including E​N13319) at sea level or altitude • Uses Bühlmann decompression model ZH16L-C with user selectable gradient factors as conservatism • Multi level dive instructions • Full automatic gas switch (from the list of selected gas for the dive) or manual gas switch or a mix of both • Full automatic contingency plans computation (lost decompression or travel gas) and ++ (too long/too deep) plans • Automatic bailout plan computation in CCR mode • Various information, caution or warnings for deep END, high or low PPO2, Setpoint, ICD, vestibular DCS due to ICD on gas switch • Computation of gas requirement and gas weight • Account for up to 6 consecutive dives with surface interval to account for residual saturation at start of the current dive • Works in Metric or Imperial units Dive table module: • Open Circuit / CCR, multi gas decompression dive table up to 66 m/210 ft deep and 60 min bottom time, in freshwater or saltwater (​including EN13319) at sea level or altitude • Uses Bühlmann decompression model ZH16L-C with user selectable gradient factors as conservatism • Account for up to 6 consecutive dives with surface interval to account for residual saturation while computing the dive table • Works in Metric or Imperial units • Translated in English, French and German

About

Simple Nitrox

Features
Read full description

Simple Nitrox provides an easy to use and very visible calculation of Maximum Operating Depth for scuba diving. The most appropriate nitrox mix can also be calculated for a planned depth. Widgets can be added to the Home Screen for up to 5 tanks for easy access to the values for previously analysed tanks and the application. Supports metric and imperial, and o2 up to 99%.

Screenshots

Diveplanner Tec & Rec4 screens
Simple Nitrox3 screens

Verdict

The call

The clearest difference is update cadence: Diveplanner Tec & Rec at every 3 months against Simple Nitrox's every 29 months. Diveplanner Tec & Rec also leads on device support (4 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases 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 and Simple Nitrox sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Diveplanner Tec & Rec ships an update every 3 months, Simple Nitrox every 29 months. The most recent releases landed on August 19, 2026 and September 12, 2026 respectively.

Scorecard3 real differences · 7 level
Diveplanner Tec & Rec versus Simple Nitrox: the parameters behind the verdict, then further details
ParameterDiveplanner Tec & RecSimple Nitrox
PriceFreeFree
Rating3.1 (7 ratings) — better—
Positive reviews20.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 3 months — betterEvery 29 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size37 MB2 MB
Age rating4+4+
DeveloperSensetrails LLCSimon Chivers

In-app purchases

3 purchases

Diveplanner Tec & Rec

One-time3
  • Two weeks free trialFree
  • Tec Basic$7.99
  • Tec Advanced$19.99
1 purchases

Simple Nitrox

One-time1
  • Simple Nitrox Full Access$0.99

Questions

Is Diveplanner Tec & Rec free?
Diveplanner Tec & Rec is free to download, with in-app purchases available.
Is Simple Nitrox free?
Simple Nitrox is free to download, with in-app purchases available.
Do Diveplanner Tec & Rec or Simple Nitrox have ads?
Neither Diveplanner Tec & Rec nor Simple Nitrox shows ads.
Which is updated more often, Diveplanner Tec & Rec or Simple Nitrox?
Diveplanner Tec & Rec ships an update every 3 months, and Simple Nitrox every 29 months. Most recently, Diveplanner Tec & Rec was updated on August 19, 2026 and Simple Nitrox on September 12, 2026.

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