Diveplanner Tec & Rec vs Poseidon Reef
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide 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 EN13319) 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
Poseidon Reef
This app helps divers log, plan, and analyze their dives. It offers detailed overviews, customizable dive logs, and advanced planning for various dive types. Connect your dive computer to manage data and firmware.
- Comprehensive dive logging
- Detailed dive planning
- Support for OC and CCR dives
- Unlimited tank support
- Decompression model selection
- Dive computer connectivity
- Cloud backup and firmware updates
Read full descriptionHide full description
Dive into the deep with Reef, the ultimate tool for every diver regardless of experience, level, or dive style. Designed to enhance and prolong your passion for diving, Reef seamlessly extends your diving experience, both before and after the actual dive. With Reef in your pocket, you're always ready to explore. Dive Log > Get a comprehensive and detailed overview of all your dives. > Easily sort and filter to find specific dives. > Import and export dives effortlessly. > Personalize dives with custom details, photos, location and more. > Engage with your dives using the interactive chart functionality. > Visualize intricate data like tank pressures, pO2, loop temperature, etc.* > Choose the data points you want to see > Zoom in on portions of the dive you are interested in Planner > Keep track of all your upcoming dives with a comprehensive overview. > Sort, filter, and organize your dive plans. > Plan for a single dive or a series of dives. > Suitable for OC (Open Circuit) and CCR (Closed Circuit Rebreather) dives. > Supports an unlimited number of tanks. > Choose between DCAP and Buhlmann decompression models. > Bailout scenario > Configure gas content Device Manager > Connect your Poseidon M28 dive computer through WiFi > View details about connected submodules. > Download, store, and back up your dives in the cloud. > Access vital service information > Monitor total dive time > Stay updated with firmware information. *Only available with Poseidon M28 dive computer
Screenshots
Verdict
The clearest difference is in-app purchases: Poseidon Reef at none against Diveplanner Tec & Rec's 3. Poseidon Reef also leads on update cadence (every 5 weeks vs every 3 months). Diveplanner Tec & Rec's advantage is ads (none vs shown) and review sentiment (20% vs 0%). On price, rating, device support and iOS requirement 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
Both are free to download. Diveplanner Tec & Rec sells 3 one-off in-app purchases. Poseidon Reef asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 3.1 for Diveplanner Tec & Rec against 3.0 for Poseidon Reef. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews are what separate them: 20% of Diveplanner Tec & Rec's written reviews are positive against 0% of Poseidon Reef's.
Diveplanner Tec & Rec ships an update every 3 months, Poseidon Reef every 5 weeks. The most recent releases landed on August 19, 2026 and June 2, 2026 respectively.
| Parameter | Diveplanner Tec & Rec | Poseidon Reef |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (7 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 20.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 7 — better | 2 |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Requires iOS | 13.0 | 12.1 — better |
| Further details — not scored | ||
| Size | 37 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Sensetrails LLC | Poseidon Diving Systems AB |
Customer experience
Diveplanner Tec & Rec
Poseidon Reef
In-app purchases
Diveplanner Tec & Rec
- Two weeks free trialFree
- Tec Basic$7.99
- Tec Advanced$19.99
Poseidon Reef
No in-app purchases
Questions
Is Diveplanner Tec & Rec free?
Is Poseidon Reef free?
Which has better reviews, Diveplanner Tec & Rec or Poseidon Reef?
Do Diveplanner Tec & Rec or Poseidon Reef have ads?
Which is updated more often, Diveplanner Tec & Rec or Poseidon Reef?
Other comparisons















