Diveplanner Tec & Rec vs Decosoft
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diveplanner Tec & Rec
Plan complex recreational and technical dives with advanced decompression models and multi-gas support. Log your dives, manage gas blends, and restore underwater photo colors. Syncs across Apple devices.
- Bühlmann ZH-L16C and Thalmann decompression models
- Open circuit and CCR dive planning
- Multi-gas decompression support
- Contingency plan computation
- Gas blending and cylinder management
- Underwater photo color correction
- Bluetooth dive computer data import
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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, or the Thalmann algorithm of the U.S. Navy: VVal-79 for air and nitrox, XVal-He-9 for heliox CCR dives; compare a plan with both • 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 • Photo colors: restore the true colors of your underwater photos and videos, their blue or green cast, haze and missing red corrected, with the depth of your logged dive; compare before and after, then save or share 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.
Decosoft
Plan your dives with this comprehensive tech diving tool. It offers a user-friendly interface, advanced decompression models, and various dive calculators to ensure safe and enjoyable underwater adventures. Save, share, and prepare for every dive with detailed insights.
- User-friendly dive planning interface
- Bühlmann decompression model
- Detailed runtime table with graphs
- Support for OC and CCR
- Multiple dive calculators
- Save and share dive plans
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Meet Decosoft - your tech diving planner in your pocket. Benefit from a variety of features that help you compose the best dive plan. Easily prepare for your adventure ahead so you can enjoy every dive to the fullest. Main features: - User-friendly interface, designed to simplify dive planning - Bühlmann decompression model with gradient factors - Advanced dive settings - Detailed runtime table with graph, gas consumption and more dive details - Easy lost-gas preview of the dive plan - Support for Open Circuit (OC) and Closed Circuit Rebreathers (CCR) - Repetitive dives - Save tanks and plans for further use - Share your dives with others Diving calculators included: - Maximum bottom time - SAC - Surface air consumption - MOD - Maximum operational depth - END - Equivalent narcotic depth - EAD - Equivalent air depth - Best mix for depth - Gas blending Dive safely, dive with Decosoft. Try today!
Screenshots
Verdict
The clearest difference is review sentiment: Decosoft at 100% against Diveplanner Tec & Rec's 43%. Decosoft also leads on update cadence (every 2 weeks vs every 2 months). On price, ads, in-app purchases and monetization model 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 and Decosoft sells 8 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Diveplanner Tec & Rec ships an update every 2 months, Decosoft every 2 weeks. Both last shipped on November 3, 2026.
| Parameter | Diveplanner Tec & Rec | Decosoft |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (7 ratings) — better | — |
| Positive reviews | 42.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 — better | — |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 96 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Sensetrails LLC | Michael Czolko |
Customer experience
Diveplanner Tec & Rec
Decosoft
In-app purchases
Diveplanner Tec & Rec
- Two weeks free trialFree
- Tec Basic$7.99
- Tec Advanced$19.99
Decosoft
- Monthly Partner1 Month trial$3.991 Month
- Monthly14 Days trial$3.991 Month
- Annual Partners1 Year trial$39.991 Year
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- Ultimate14 Days trial$39.991 Year
- Ultimate Offer1 Year trial$39.991 Year
- Ultimate$20.99
- Ultimate$23.99
- Ultimate$29.99
Questions
Is Diveplanner Tec & Rec free?
Is Decosoft free?
Do Diveplanner Tec & Rec or Decosoft have ads?
Which is updated more often, Diveplanner Tec & Rec or Decosoft?
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