Comparison

Nitrox Tools vs Baltic Deco Planner

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

Head to head
About

Nitrox Tools

This app provides essential tools for divers to plan and blend enriched air nitrox. It calculates dive parameters like equivalent air depth and maximum operating depth, and supports various blending methods for custom gas mixes. Easily switch between metric and imperial units and save custom settings for frequent use.

Highlights
  • Enriched air nitrox blending
  • Dive planning calculations
  • Equivalent Air Depth (EAD)
  • Partial Pressure of Oxygen (PPO2)
  • Maximum Operating Depth (MOD)
  • Save custom mixes and settings
  • Metric/Imperial unit switching
Features
Read full description

Enriched Air Nitrox blending and planning tools in your hand and available at a touch. You can use these tools at your air station to provide the information you need to fill a Nitrox tank from any existing mix (or empty). Dive Planning tools provide your Equivalent Air Depth, PPO2 at your planned depth, Maximum & Contingency Operating Depth at various oxygen partial pressures and the "best mix" for a planned depth and oxygen partial pressure. You can easily switch between Metric and Imperial/U.S. systems of measurement to adapt to a new fill station. The dive planning tools also support both salt and fresh water calculations. Chances are you regularly work with a specific set of mixes and and common dive situations. Nitrox Tools includes the convenience of saved settings that you can recall at a touch and adjust to a new situation as needed. You can also select mix values using pre-installed default mixes or your own saved custom mixes. When updating one of the mixes for a tool you are offered a list of saved mixes that you can use directly or adjust as needed. You can save the currently displayed mix by clicking the "+" button. Just like with the saved calculations, you can re-arrange or delete any mixes in your saved list. Do you need to share your planning or blending calculations with other divers? All the tools have the ability to share the results of the calculations from within the application. You can set default email addresses and a subject within Nitrox Tool's settings that will be automatically added when you share a result. Nitrox Tools supports a number of blending methods: • Top Up - blend a final mix from starting mix and pressure using 100% oxygen and air or any available topping mix. • Bleed Down - save expensive oxygen and valuable time by easily calculating how much gas to bleed from an existing cylinder to switch to a different mix using air or any available topping mix. • Mix + Mix - make a specific final mix using the remaining gas in the cylinder and mixing that with banked Nitrox (rather than pure oxygen) and air or another topping mix. This enables the blending of Nitrox without the use of pure oxygen for certain combinations of mixes. Avoiding pure oxygen may increase the safety of the blending process and help manage the cost. • Top Off - determine the expected result from topping an existing cylinder with air or some other topping mix. This situation is common when a diver wants to have the blender top the mix remaining from the first dive with air from the boat's compressor. Remember you must always personally analyze your mix before diving it. This application is not a substitute for proper training and should not be used as a substitute for proper dive planning or the primary Nitrox blending and planning methods taught during training. Please do not attempt to handle high pressure oxygen or fill SCUBA cylinders without proper training.

About

Baltic Deco Planner

Plan complex technical dives with support for various breathing apparatus and gas mixes. Features advanced decompression algorithms, gas consumption tracking, and contingency profile planning. Easily store, export, and reuse dive plans.

Highlights
  • Decompression dive planning
  • Open circuit and rebreather support
  • Multi-level and repetitive dive support
  • Gas consumption and OTU/CNS tracking
  • Contingency profile planning
  • VPM-B and ZHL16-B algorithms
  • Dive plan storage and export
Features
Read full description

Tool for planning staged decompression dives for technical divers. Supports open circuit and closed circuit rebreathers, multi-level and repetitive dives, nitrox, trimix, altitude adjustments, metric and imperial measurements. Keeps track of gas consumption, OTUs and CNS. Per dive configurable ascent/descent rates, last stop/stop interval settings and RMV/MOR. Any combination of OC and CCR planning is possible (CCR dives with OC levels/deco etc.). One tap access to lost-gas, bailout, deeper & longer contingency profiles. Constantly displays updated plan details as changes are made, and uses color highlighting to suggest best mixes. Dive plans can be stored in a bookmark folder for convenient reuse. Plans can also be exported via email or pasted into any other app. Features both VPM-B (based on Erik C. Bakers work) with configurable conservatism and ZHL16-B with configurable gradient factors for calculating decompression profiles. Also supports VPM-B/GFS. Please see www.balticdecoplanner.com for more info, bug tracking and support.

Screenshots

Nitrox Tools4 screens
Baltic Deco Planner4 screens

Verdict

The call

The clearest difference is price: Nitrox Tools at $5.99 against Baltic Deco Planner's $18.99. Nitrox Tools also leads on rating (5.0 vs 4.7) and device support (4 vs 2). Baltic Deco Planner's advantage is ratings volume (49 vs 4) and update cadence (every 2 months vs every 5 months). On review sentiment, 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

CostPrice · In-app purchases · Ads · Monetization

Nitrox Tools costs $5.99 and Baltic Deco Planner $18.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Nitrox Tools holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Baltic Deco Planner has 49 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 88% of Nitrox Tools's written reviews are positive against 91% of Baltic Deco Planner's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Nitrox Tools ships an update every 5 months, Baltic Deco Planner every 2 months. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

Scorecard6 real differences · 4 level
Nitrox Tools versus Baltic Deco Planner: the parameters behind the verdict, then further details
ParameterNitrox ToolsBaltic Deco Planner
Price$5.99 — better$18.99
Rating5.0 (4 ratings) — better4.7 (49 ratings)
Positive reviews88.5% of reviews91.3% of reviews — better
Number of ratings449 — better
Update frequencyEvery 5 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPod
Requires iOS15.611.0 — better
Further details — not scored
Size7 MB4 MB
Age rating4+4+
DeveloperGreg MclaughlinEskil Olsen

Customer experience

Nitrox Tools

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews26 reviews
Positive88.5%
Neutral0.0%
Negative11.5%

Baltic Deco Planner

All ratings49 ratings
Positive95.9%
Neutral2.0%
Negative2.0%
Written reviews92 reviews
Positive91.3%
Neutral4.3%
Negative4.3%

In-app purchases

None

Nitrox Tools

No in-app purchases

None

Baltic Deco Planner

No in-app purchases

Questions

Is Nitrox Tools free?
Nitrox Tools costs $5.99, with no in-app purchases.
Is Baltic Deco Planner free?
Baltic Deco Planner costs $18.99, with no in-app purchases.
Which has better reviews, Nitrox Tools or Baltic Deco Planner?
Nitrox Tools is rated higher. Nitrox Tools averages 5.0 out of 5 from 4 ratings, while Baltic Deco Planner averages 4.7 from 49 ratings.
Do Nitrox Tools or Baltic Deco Planner have ads?
Neither Nitrox Tools nor Baltic Deco Planner shows ads.
Which is updated more often, Nitrox Tools or Baltic Deco Planner?
Nitrox Tools ships an update every 5 months, and Baltic Deco Planner every 2 months. Most recently, Nitrox Tools was updated on October 13, 2026 and Baltic Deco Planner on October 11, 2026.

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