Comparison

Ez Dive Planner vs Nitrox Buddy

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

Head to head
About

Ez Dive Planner

This app simplifies dive planning using PADI dive tables. It automatically calculates pressure groups, minimum surface intervals, and no-decompression limits for multiple dives. Easily plan your dives by entering depth and time for each dive and your surface interval.

Highlights
  • PADI dive table integration
  • Automatic pressure group calculation
  • Minimum surface interval calculation
  • No-decompression limit calculation
  • Supports feet or meters
  • Clear and simple interface
Features
Read full description

Ez Dive Planner is an easy to use and simple dive planner using PADI dive tables with a clear display you already understand. It automatically calculates your pressure groups and can even find your minimum surface interval. It’s quick and simple and super easy to use. To calculate your pressure groups just enter your depth (feet or meters) and time (min) for your first dive. Then enter your surface interval between dives in minutes. After that enter your second dive depth and time the same way, and the program will calculate your final PG, ABT, RNT, TBT and new no decompression limit. To calculate your minimum surface interval between dives enter the depth and time of your first dive. Then enter the depth and time of your second dive. The program will now find your minimum surface interval and then calculate your final PG, ABT, RNT, TBT and new no decompression limit. This program uses only the standard PADI dive tables. It can NOT calculate reverse profile dives. Reverse profile dives are when the second dive is deeper than the first. Unless you absolutely know what you are doing always dive shallower than the last dive. Disclaimer: This application is not a replacement for diving tables, dive computers, or experience. Please do not rely on Ez Dive Planner as your sole dive planner and make sure to double check all information before diving. Ez Dive Planner will not be held liable for misuse of this product or the data that it gives. Diving is a risky sport and safety should always be first.

About

Nitrox Buddy

This application serves as a straightforward calculator for nitrox and enriched air divers. It quickly computes essential dive data such as Maximum Operating Depth (MOD), Equivalent Air Depth (EAD), Best Mix, and Partial Pressure of Oxygen (PPO2). It supports both imperial and metric units and offers a companion watch app for on-the-go calculations.

Highlights
  • Calculate MOD, EAD, Best Mix, PPO2
  • Imperial and metric unit support
  • Sea and fresh water options
  • Selectable max oxygen content
  • Selectable max partial pressure
  • Companion watch app
Features
Read full description

Nitrox Buddy is a no-frills calculator app for nitrox/enriched air divers - use it to quickly calculate the most important data for your dive: Maximum Operating Depth/MOD, Equivalent Air Depth/EAD, Best Mix and PPO2. The app works with imperial or metric measurements, sea or fresh water, and allows you to select the maximum oxygen content and partial pressure. A companion watch app puts lets you perform all these calculations on your wrist.

Screenshots

Ez Dive Planner4 screens
Nitrox Buddy4 screens

Verdict

The call

The clearest difference is review sentiment: Nitrox Buddy at 96% against Ez Dive Planner's 5%. Nitrox Buddy also leads on price (Free vs $0.99) and rating (4.9 vs 2.0). Ez Dive Planner's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 26.0). On 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

Nitrox Buddy is free to download; Ez Dive Planner costs $0.99 up front. Nitrox Buddy sells 1 one-off in-app purchase. Ez Dive Planner asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Nitrox Buddy holds the better App Store score, 4.9 against 2.0. That said, the two scores are not equally well evidenced: Nitrox Buddy has 468 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 5% of Ez Dive Planner's written reviews are positive against 96% of Nitrox Buddy's.

UpkeepUpdate frequency

Ez Dive Planner ships an update every 16 months, Nitrox Buddy every 7 months. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

Scorecard8 real differences · 2 level
Ez Dive Planner versus Nitrox Buddy: the parameters behind the verdict, then further details
ParameterEz Dive PlannerNitrox Buddy
Price$0.99Free — better
Rating2.0 (8 ratings)4.9 (468 ratings) — better
Positive reviews5.0% of reviews95.7% of reviews — better
Number of ratings8468 — better
Update frequencyEvery 16 monthsEvery 7 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPod, Apple Watch
Requires iOS8.0 — better26.0
Further details — not scored
Size11 MB6 MB
Age rating4+4+
DeveloperNew Vision Promotions LLCGereon Steffens

Customer experience

Ez Dive Planner

All ratings8 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews40 reviews
Positive5.0%
Neutral5.0%
Negative90.0%

Nitrox Buddy

All ratings431 ratings
Positive97.7%
Neutral1.6%
Negative0.7%
Written reviews47 reviews
Positive95.7%
Neutral0.0%
Negative4.3%

Bugs and requests

Ez Dive Planner

Not enough reviews yet to summarise bugs or requests.

Nitrox Buddy

Reported bugs

4 issues
  • iPad icon is ugly
  • MOD limit of 50% O2 despite 100% O2 setting (resolved)
  • MOD limit of 40% O2 (older version)
  • Does not work with older iOS versions

Requested features

4 requests
  • Add MOD 1.5 option
  • Allow MOD calculation up to 100% O2 and indicate max exposure duration
  • Change color for inappropriate mixes (e.g., 50% at 40m)
  • Support older iOS versions (5 & 6)

In-app purchases

None

Ez Dive Planner

No in-app purchases

1 purchases

Nitrox Buddy

One-time1
  • Tip$0.99

Questions

Is Ez Dive Planner free?
Ez Dive Planner costs $0.99, with no in-app purchases.
Is Nitrox Buddy free?
Nitrox Buddy is free to download, with in-app purchases available.
Which has better reviews, Ez Dive Planner or Nitrox Buddy?
Nitrox Buddy is rated higher. Ez Dive Planner averages 2.0 out of 5 from 8 ratings, while Nitrox Buddy averages 4.9 from 468 ratings.
Do Ez Dive Planner or Nitrox Buddy have ads?
Neither Ez Dive Planner nor Nitrox Buddy shows ads.
Which is updated more often, Ez Dive Planner or Nitrox Buddy?
Ez Dive Planner ships an update every 16 months, and Nitrox Buddy every 7 months. Most recently, Ez Dive Planner was updated on October 15, 2026 and Nitrox Buddy on October 14, 2026.

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