# Ez Dive Planner vs Nitrox Buddy

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.

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.

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.

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.

## The numbers

| Metric | Ez Dive Planner | Nitrox Buddy |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.0 (8 ratings)](https://appshunter.io/ios/app/ez-dive-planner/id537810707/reviews) | **[4.9 (468 ratings)](https://appshunter.io/ios/app/nitrox-buddy/id572411073/reviews)** |
| Number of ratings | 8 | **468** |
| Positive reviews | 5.0% of reviews | **95.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 7 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 6 MB |
| Requires iOS | **8.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [New Vision Promotions LLC](https://appshunter.io/developer/472054069) | [Gereon Steffens](https://appshunter.io/developer/493030228) |

## What reviewers say

### Ez Dive Planner

[App page](https://appshunter.io/ios/app/ez-dive-planner/id537810707)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Nitrox Buddy

[App page](https://appshunter.io/ios/app/nitrox-buddy/id572411073)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick calculations
- ✅ Accurate results
- 💡 Free to use
- 🎯 Essential for Nitrox divers

**What reviewers complain about**

- 📱 Ugly iPad icon
- ⚠️ MOD calculation limited to 40% O2 in older versions
- ⚠️ MOD calculation limited to 50% O2 in older versions
- ⚠️ Needs to work with older iOS versions

**Reported bugs**

- 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**

- 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)


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*