Nitrox Buddy vs DiveBuddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
DiveBuddy
Connect with fellow scuba divers, find dive buddies, and discover new dive sites. This app offers essential scuba calculators, a digital dive log, and a platform to store certifications and share underwater photos. Engage in community forums and discussions to enhance your diving experience.
- Find dive buddies
- Scuba calculators
- Digital dive log
- Community dive sites
- Store certifications
- Share underwater photos
- Scuba forums
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Core features of the Dive Buddy app: - Find dive buddies near you or near a dive destination. - Scuba calculators - Weight, SAC, MOD, EAD, and more. - Maintain your dive log, with option to import, export, and attach photos. - Search our community-maintained dive sites with ratings & comments. - Store digital copies of your scuba certifications or C-cards. - View and share underwater photos with other scuba divers. - Participate in scuba-related forum discussions and ask questions. - Send private messages and comment on community content. Apple Family Sharing: Share a single DiveBuddy Pro subscription with up to five family members. Dive Buddy is the essential social community for scuba divers only, trusted by tens of thousands of members globally since 1998. As a fully independent platform, we are not affiliated with any specific certification agency, we proudly welcome and support divers from all training backgrounds. The platform is built to handle the real-world needs of the scuba community. Whether you are planning your next local shore dive, a weekend boat trip, or a dream destination adventure, DiveBuddy helps you connect with other divers, discover new places to explore, and keep your diving life organized in one easy-to-use app. Learn more at www.divebuddy.com.
Screenshots
Verdict
The clearest difference is update cadence: DiveBuddy at daily against Nitrox Buddy's every 7 months. DiveBuddy also leads on iOS requirement (15.1 vs 26.0). Nitrox Buddy's advantage is ratings volume (468 vs 3). On price, rating, review sentiment and ads 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. Nitrox Buddy sells 1 one-off in-app purchase and DiveBuddy sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for Nitrox Buddy against 5.0 for DiveBuddy. That said, the two scores are not equally well evidenced: Nitrox Buddy has 468 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 96% of Nitrox Buddy's written reviews are positive against 100% of DiveBuddy's.
Nitrox Buddy ships an update every 7 months, DiveBuddy daily. The most recent releases landed on September 29, 2026 and September 21, 2026 respectively.
| Parameter | Nitrox Buddy | DiveBuddy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (468 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 95.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 468 — better | 3 |
| Update frequency | Every 7 months | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 6 MB | 82 MB |
| Age rating | 4+ | 17+ |
| Developer | Gereon Steffens | Dive Buddy LLC |
Customer experience
Nitrox Buddy
DiveBuddy
Bugs and 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)
DiveBuddy
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Nitrox Buddy
- Tip$0.99
DiveBuddy
- DiveBuddy Pro - Monthly$2.991 Month
- DiveBuddy Pro - Annually$24.991 Year
