myPSS vs O'Dive
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
myPSS
This application serves as a dedicated platform for members and instructors of PSS. It provides a centralized hub for information and communication within the PSS community.
- Dedicated platform for PSS members
- Dedicated platform for PSS instructors
- Centralized information hub
- Community communication tool
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myPSS, app dedicated to PSS members and instructors
O'Dive
This app uses patented acoustic sensor technology to analyze gas microbubbles detected after a dive. It helps divers assess their decompression procedures and improve their safety and practice based on personalized acoustic measurements.
- Acoustic sensor technology
- Gas microbubble detection
- Personalized decompression analysis
- Diving practice improvement
- Diving safety enhancement
- Sensor control interface
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O'Dive's unique and patented technology includes an acoustic sensor connected to a smartphone app and a server with specialised analysis capabilities. O'Dive's objectives are: - Indicating to divers, by taking into consideration gas microbubbles detected, the adequation of their decompression procedures with their own person and diving practice; - Help them improve their practice and safety. The personalization of the diving procedure is based on the acoustic measurement of circulating gas microbubbles detected post-dive in the divers' venous system. O'Dive app allows to control the sensor by being the interface between the sensor, the server and the user. O'Dive is a technological innovation developped by AZOTH SYSTEMS.
Screenshots
Verdict
The clearest difference is update cadence: O'Dive at monthly against myPSS's every 42 months. O'Dive also leads on iOS requirement (13.0 vs 15.1). On price, rating, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for myPSS against 5.0 for O'Dive. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
myPSS ships an update every 42 months, O'Dive monthly. The most recent releases landed on October 4, 2026 and September 17, 2026 respectively.
| Parameter | myPSS | O'Dive |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 42 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Margherita Aucelli | AZOTH SYSTEMS |
Customer experience
myPSS
O'Dive
In-app purchases
myPSS
No in-app purchases
O'Dive
No in-app purchases
