# myPSS vs DecoPlanner mobile

The clearest difference is update cadence: DecoPlanner mobile at every 2 months against myPSS's every 42 months. DecoPlanner mobile also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

myPSS ships an update every 42 months, DecoPlanner mobile every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | myPSS | DecoPlanner mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mypss/id904666792/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 64 MB | 74 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Margherita Aucelli](https://appshunter.io/developer/904666795) | [Global Underwater Explorers Inc.](https://appshunter.io/developer/1459213336) |

## What reviewers say

### myPSS

[App page](https://appshunter.io/ios/app/mypss/id904666792)

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.

**Highlights:** Dedicated platform for PSS members, Dedicated platform for PSS instructors, Centralized information hub, Community communication tool

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### DecoPlanner mobile

[App page](https://appshunter.io/ios/app/decoplanner-mobile/id1580563324)

Plan complex dive profiles using advanced decompression models. Track multiple gases, manage dive buddies, and visualize dive data with detailed graphs. Choose the version that suits your diving certification level.

**Highlights:** Open/Closed/Passive Semi-Closed Circuit planning, ZH-L16 / VPM-B decompression models, Gas tracking for multiple gases and dive buddies, Gas mixing (partial pressure & continuous blending), Dive profile and tissue compartment graphs, Diving level selection (Rec 1 to Unlimited CCR)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is myPSS free?

myPSS is free to download, with no in-app purchases.

### Is DecoPlanner mobile free?

DecoPlanner mobile is free to download, with no in-app purchases.

### Do myPSS or DecoPlanner mobile have ads?

Neither myPSS nor DecoPlanner mobile shows ads.

### Which is updated more often, myPSS or DecoPlanner mobile?

myPSS ships an update every 42 months, and DecoPlanner mobile every 2 months. Most recently, myPSS was updated on November 1, 2026 and DecoPlanner mobile on November 3, 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.*