# PSS myCard vs Mares App

The clearest difference is review sentiment: Mares App at 48% against PSS myCard's 0%. Mares App also leads on rating (4.5 vs 1.0) and update cadence (every 4 weeks vs every 8 months). PSS myCard's advantage is in-app purchases (none vs 4) and iOS requirement (9.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Mares App sells 4 in-app purchases, starting at $2.99 per month. PSS myCard asks for nothing beyond the download.

Mares App holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Mares App has 194 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of PSS myCard's written reviews are positive against 48% of Mares App's.

PSS myCard ships an update every 8 months, Mares App every 4 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | PSS myCard | Mares App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pss-mycard/id1077888722/reviews) | **[4.5 (194 ratings)](https://appshunter.io/ios/app/mares-app/id1625641063/reviews)** |
| Number of ratings | 1 | **194** |
| Positive reviews | 0.0% of reviews | **48.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 203 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Margherita Aucelli](https://appshunter.io/developer/904666795) | [Head Watersports S.p.A.](https://appshunter.io/developer/1193522423) |

## What reviewers say

### PSS myCard

[App page](https://appshunter.io/ios/app/pss-mycard/id1077888722)

Manage and display your certifications and qualifications digitally. Access your data offline and share or print it easily. Automatic updates ensure your information is always current.

**Highlights:** Automatic data updating, Secure QR code display, Offline data access, Save to Photo Gallery, Send and print options, Digital patent verification

**Features:** macOS Compatibility

**In-app purchases:** none


### Mares App

[App page](https://appshunter.io/ios/app/mares-app/id1625641063)

Transform your Apple Watch Ultra into a dive computer, recording dives directly on your wrist. Log scuba, freediving, and technical dives, manage dive sites, and track underwater wildlife sightings. Share your adventures with dive buddies and keep your equipment details organized.

**Highlights:** Apple Watch Ultra dive computer integration, Digital dive logbook, Dive site database and management, Underwater wildlife tracking, Dive buddy sharing, Dive equipment management, Firmware updates

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snorkel Only | $2.99 | per month |
| MARES Fully Featured Monthly | $8.99 | per month |
| MARES Fully Featured Yearly | $69.99 | per year |
| MARES Fully Featured Yearly Family | $119.99 | per year |


## Frequently asked questions

### Is PSS myCard free?

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

### Is Mares App free?

Mares App is free to download, with in-app purchases available.

### Which has better reviews, PSS myCard or Mares App?

Mares App is rated higher. PSS myCard averages 1.0 out of 5 from 1 ratings, while Mares App averages 4.5 from 194 ratings.

### Do PSS myCard or Mares App have ads?

Neither PSS myCard nor Mares App shows ads.

### Which is updated more often, PSS myCard or Mares App?

PSS myCard ships an update every 8 months, and Mares App every 4 weeks. Most recently, PSS myCard was updated on November 2, 2026 and Mares App on November 7, 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.*