Comparison

PSS myCard vs Mares App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PSS myCard

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
Read full description

PSS My card main functions: Automatic data updating Secure QR Offline data Save in Photo Gallery Send and print with a click Thanks to the "PSS-Sync", Mycard update and automatically synchronize your data (patents and qualifications) when there's connectivity and will save them on your phone. You'll use the App Mycard and show your patents even if you are abroad or without internet connectivity. Thanks to the certifications you send just a single click for check-in at the diving center. The verification of the digital patent, ensures the best certificate of qualification and can be done from any PC, smartphone or table

About

Mares App

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
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APPLE WATCH ULTRA DIVE COMPUTER Transform your Ultra into a dive computer. Record dives directly on your wrist and sync automatically to the Mares App. (In-app purchase required.) DIGITAL LOGBOOK: Log your Scuba, Freediving, Extended Range and Rebreather (SCR/CCR) dives in seconds via Bluetooth. Easily share your dives via QR code. Add new dives with your device’s GPS and download your dives from selected dive computers (1*). DIVE SITES: With the help of the Mares dive site database, you can immediately assign a dive site to your logged dives. You can also add your own private dive sites and share them with your dive buddies using a QR code. You can download your dive data directly from selected Mares dive computers . WILDLIFE: A variety of local wildlife is already stored in the app for individual dive sites. This means you can immediately assign the highlights of your underwater encounters to your logged dives. Your sightings are displayed on your personal world map. DIVE BUDDIES: Easily add your dive buddies via QR code or manually in the app. Share your best dives and most exciting animal encounters with friends using the Mares app. STATISTICS: All your dives and data can be seen at a glance, including your longest or deepest dive, your average dive time and more! DIGITAL EQUIPMENT: Store important dive equipment details, including serial numbers, photos and invoices. Enter maintenance dates and keep track of when your equipment needs to be serviced. NEWS AND VIDEOS: Stay up-to-date with all the latest news and videos from the world of water sports and diving. FIRMWARE: When you connect your dive computer to the app, you will be able to confirm if you have the latest firmware. As soon as it is outdated, you will receive a message regarding the newest firmware to download. TABLES: Here you will find useful information such as decompression tables and emergency scenarios. 1* Currently available for MARES Sirius, Sirius L, Sirius Hunter, Horizon, Genius, Quad CI, Quad 2, Quad Air, Quad, Puck 4, Puck Pro EZ, Puck lite, Puck Pro, Puck Pro Plus, Puck Air 2, Smart, Smart Apnea, Smart Air Terms of Use (EULA) Mares App for Apple Watch Ultra: https://my.divessi.com/published/viewhls/awu_terms_v1/2

Screenshots

PSS myCard2 screens
Mares App4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
PSS myCard versus Mares App: the parameters behind the verdict, then further details
ParameterPSS myCardMares App
PriceFreeFree
Rating1.0 (1 ratings)4.5 (194 ratings) — better
Positive reviews0.0% of reviews48.1% of reviews — better
Number of ratings1194 — better
Update frequencyEvery 8 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS9.0 — better16.6
Further details — not scored
Size8 MB203 MB
Age rating4+4+
DeveloperMargherita AucelliHead Watersports S.p.A.

Customer experience

PSS myCard

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Mares App

All ratings189 ratings
Positive89.4%
Neutral4.8%
Negative5.8%
Written reviews108 reviews
Positive48.1%
Neutral12.0%
Negative39.8%

In-app purchases

None

PSS myCard

No in-app purchases

4 purchases

Mares App

Subscriptions4
  • Snorkel Only$2.991 Month
  • MARES Fully Featured Monthly3 Days trial$8.991 Month
  • MARES Fully Featured Yearly3 Days trial$69.991 Year
Show 1 more
  • MARES Fully Featured Yearly Family3 Days trial$119.991 Year

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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