Comparison

Mares App vs divelogs

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

Head to head
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
Read full description

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 As soon as it is outdated, you will receive a message regarding the newest firmware to download.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

About

divelogs

Manage your diving activities and certifications with this companion app. Add, edit, and sync your dive logs, gear, and certifications with the web platform. Supports importing dive data from FIT files.

Highlights
  • Sync dive logs with web platform
  • Add and edit dives
  • Manage certifications
  • Track dive gear
  • Import FIT files
Features
Read full description

divelogs.de/.org companion app. Sync your divelogs data to the app. Add and edit dives, certifications and gear, sync back any time later. Now supports FIT file imports

Screenshots

Mares App4 screens
divelogs4 screens

Verdict

The call

The clearest difference is rating: divelogs at 5.0 against Mares App's 4.5. divelogs also leads on in-app purchases (none vs 8) and review sentiment (67% vs 47%). Mares App's advantage is ratings volume (183 vs 1). On price, update cadence, 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 8 in-app purchases, starting at $2.99 per month. divelogs asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

divelogs holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Mares App has 183 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 47% of Mares App's written reviews are positive against 67% of divelogs's.

UpkeepUpdate frequency

Mares App ships an update every 3 weeks, divelogs monthly. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

Scorecard5 real differences · 5 level
Mares App versus divelogs: the parameters behind the verdict, then further details
ParameterMares Appdivelogs
PriceFreeFree
Rating4.5 (183 ratings)5.0 (1 ratings) — better
Positive reviews47.5% of reviews66.7% of reviews — better
Number of ratings183 — better1
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.6 — better17.5
Further details — not scored
Size247 MB35 MB
Age rating4+4+
DeveloperHead Watersports S.p.A.Rainer Mohr

Customer experience

Mares App

All ratings183 ratings
Positive89.6%
Neutral4.9%
Negative5.5%
Written reviews99 reviews
Positive47.5%
Neutral12.1%
Negative40.4%

divelogs

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

8 purchases

Mares App

Subscriptions8
  • Snorkel Only$2.991 Month
  • Full Featured Month (Housing Only)3 Days trial$6.991 Month
  • Full Featured Month (Ultra Only)3 Days trial$6.991 Month
Show 5 more
  • MARES Fully Featured Monthly3 Days trial$8.991 Month
  • Full Featured Yearly (Housing Only)3 Days trial$49.991 Year
  • Full Featured Yearly (Ultra Only)3 Days trial$49.991 Year
  • MARES Fully Featured Yearly3 Days trial$69.991 Year
  • MARES Fully Featured Yearly Family3 Days trial$119.991 Year
None

divelogs

No in-app purchases

Questions

Is Mares App free?
Mares App is free to download, with in-app purchases available.
Is divelogs free?
divelogs is free to download, with no in-app purchases.
Which has better reviews, Mares App or divelogs?
divelogs is rated higher. Mares App averages 4.5 out of 5 from 183 ratings, while divelogs averages 5.0 from 1 ratings.
Do Mares App or divelogs have ads?
Neither Mares App nor divelogs shows ads.
Which is updated more often, Mares App or divelogs?
Mares App ships an update every 3 weeks, and divelogs monthly. Most recently, Mares App was updated on September 21, 2026 and divelogs on September 9, 2026.

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