Race Regatta Timer vs Mares App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Race Regatta Timer
This app transforms your Apple Watch into a regatta timer. It synchronizes with the official time, provides haptic feedback for countdowns, and sends iPhone notifications for start times. Continuous improvements and new features are planned.
- Apple Watch integration
- Synchronized countdown
- Haptic feedback
- iPhone notifications
- Customizable countdown start
Read full descriptionHide full description
Win the start before the race begins. Regatta Timer puts the countdown where it belongs: on your wrist. Set your start sequence, keep your eyes on the water, and feel clear haptic cues as the final seconds tick away. When the countdown reaches zero, Regatta Timer automatically switches to elapsed-time mode. Tap LAP to capture each split, then review your lap times directly on Apple Watch or in the companion iPhone app. BUILT FOR THE START LINE - Choose a countdown from 1 to 60 minutes - Set the time quickly with the Digital Crown - Feel haptic cues through the crucial final seconds - Continue automatically into elapsed timing at zero - Record individual lap times with one tap - See lap results directly below the LAP control - Stop safely and prepare the next countdown - Receive an optional start alert on your paired iPhone SIMPLE BY DESIGN Large controls, a clear timing display, and safeguards against accidental touches keep Regatta Timer focused on what matters when the start line gets busy. No account. No ads. Your timing data stays on your devices. Ideal for sailing regattas, club races, training starts, and practice sessions.
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.
- 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
Read full descriptionHide 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
Screenshots
Verdict
The clearest difference is review sentiment: Mares App at 48% against Race Regatta Timer's 0%. Mares App also leads on price (Free vs $3.99) and update cadence (every 4 weeks vs every 24 months). Race Regatta Timer's advantage is in-app purchases (none vs 4). On ads, device support and iOS requirement 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
Mares App is free to download; Race Regatta Timer costs $3.99 up front. Mares App sells 4 in-app purchases, starting at $2.99 per month. Race Regatta Timer asks for nothing beyond the download.
Race Regatta Timer ships an update every 24 months, Mares App every 4 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Race Regatta Timer | Mares App |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | — | 4.5 (192 ratings) — better |
| Positive reviews | 0.0% of reviews | 48.1% of reviews — better |
| Number of ratings | — | 192 — better |
| Update frequency | Every 24 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, Apple Watch | iPhone, iPad, Apple Watch — better |
| Requires iOS | 17.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 10 MB | 203 MB |
| Age rating | 4+ | 4+ |
| Developer | G&S Applications GbR | Head Watersports S.p.A. |
Customer experience
Race Regatta Timer
Mares App
In-app purchases
Race Regatta Timer
No in-app purchases
Mares App
- 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 moreShow fewer
- MARES Fully Featured Yearly Family3 Days trial$119.991 Year
Questions
Is Race Regatta Timer free?
Is Mares App free?
Do Race Regatta Timer or Mares App have ads?
Which is updated more often, Race Regatta Timer or Mares App?
Other comparisons















