# Race Regatta Timer vs Mares App

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.

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.

## The numbers

| Metric | Race Regatta Timer | Mares App |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[4.5 (192 ratings)](https://appshunter.io/ios/app/mares-app/id1625641063/reviews)** |
| Number of ratings | — | **192** |
| Positive reviews | 0.0% of reviews | **48.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 4 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 10 MB | 203 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [G&S Applications GbR](https://appshunter.io/developer/1040620987) | [Head Watersports S.p.A.](https://appshunter.io/developer/1193522423) |

## What reviewers say

### Race Regatta Timer

[App page](https://appshunter.io/ios/app/race-regatta-timer/id1041538998)

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.

**Highlights:** Apple Watch integration, Synchronized countdown, Haptic feedback, iPhone notifications, Customizable countdown start

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

**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 Race Regatta Timer free?

Race Regatta Timer costs $3.99, with no in-app purchases.

### Is Mares App free?

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

### Do Race Regatta Timer or Mares App have ads?

Neither Race Regatta Timer nor Mares App shows ads.

### Which is updated more often, Race Regatta Timer or Mares App?

Race Regatta Timer ships an update every 24 months, and Mares App every 4 weeks. Most recently, Race Regatta Timer was updated on November 2, 2026 and Mares App 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.*