# Regatta Clock vs Astro (Astrolabe Countdown)

The clearest difference is iOS requirement: Regatta Clock at 16.0 against Astro (Astrolabe Countdown)'s 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Regatta Clock sells 1 one-off in-app purchase and Astro (Astrolabe Countdown) sells 3 in-app purchases, starting at $7.99 per year. Whichever you choose, the download price is not the number that matters.

Regatta Clock ships an update every 2 weeks, Astro (Astrolabe Countdown) fortnightly. The most recent releases landed on October 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Regatta Clock | Astro (Astrolabe Countdown) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/regatta-clock/id1594997467/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 14 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Robert Markwick](https://appshunter.io/developer/1003545067) | [Chikai Lai](https://appshunter.io/developer/1787777343) |

## What reviewers say

### Regatta Clock

[App page](https://appshunter.io/ios/app/regatta-clock/id1594997467)

This app assists race committees in managing sailing regattas efficiently. It allows for customizable race sequences and flag usage, with haptic and sound cues to keep users focused during signal times. It's also designed to help new volunteers learn the process.

**Highlights:** Customizable race sequences, Adjustable sequence length, Configurable flags, Haptic feedback, Auditory cues, Volunteer training aid

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Astro (Astrolabe Countdown)

[App page](https://appshunter.io/ios/app/astro-astrolabe-countdown/id6739977285)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Astrolabe Pro Access (Annual) | $7.99 | per year |
| Annual Ultra Subscription | $14.99 | per year |
| ULTRA Tier One-Time Purchase | $44.99 | one-time |


## Frequently asked questions

### Is Regatta Clock free?

Regatta Clock is free to download, with in-app purchases available.

### Is Astro (Astrolabe Countdown) free?

Astro (Astrolabe Countdown) is free to download, with in-app purchases available.

### Do Regatta Clock or Astro (Astrolabe Countdown) have ads?

Neither Regatta Clock nor Astro (Astrolabe Countdown) shows ads.

### Which is updated more often, Regatta Clock or Astro (Astrolabe Countdown)?

Regatta Clock ships an update every 2 weeks, and Astro (Astrolabe Countdown) fortnightly. Most recently, Regatta Clock was updated on October 1, 2026 and Astro (Astrolabe Countdown) on October 28, 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.*