Astro (Astrolabe Countdown)
Chikai Lai Sports iPhoneiPadiPod touchApple Watch
Astro (Astrolabe Countdown) is a free Sports app for iPhone and iPad by Chikai Lai. Requires iOS 26.0. Updated September 30, 2025.
- Price
- Free
- on the App Store
- Size
- 14 MB
- Age 4+
- Updated
- Sep 30
- 2025 · v1.4.6
Screenshots
About Astro (Astrolabe Countdown)
The professional sailing timer trusted by regatta racers worldwide. Astrolabe Countdown delivers split-second precision timing when every second counts at the starting line. CORE RACING FEATURES: Build with sailing and yachting professionals worldwide Crystal-clear edge-to-edge progress display for instant visual feedback Reliable haptic feedback you can feel even in rough conditions Always-active timing sessions that never sleep during critical moments Independent Apple Watch operation - no phone dependency Race history tracker with detailed journal entries ADVANCED RACING TOOLS: ProControl for advanced race timing strategies Instant 5-minute countdown on gun signal Auto-sync countdown to nearest minute for precision starts Real-time distance to starting line measurement Course shift tracking within 30 degrees Speed over ground in precise knots PERFECT FOR: Competitive regatta racing Sailing training sessions Time-critical race starts Professional sailing competitions Yacht club events APPLE WATCH OPTIMIZED: Built natively for Apple Watch with exclusive Apple Watch Ultra features. Works seamlessly across all Apple Watch models with customizable themes to match your sailing team colors. Start winning more races with precision timing. Download Astrolabe Countdown today. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://astrolabe-countdown.apphq.online/privacy
What’s new
Version 1.4.6 · Updated September 30, 2025
Added iOS and WatchOS 26 support. Optimized for AWU3. Support OS26 Liquid Glass - turn on Glass Effect option in settings! Introducing Custom Font - import your own font for a further customization experience. Choose the font for time number and team name. Customization features are now free to access in the watch settings (long press on screen to access).
App privacy
The developer, Chikai Lai, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Astro (Astrolabe Countdown)
Looking for apps like Astro (Astrolabe Countdown)? Here are 6 similar apps on the App Store. The highest rated is Sailing timer tactical (3.8/5), and 4 of the 6 are free to download.
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SailingWatch
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Watch Sailing Timer
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Regatta Countdown Timer
3.0
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Regatta Clock
3.0
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Sailing timer tactical
3.8
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Regatta Timer Watch
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Astro (Astrolabe Countdown) | – | Free | September 30, 2025 | |
| SailingWatch | – | Free | Sep 12, 2026 | Compare |
| Watch Sailing Timer | – | 4.99 USD | Oct 8, 2026 | Compare |
| Regatta Countdown Timer | 3.0 / 5 (1) | Free | Sep 11, 2025 | Compare |
| Regatta Clock | 3.0 / 5 (2) | Free | Feb 13, 2025 | Compare |
| Sailing timer tactical | 3.8 / 5 (6) | Free | May 7, 2024 | Compare |
| Regatta Timer Watch | – | 2.99 USD | Aug 19, 2026 | Compare |