MoyiWave - Atomic Watch Sync

PIN YI CHIANG · Utilities

$3.99

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What changed · US

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Sep 11, 2026
New version 1.0 → 1.1

This update improves sync accuracy and expands watch compatibility: • NTP time calibration — syncs to exact network time instead of your device clock for a more precise signal • Custom watch timezone — set a timezone for domestic-model watches without World Time (JJY / DCF77 / BPC / MSF) • iPad — both speakers now transmit, so either side can sync your watch Thanks for using MoyiWave!

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About

MoyiWave turns your iPhone into a portable time signal transmitter. Sync your Casio Wave Ceptor, Citizen Atomic Timekeeping, or any radio-controlled watch in minutes -- even when you're traveling far from any broadcast tower. --- HOW IT WORKS --- Place your watch near the iPhone speaker, tap Start Sync, and let the encoded signal do its job. Most watches will detect the signal within 2-3 minutes. --- SIX GLOBAL TIME STATIONS --- - JJY 40 kHz / 60 kHz: Japan (NICT) - WWVB 60 kHz: USA (NIST) - DCF77 77.5 kHz: Germany (PTB) - MSF 60 kHz: UK (NPL) - BPC 68.5 kHz: China (NTSC) --- MORE THAN A SIMPLE TRANSMITTER --- Engineering Mode reveals the real-time bit stream, color-coded BIT GRID, and live time code decoding. Perfect for watch enthusiasts, ham radio operators, and anyone curious about how radio time codes really work. --- FEATURES --- - Real-time signal generation with industry-standard timing - AM/PWM/PPM modulation matching each station's spec - Automatic DST handling for DCF77 / MSF / WWVB - Engineering Mode with BIT COLOR waveform and BIT GRID - Live decoded fields: year, day-of-year, weekday, parity bits - Pulse Indicator with realistic signal noise visualization - Dual transmission channels (top earpiece + bottom speaker) - 10-minute auto-stop to save battery - Dark and light themes - Works completely offline -- no account, no data collection --- WHO IS IT FOR? --- - Casio G-Shock, Oceanus, Edifice owners - Citizen Eco-Drive Atomic owners - Seiko Astron and other radio-controlled watches - Hobbyists and engineers studying time code systems --- PRIVACY --- MoyiWave runs 100% offline. No analytics, no ads, no tracking, no account required. --- NOTES --- - Set your watch to manual reception mode (RCVD) for best results - Maximize iPhone volume during transmission - Place watch within 2 cm of the speaker - Some watches (especially metal cases) may need multiple attempts Developed by MoyiLab. Website: www.moyilab.com

What's new · 1.1

This update improves sync accuracy and expands watch compatibility: • NTP time calibration — syncs to exact network time instead of your device clock for a more precise signal • Custom watch timezone — set a timezone for domestic-model watches without World Time (JJY / DCF77 / BPC / MSF) • iPad — both speakers now transmit, so either side can sync your watch Thanks for using MoyiWave!

Details

DeveloperPIN YI CHIANG
ReleasedJul 2026
UpdatedJul 2026
Version1.1
Size2.7 MB
RequiresiOS 15.6 or later
Age rating4+
LanguagesChinese, English, German, Japanese
Price$3.99
Categories UtilitiesLifestyle
Bundle IDMOYI.WaveSync