Atomic Sync : Radio Watch Time
Atomic Sync : Radio Watch Time has 2,456 installs (+42.7% a month, measured over 57 days to 2026-11-03), #68,267 of 246,386 in Tools.
Description
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⏱️ Sync Your Radio-Controlled Watch in Minutes!
Atomic Sync emulates official atomic time signals to synchronize your radio-controlled watch — no tower reception needed. Works with Casio G-Shock, Citizen, Lacrosse, Junghans, Braun and other atomic watches.
🌍 SUPPORTED TIME SIGNALS:
• WWVB (60 kHz) — United States
• DCF77 (77.5 kHz) — Germany / Europe
• JJY40 / JJY60 (40/60 kHz) — Japan
• MSF (60 kHz) — United Kingdom
• BPC (68.5 kHz) — China
• RBU (66.66 kHz) — Russia (coming soon)
✨ HOW IT WORKS:
1️⃣ Select your region or time signal
2️⃣ Place your phone near your watch (see visual guide)
3️⃣ Tap Start and wait 1-10 minutes
4️⃣ Your watch syncs to atomic time — done!
⚡ BEAST MODE (Premium Sync):
Need faster sync? Watch a short rewarded video to activate Beast Mode — our enhanced signal algorithm for quicker, more reliable synchronization. Unlimited use, no subscriptions.
🔔 SMART REMINDERS:
Set local notifications to remind you to sync your watch weekly, bi-weekly, or monthly. Never lose atomic precision again.
🌐 OFFLINE & ACCURATE:
• All signals generated locally — no internet required for sync
• Optional NTP time source sync for maximum accuracy when online
• Last known time cached for offline use
🎨 USER-FRIENDLY DESIGN:
• Dark/Light theme (auto-switch)
• Universal positioning guide with animated signal waves
• Simple 4-step flow, no brand selection needed
• 16 languages supported
🔒 PRIVACY FIRST:
• No location access required
• No personal data collected
• No account registration needed
✅ COMPATIBLE WITH:
Casio G-Shock, Pro Trek, Edifice • Citizen Eco-Drive • Lacrosse Technology • Junghans Mega • Braun watches • And any watch supporting WWVB/DCF77/JJY/MSF/BPC signals.
💡 TIPS FOR SUCCESS:
• Use maximum phone volume during sync
• Keep phone and watch still, 2-10 cm apart
• Avoid metal surfaces and electronic interference
• Try near a window for better signal propagation (optional)
⚠️ DISCLAIMER:
Atomic Sync is a third-party tool and is not affiliated with, endorsed by, or connected to Casio, Citizen, or any watch manufacturer. Time signal emulation is for personal use only. Success depends on watch model, environment, and device hardware.
Is Atomic Sync : Radio Watch Time safe?
StoreTally doesn't rate safety. Here's what the store and our tracking show:
- Listed on Google Play.
- Made by qalc.ai; developer website listed: qalc.ai. Details →
- On Google Play since 2026-04-03. Last updated 2026-04-03.
Reviews The reviews Google Play shows first (its most relevant), from the US store, in any language.
Growth change in installs
| Per | Growth | Growth % | Actual change | Measured over |
|---|---|---|---|---|
| day | Not enough history yet | |||
| week | +168 | +8.0% | +360 | 15 days |
| month | +578 | +42.7% | +1,101 | 57.1 days |
| year | Not enough history yet | |||
How these figures are measured
Change in installs, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.
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