VX vs Atomic Sync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VX
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The VX-RFTS app is designed to control the VeEX RFTS-400 Serverless remote Fiber Test System. This system supports monitoring any optical fiber network, including P2P and PON. The app enables users to maintain visibility over a fiber network at all times and use the RFTS-400 as a remotely controlled OTDR for network construction and fulfillment tasks.
Atomic Sync
Synchronize your radio-controlled watch using your phone's speaker to emulate atomic time signals. Supports various international time signals and offers smart reminders for regular synchronization. Works offline and prioritizes user privacy.
- Emulates atomic time signals
- Supports multiple international time signals
- Offline synchronization
- Smart reminders for syncing
- User-friendly design with dark/light themes
- Privacy-focused with no data collection
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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 HOW IT WORKS: 1. Select your region or time signal 2. Place your phone near your watch (see visual guide) 3. Tap Start and wait 1-10 minutes 4. 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 daily, weekly, bi-weekly, monthly or custom. 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 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.
Screenshots
Verdict
The clearest difference is ads: VX at none against Atomic Sync's shown. Atomic Sync's advantage is update cadence (fortnightly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
VX ships an update every 3 months, Atomic Sync fortnightly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | VX | Atomic Sync |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.5 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 27 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | VeEX Inc | Serhii Sereda |
In-app purchases
VX
No in-app purchases
Atomic Sync
No in-app purchases









