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.



250+ iOS apps curated and reviewed
Every iPhone needs a few good gther sync apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | Oct 2026 | ||
| 2 | Free | 2.5★ (2) | Yes | No | Oct 2026 | ||
| 3 | Free | 4.5★ (861) | Yes | No | Nov 2026 | ||
| 4 | Free | 4.9★ (141) | No | No | Nov 2026 | ||
| 5 | Free | 4.5★ (1.1K) | Yes | Yes | Nov 2026 | ||
| 6 | Free | 3.8★ (141) | No | Yes | Nov 2026 | ||
| 7 | $4.99 | 4.0★ (27) | No | No | Oct 2026 | ||
| 8 | Free | — | No | No | Oct 2026 |






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.





Securely transfer files and back up photos between your devices without using third-party servers. Enjoy unlimited storage and speed, with direct peer-to-peer transfers for privacy and efficiency. Supports all file types across various platforms.