Clock Wave

By: 震任

Sync radio controlled watch.

Features & Capabilities

Clock Wave lets you calibrate radio-controlled watches anytime, anywhere. Tap Transmit, set the device to manual receive time signals, and place it near your iPhone or iPad speaker - the time will be calibrated within minutes.

Covers major longwave stations worldwide: USA WWVB, Japan JJY, China BPC, UK MSF, and Germany's DCF77. If your watch doesn't support a station, you can manually select JJY or DCF77, and adjust the timezone in app settings.

User Growth & Download Statistics

App Developer Tools

By:

震任

Rating:

4.70

(247)

Version:

1.3.16 Last updated: 2022-11-10

Version code:

853280444

Creation date:

2016-01-22

Compatible devices:

Size:

1.89MB

Price:

1.99

URLs:

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-07-01

Compare stats and ranking:

Ranking

# 105,338 ▲ 286

For Developers

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Contact the developer

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Developed by:

震任

Apple Apps Store

https://apps.apple.com/us/app/clock-wave/id1073576068

User Reviews

Users frequently praise its ability to sync a range of watches quickly and affordably, with many reporting first-time success. However, performance can be inconsistent, and success often depends on careful device alignment and signal strength, making it unreliable in some locations. Overall, it’s a valuable tool when it works.

Pros

Works across many watch models (Casio, G‑Shock, Citizen, etc.)
Quick to sync (often takes only a few minutes, sometimes first-time success)
Good value for money (worth the $2)
Easy to use with simple instructions
Helps in areas with weak radio reception or poor signal where manual syncing is difficult

Cons

Inconsistent performance; sometimes doesn’t work or fails to sync
Requires careful alignment/positioning; success depends on placement of the watch and phone
Signal reception varies by location; in weak-signal areas it can be hit-or-miss
Some users report it doesn’t work or stops functioning (possible updates/compatibility issues)

Recent reviews

CLOCK WAVE is the one to get. Worth the 2 bucks. First attempt it worked perfectly with Casio 5161 moduled watch 12 o’clock positioned next to iPhone speaker. I tried the other app that was free but had a paid upgrade and I tried it a 100 different ways with iPhone speaker, Bluetooth speaker, headphones over an hour I wasted and it never worked. Get this one. It worked first try in a medium noisy public environment. I want to send them an extra $2 as a tip because this actually works without wasting any time. My thanks to the developer.

by Ju*****, 2026-06-13

Used it on my citizen radio control model and it worked! Very simple, took about 8-10 mins.

by TX*****, 2026-06-03

I downloaded this app to sync an atomic clock that is out of range of the standard time signal due to its location in the house. I followed the simple instructions and within minutes by atomic clock was synced and displaying the correct time, down to the second. Great app!