Clock Wave

By: 震任 App

Sync radio controlled watch.

Overview

Version:

1.3.16

Last updated: 2022-11-10

Ranking

#95,141 ▼ 108

Overall

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

(253)

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:

2026-09-25

Compare stats and ranking:

Ranking

# 95,141 ▼ 108

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

I tried various combinations of the settings, but none of them resulted in anything but the Japanese local time being set. In other words, the app is not able to instruct the watch to set its time (not to mention day and date) to the local time of the app.

by Mr*****, 2026-09-07

I was thinking twice about whether it would work for my g shock 3495 module square with a phone, it just works as stated. The clean simple UI / app is a great addition to my watch, definitely worth $2. Keeping watch on the phone or iPad over the loudest speaker (you can do hearing test to see where it is loudest), and then letting watch sit on it does the job in 3-4mins.