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Clock Wave icon

Clock Wave

震 任
Sync radio controlled watch.
Open in App Store ↗
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CNzh-Hans-CNUSen-USTWzh-Hant-TWRUruCAen-CAAUen-AUESes-ESHKzh-Hant-HKGBen-GBROen-GBMXes-MXMYen-GBSGen-GBBGen-GBITitGRen-GBPHen-GBIDen-GBKRkoINen-GBNZen-AUDEde-DEFIen-GBFRfr-FRPTpt-PTTRen-GBVNen-GBATde-DEBRpt-BRHRen-GBILen-GBLTen-GBNOen-GBPLen-GBSEsvUAen-GBAEen-GBARes-MXCHde-CHCOes-MXCYen-GBJPjaNLnlZAen-GBCLes-MXGTes-MXHUen-GBMOzh-Hant-HKPEes-MXSKen-GBTHen-GBAFen-GBAGen-GBAIen-GBALen-GBAMen-GBAOen-GBAZen-GBBAen-GBBBen-GBBEen-GBBFen-GBBHen-GBBJen-GBBMen-GBBNen-GBBOes-MXBSen-GBBTen-GBBWen-GBBYen-GBBZen-GBCDen-GBCGen-GBCIfr-FRCMfr-FRCRes-MXCVen-GBCZen-GBDKen-GBDMen-GBDOes-MXDZen-GBECes-MXEEen-GBEGen-GBFJen-GBFMen-GBGAfr-FRGDen-GBGEen-GBGHen-GBGMen-GBGWen-GBGYen-GBHNes-MXIEen-GBIQen-GBISen-GBJMen-GBJOen-GBKEen-GBKGen-GBKHen-GBKNen-GBKWen-GBKYen-GBKZen-GBLAen-GBLBen-GBLCen-GBLKen-GBLRen-GBLUen-GBLYen-GBMAen-GBMDen-GBMEen-GBMGen-GBMKen-GBMLen-GBMMen-GBMNen-GBMRen-GBMSen-GBMTen-GBMUen-GBMVen-GBMWen-GBMZen-GBNAen-GBNEen-GBNGen-GBNIes-MXNPen-GBNRen-GBOMen-GBPAes-MXPGen-GBPKen-GBPWen-GBPYes-MXQAen-GBRSen-GBRWen-GBSAen-GBSBen-GBSCen-GBSIen-GBSLen-GBSNen-GBSRen-GBSTen-GBSVes-MXSZen-GBTCen-GBTDen-GBTJen-GBTMen-GBTNen-GBTOen-GBTTen-GBTZen-GBUGen-GBUYen-GBUZen-GBVCen-GBVEes-MXVGen-GBVUen-GBXKen-GBYEen-GBZMen-GBZWen-GBLVNot Available
174 of 175 storefronts
Content in en-US
40 Ratings
4.7
★★★★★
Age Rating
4+
Years
Developer
震 任
Language
EN
+2 More
Size
2.0
MB

Information

Apple ID1073576068
Bundle IDcom.rzapps.Timecoder
SellerSeller
Min iOS9.0
Min macOS11.0
Device familiesiphone, ipad, ipod
Released2016-01-22
Copyright© Zhen Ren
Privacy policyLink ↗

Preview 2 platforms

iPhone 3 images

iPhone screenshot
iPhone screenshot
iPhone screenshot

iPad 3 images

iPad screenshot
iPad screenshot
iPad screenshot

What’s New Version 1.3.16

1. Bugfix

Description

Clock Wave allows you calibrate radio controlled watch or clock anytime and anywhere. Just click "Transmit" button, set your watch or clock to manual receive time signal, and place it nearby your iPhone/iPad's speaker, it will be calibrated in a few minutes. Clock Wave features: - Covers 5 major longwave time signal stations all over the world. * USA: WWVB * Japan: JJY * China: BPC * UK: MSF * DE: DCF77 - Automatically transmit the accurate time. * If your radio controlled watch/clock doesn't support station BPC, select station JJY manually to use in China. * If your radio controlled watch/clock doesn't support station MSF, select station DCF77 manually to use in UK. * If your radio controlled watch/clock support only a specified timezone or station, (e.g. Using a radio controlled clock support only JJY station in Australia.), select the watch/clock timezone manually in app settings.

Accessibility

ipadiphonemacrealityDevicetvoswatch

Version history 20 versions

Build 853280444v1.3.162022-11-10 22:06:37
1. Bugfix
Build 845632404v1.3.152021-11-29 15:31:30
1. Bugfix
Build 843016686v1.3.142021-07-12 09:17:07
1. Bugfix.
Build 840301575v1.3.132021-02-02 18:15:15
1. Bugfix.
Build 840279834v1.3.122021-01-31 13:03:32
1. Added options for using Japan and Germany domestic clocks in other regions.
Build 839488177v1.3.112020-12-06 20:34:06
1. Optimized for iPhone 12.
Build 834828564v1.3.102020-02-23 22:38:02
1. bugfix.
Build 833967618v1.3.92019-12-11 21:27:09
1. Optimized the UI.
Build 833855394v1.3.82019-12-04 16:26:53
1. Optimized for iPhone 11/11 Pro.
Build 832239467v1.3.72019-08-07 19:09:46
1. Add home screen quick actions for transmit directly. 2. Optimize time accuracy.
Build 829809761v1.3.62019-01-02 23:16:57
1. Optimized for iPhone XS/XR/XS Max. 2. Bug fix.
Build 828821793v1.3.42018-10-13 01:41:20
1. Bug fix. 2. Optimized time accuracy. 3. Optimized for iPhone XS Max.
Build 828922447v1.3.52018-10-13 20:04:21
1. Bug fix. 2. Optimized time accuracy. 3. Optimized for iPhone XS Max. 4. Fix the crash.
Build 819258940v1.3.32016-10-17 02:08:15
1. Bug fix. 2. Optimized time accuracy.
Build 819140559v1.3.22016-10-03 01:40:48
1. iOS 10 compatible.
Build 818250756v1.3.12016-07-26 04:52:21
1. Added auto stop transmitting setting. 2. Optimized the time accuracy.
Build 816686475v1.32016-03-11 02:07:35
1. Traditional Chinese localization. 2. Fix UI bugs.
Build 816519684v1.22016-02-24 04:23:47
1. Support both iPhone and iPad. 2. Add an option to custom watch/clock timezone, when use a watch/clock that only support a specified timezone or station. (e.g. Using a radio controlled clock support only JJY station in Australia.) 3. Bug fix.
Build 816358161v1.12016-02-11 01:01:48
- Fixed a bug in DCF77 encoding - User friendly interface - Removed the option to set time manually - Display the local time instead of the time encoded in the signal to avoid confusing
Build 815806127v1.02016-01-21 19:36:21
App price

Price history by region

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Availability 174 of 175 storefronts

RegionLanguagePriceRatingsAvgVersion
CN zh-Hans-CNCNY 154454.01.3.16
US en-USUSD 1.992474.71.3.16
TW zh-Hant-TWTWD 601174.51.3.16
RU ruRUB 199434.81.3.16
CA en-CACAD 2.99404.71.3.16
AU en-AUAUD 2.99274.81.3.16
ES es-ESEUR 1.99274.51.3.16
HK zh-Hant-HKHKD 18273.91.3.16
GB en-GBGBP 1.99234.71.3.16
RO en-GBRON 9.99144.71.3.16
MX es-MXMXN 39134.71.3.16
MY en-GBMYR 9.9134.91.3.16
SG en-GBSGD 2.98105.01.3.16
BG en-GBEUR 1.9995.01.3.16
IT itEUR 1.9994.11.3.16
GR en-GBEUR 1.9985.01.3.16
PH en-GBPHP 12984.31.3.16
ID en-GBIDR 2900074.31.3.16
KR koKRW 330065.01.3.16
IN en-GBINR 19953.61.3.16
NZ en-AUNZD 3.9955.01.3.16
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Not available in: LV

Reviews 28 reviews · CA

★★★★★
It works
I got a JDM Citizen that only works with Japanese radio signal. I tried all the other apps, in all the possible configurations and the best I got was a Low signal indicatir and no sync. With this app in worked the firdt try. It really does work.
EnriqueLuciano2026-04-12
★★★★★
Works like a charm
Just synced 2 g shocks, in Toronto where I never get a signal
B00p13z2026-03-28
★★★★★
Black Magic that works!
I thought that there was no way this could work. No way. But I thought for $3 in my local currency (Canada) that what the heck… It works folks. I don’t know how it works but it does. My Marathon atomic time clock can’t get a signal no way no how. I thought it was doomed. The clock does well on its own not shifting the time but it does drift about a minute per year. Now I can use this app to set it straight. I’m amazed this works. Like it’s just crazy that sound waves can create enough RF through the speaker in close proximity to simulate the 60KHz signal. Thank you to the creator! Please come
LunchBoxSteve2026-01-30
★★★★★
Does not work
My watches are not syncing whatsoever. Better to use near my window I always get a error on my wave cepter and my gw-6900 looking at reviews I don’t know why it won’t work it I only get 1 out of 3 signals. Needing a refund.
jcalof2025-11-16
★★★★★
Works
It took a few tries but it worked. I have a new Casio Oceanus watch and pointed the 3 o’clock position to the speaker. Took about 3 minutes to get a successful sync. Have a few other Casio to test as well as a Japan only Citizen.
Stormgren-X2025-11-05
★★★★★
It works!
After trying so many DIY method and free app, finally decided to pay and try this app. Work like charm!
doyflhfhlffpuflhflhf2025-08-29
★★★★★
Worked!
It’s hard to get the tower signal in west coast Seattle area but this app worked and able to sync to G shock GW-5000U.
Rhymes universal2025-07-24
★★★★★
perfect for gw1200-1av
Saved my watch litterally...wich is japanese, wr200 analogic thank you so much for that app
Simonmay7772024-06-27
★★★★★
Amazing
I had a Citizen watch on the edge of WWVB and struggling to keep charge in winter. Since it was usually dead and or wrong from lack of sun and poor range, I gave up on this lovely watch and put in a drawer I knew about these apps/websites and had been meaning to try it. Once I charged it, I tried a couple of the websites or apps. No dice Then I heard about this one from a forum. Holy smokes. That was fast and bang on! Worth the money, hands down.
greg4742466332024-03-19
★★★★★
Crappy waste of $$$
Crappy, I think a scam. Did not do anything!!!
RESCUERAN2024-03-12
★★★★★
Great for traveling
Hadn’t downloaded before as being just 1000 miles from Ft Collins I get good night reception WWVB. 100% success with recent tests. Even using wired lightning apple ear buds works perfect !
sailor nicky2024-01-31
★★★★★
Second attempt worked like a charm
I’m in Ontario Canada, and my new G-Shock (GW-9110) wouldn’t sync to Fort Collins. This is the first radio controlled watch I’ve had that wouldn’t find the signal… this app solved the issue. First attempt failed, but second attempt worked - took about 5 minutes. Worth the $3
musclebill2022-10-28
★★★★★
I’m flummoxed it works lol
I must admit I was very skeptical about this app. But I just set it to my time zone & set the app to Fort Collins then forced it to Fort Collins on my LadWeather 017 radio master then low and behold after a few minutes it was set to the correct time!!! I’m simply amazed lol
im not Gordon Ramsay2021-06-22
★★★★★
Works for my Casio multi band 6
No gimmick, just press transmit and wait
tianlechentianlechen2021-05-25
★★★★★
WOW it’s working with my gshock gwm 5610
Seriously I can’t believe it’s working. I thought it was a gimmick just like a lot of apps that don’t do what they’re supposed to do. Thank you Developers, it be nice to see an update for iOS 14 though it’s compatible at the moment. 😊
PlanteMichel2020-11-24
★★★★★
Your Multi Band 6 Problems Are Over!
This is an outstanding App. That will synchronize clocks and watches that are set up to receive such signals. It work flawlessly in my opinion and I really think Casio should buy and supply this app for free to their customers so even if they are out of AtomicClock radio sync range customers could sync their watches. Anywhere in the world! Highly Recommended *****
Safe n Nova Scotia2020-11-02
★★★★★
It actually worked!
I can confirm that this app is awesome and works perfect. My watch had never synced for atomic time and until now thought I had a fake watch. This app is great!
Duder123453729493822020-07-14
★★★★★
Great work
Please keep this app amazing for those who are too far away from a real station
Alyeska19892020-04-24
★★★★★
The App Works
I was skeptic at first but it works. I have a Casio G-Shock GW7900 (3200). Some atomic radio signal watches must also have a speaker in addition to a radio antenna. Start the app, crank up your phone volume to maximum, and point your phone towards your watch at close range (almost touching). I had my phone pointed at the right side of my watch.
EddieSixtyNine2019-11-27
★★★★★
Casio/Citizen Atomic watches.
I just purchased this App 10 mins ago and was able to receive the signals and set my watches. The Casio watch was never able to receive the signal before. This App is perfect. Yes PERFECT. Thank you!
ralph30752019-06-15
★★★★★
Great application. Does what is says.
Don't know how you did it but this is a fantastic use of the iPhone capabilities to solve a common problem. Works like a charm with my new Citizen watch.
jecorcor2019-05-10
★★★★★
Work
Work with my gw9400. Cant get atomic time where i live. This does the trick.
simonnnnnnsss2019-03-24
★★★★★
Can not receive proper DCF77 signal
Having a problem syncing with MST, always syncs to the time zone 8 hours ahead.
Kernel Krunch2018-11-11
★★★★★
It works!!!
My room’s reception of the WWVB signal is not reliable. This app solves the problem. Thank you.
Raymond K.2018-07-04
★★★★★
Amazing app
I live in Montreal and do not receive radio signals from Fort Collins, Colorado. This app solved the issue.
glendon6662018-07-02
★★★★★
Work as expected
I did work the first time I used it. Recommended.
Dany Lavoie2017-11-20
★★★★★
Better than JJY Simulator
Better than the free JJY Simulator which often failed to sync my citizen PMD56-2952. (Needed to lower UTC offset by -2 to account for Day light savings time)
camo squad2017-08-15
★★★★★
Works as advertised
I live too far away to get the WWVB signal. This app allows me to synchronise the watch.
K w wong2017-02-08

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✎
releaseNotes updated
1. Bugfix
✎
description updated
Clock Wave allows you calibrate radio controlled watch or clock anytime and anywhere. Just click "Transmit" button, set your watch or clock to manual receive ti
✎
subtitle updated
Sync radio controlled watch.
✎
name updated
Clock Wave
◆
Version 1.3.16 released
1. Bugfix
◆
Version 1.3.15 released
1. Bugfix
◆
Version 1.3.14 released
1. Bugfix.
◆
Version 1.3.13 released
1. Bugfix.
◆
Version 1.3.12 released
1. Added options for using Japan and Germany domestic clocks in other regions.
◆
Version 1.3.11 released
1. Optimized for iPhone 12.
◆
Version 1.3.10 released
1. bugfix.
◆
Version 1.3.9 released
1. Optimized the UI.
◆
Version 1.3.8 released
1. Optimized for iPhone 11/11 Pro.
◆
Version 1.3.7 released
1. Add home screen quick actions for transmit directly. 2. Optimize time accuracy.
◆
Version 1.3.6 released
1. Optimized for iPhone XS/XR/XS Max. 2. Bug fix.
◆
Version 1.3.5 released
1. Bug fix. 2. Optimized time accuracy. 3. Optimized for iPhone XS Max. 4. Fix the crash.
◆
Version 1.3.4 released
1. Bug fix. 2. Optimized time accuracy. 3. Optimized for iPhone XS Max.
◆
Version 1.3.3 released
1. Bug fix. 2. Optimized time accuracy.
◆
Version 1.3.2 released
1. iOS 10 compatible.
◆
Version 1.3.1 released
1. Added auto stop transmitting setting. 2. Optimized the time accuracy.
◆
Version 1.3 released
1. Traditional Chinese localization. 2. Fix UI bugs.
◆
Version 1.2 released
1. Support both iPhone and iPad. 2. Add an option to custom watch/clock timezone, when use a watch/clock that only support a specified timezone or station. (e.g. Using a radio controlled clock support only JJY station in Australia.) 3. Bug
◆
Version 1.1 released
- Fixed a bug in DCF77 encoding - User friendly interface - Removed the option to set time manually - Display the local time instead of the time encoded in the signal to avoid confusing
◆
Version 1.0 released
expanded screenshot