Best Clocksync Apps

247+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated October 2026

Out of 247+ clocksync apps on iOS, 17 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Clocksync Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Radio Wave SyncRadio Wave SyncFree4.5โ˜… (1K)YesYesOct 2026
2ClockSyncClockSync$0.99โ€”NoNoAug 2026
3AtomicClock: NTP TimeAtomicClock: NTP TimeFree4.8โ˜… (5.5K)YesYesOct 2026
4Clock WaveClock Wave$1.994.7โ˜… (248)NoNoOct 2026
5ClockSync ProClockSync ProFreeโ€”โ€”NoOct 2026
6TimeWave: Atomic Watch SyncTimeWave: Atomic Watch SyncFree4.4โ˜… (18)NoYesOct 2026
7ClockZ | Desk Clock & AlarmClockZ | Desk Clock & AlarmFree4.5โ˜… (5.5K)NoYesOct 2026
8Atomic Sync : Radio Watch TimeAtomic Sync : Radio Watch TimeFreeโ€”YesNoAug 2026

Top Picks for Clocksync

Radio Wave Sync#1

Radio Wave Sync by ๅฎ ้‡‘

Sync Radio Controlled Watch
Editor's Choice
๐Ÿ”ง Utilities
4.5๐Ÿ˜(1K ratings)
FreeAdsIn-App Purchases
Radio Wave Sync screenshot 1
Radio Wave Sync screenshot 2
Radio Wave Sync screenshot 3

This app helps synchronize radio-controlled watches by simulating time signal waves. It supports various international time signal standards and offers a 'Beast Mode' for faster synchronization. Simply place your watch near your device's speaker and start the process.

What We Love

  • ๐Ÿš€ Works as intended
  • ๐Ÿ‘ Easy to use
  • ๐Ÿ’ก Innovative solution
  • ๐Ÿ”’ Reliable sync
  • โฑ๏ธ Fast sync time

Room to Improve

  • ๐Ÿ› Inconsistent performance
  • ๐Ÿ’ฐ Paid version required
  • ๐Ÿ”‡ Audio issues
  • ๐Ÿค– Ads in paid version
  • ๐Ÿ” One-time use only
AtomicClock: NTP Time#3

AtomicClock: NTP Time by Timo Partl

Precision Clock, UTC Reference
Worth Considering
๐Ÿ”ง Utilities
4.8๐Ÿ˜Š(5.5K ratings)
FreeAdsIn-App Purchases
AtomicClock: NTP Time screenshot 1
AtomicClock: NTP Time screenshot 2
AtomicClock: NTP Time screenshot 3
AtomicClock: NTP Time screenshot 4
AtomicClock: NTP Time screenshot 5

This app displays the exact current time synchronized with NTP servers, offering a customizable clock view for precise time checks. It's ideal for setting watches, verifying timestamps, or comparing local and network time.

What We Love

  • ๐Ÿš€ Accurate time
  • ๐Ÿ‘ Highly customizable
  • ๐Ÿš€ Precise to the second
  • ๐Ÿ‘ Easy to use
  • ๐Ÿ‘ Helpful for setting watches
  • ๐Ÿ‘ Great for hobbyists and professionals
  • ๐Ÿ‘ Excellent time standard for watches
  • ๐Ÿ‘ Simple and straightforward

Room to Improve

  • ๐Ÿ› Server connection issues
  • ๐Ÿ” Limited time zone options
  • ๐Ÿ’ฐ Ads diminish clock view
  • ๐Ÿ” Lacks some advanced features
  • ๐Ÿ” Redundant for some users

More Clocksync apps to explore

FAQ about Clocksync

What are the best clocksync apps for iPhone?
Radio Wave Sync tops our clocksync apps ranking as of October 2026, with a 4.5-star average from 1K App Store ratings, and it's free to download.
Yes โ€” 17 of the top clocksync apps we rank are free to download, including Radio Wave Sync and AtomicClock: NTP Time.
Radio Wave Sync shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 247+ clocksync apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.