Comparison

SignalClock vs ClockChime

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SignalClock

Features
Read full description

Digital clock has time signal function based on Local Notification Center. 5 different signal sound sets (Digital Clock, Cuckoo, Voice, Whittington Chime,Church Bell). All fonts iOS 10 supports are available in clock. 5 tone type are available in all sound file sets.

About

ClockChime

This app announces the current time hourly and on the half-hour, helping you stay aware without checking your device. It offers native performance, low resource usage, and customizable chime settings.

Highlights
  • Hourly chime announcements
  • Half-hourly chime announcements
  • Voice time announcements
  • Smart skip during silent mode/calls
  • Customizable active days
  • Shake to speak functionality
  • Custom event reminders
Features
Read full description

ClockChime is a fully native SwiftUI-built iOS time-announcement app — lightweight, instant-launch, and buttery smooth. It speaks the current time on every hour and half-hour, so you stay aware without constantly checking your phone. Native Performance • 100% native app — no WebView wrapping. Fast launch, fluid animations, zero lag • Ultra-low memory footprint, near-zero battery impact in background • Deeply integrated with iOS native TTS engine for clear, low-latency speech • Robust background task scheduling — chimes continue when screen is locked or off • Full support for Dark Mode, Dynamic Type, and system accessibility features Free Features • Hourly Chime — 24 individual toggles for precise control • Voice Announcement — clear TTS reads out the time • Smart Skip — auto-silences during silent mode or calls • Flexible Active Days — choose which weekdays to chime • Bilingual — switch UI and voice between Chinese and English • No ads, no push notifications, no internet required “Unlock All Features” (One-Time Purchase) A single one-time purchase permanently unlocks these advanced features. No subscription, no hidden costs: • Half-Hourly Chime — equally precise half-hour time announcements • Shake to Speak — shake your phone to hear the current time instantly • Custom Events – Set personalized reminders to get timely notifications for important matters. Supports multiple modes including text-to-speech, audio selection, and self-recording. • Premium Voice Selection — unlock more high-quality TTS voices Your purchase is permanent and can be restored on any device via the “Restore Purchase” option — no need to pay again. Perfect For • Office workers, students, and freelancers managing their day • Near-zero resource usage — silently works in the background without affecting daily performance Download ClockChime — time with warmth.

Screenshots

SignalClock1 screens
ClockChime4 screens

Verdict

The call

The clearest difference is price: ClockChime at Free against SignalClock's $0.99. ClockChime also leads on update cadence (every 8 days vs every 5 months). SignalClock's advantage is iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

ClockChime is free to download; SignalClock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SignalClock ships an update every 5 months, ClockChime every 8 days. The most recent releases landed on September 27, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 5 level
SignalClock versus ClockChime: the parameters behind the verdict, then further details
ParameterSignalClockClockChime
Price$0.99Free — better
Positive reviews—100.0% of reviews
Update frequencyEvery 5 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size103 MB9 MB
Age rating4+4+
DeveloperMasafumi Endoh小明 张

In-app purchases

None

SignalClock

No in-app purchases

None

ClockChime

No in-app purchases

Questions

Is SignalClock free?
SignalClock costs $0.99, with no in-app purchases.
Is ClockChime free?
ClockChime is free to download, with no in-app purchases.
Do SignalClock or ClockChime have ads?
Neither SignalClock nor ClockChime shows ads.
Which is updated more often, SignalClock or ClockChime?
SignalClock ships an update every 5 months, and ClockChime every 8 days. Most recently, SignalClock was updated on September 27, 2026 and ClockChime on October 9, 2026.

Other comparisons