# SignalClock vs ClockChime

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.

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

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.

## The numbers

| Metric | SignalClock | ClockChime |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 103 MB | 9 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masafumi Endoh](https://appshunter.io/developer/757354996) | [小明 张](https://appshunter.io/developer/1883078262) |

## What reviewers say

### SignalClock

[App page](https://appshunter.io/ios/app/signalclock/id757354993)

**Features:** macOS Compatibility

**In-app purchases:** none


### ClockChime

[App page](https://appshunter.io/ios/app/clockchime/id6784470673)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*