# CUE! Time Signal Sync vs ClockChime

The clearest difference is in-app purchases: ClockChime at none against CUE! Time Signal Sync's 1. ClockChime also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.6). On price, review sentiment, update cadence and monetization model there is nothing between them.

Both are free to download. CUE! Time Signal Sync sells 1 one-off in-app purchase. ClockChime asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 8 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CUE! Time Signal Sync | ClockChime |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | Every 8 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 6 MB | 9 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TAKAO OGASAWARA](https://appshunter.io/developer/1895349758) | [小明 张](https://appshunter.io/developer/1883078262) |

## What reviewers say

### CUE! Time Signal Sync

[App page](https://appshunter.io/ios/app/cue-time-signal-sync/id6769318519)

This app provides highly accurate time synchronization using NTP, offering visual and auditory cues for precise second-level timing. It's ideal for professionals who need to catch exact moments, such as during events, filming, or technical work.

**Highlights:** NTP-based time correction, 57/58/59/00-second countdowns, Signal sounds and haptics, Voice announcements, Landscape display mode, Display dimmer and keep-awake mode

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### 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 CUE! Time Signal Sync free?

CUE! Time Signal Sync is free to download, with in-app purchases available.

### Is ClockChime free?

ClockChime is free to download, with no in-app purchases.

### Do CUE! Time Signal Sync or ClockChime have ads?

CUE! Time Signal Sync shows ads; ClockChime does not.

### Which is updated more often, CUE! Time Signal Sync or ClockChime?

CUE! Time Signal Sync ships an update every 8 days, and ClockChime every 8 days. Most recently, CUE! Time Signal Sync was updated on October 14, 2026 and ClockChime on October 9, 2026.

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