# Sungong vs ClockChime

The clearest difference is in-app purchases: Sungong at none against ClockChime's 1. ClockChime's advantage is ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. ClockChime sells 1 one-off in-app purchase. Sungong asks for nothing beyond the download.

Sungong ships an update every 11 days, ClockChime every 8 days. The most recent releases landed on November 10, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sungong | ClockChime |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 51 MB | 23 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [joonseo park](https://appshunter.io/developer/1265149051) | [小明 张](https://appshunter.io/developer/1883078262) |

## What reviewers say

### Sungong

[App page](https://appshunter.io/ios/app/sungong-pomodoro-study-timer/id6776498059)

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

**In-app purchases:** none


### ClockChime

[App page](https://appshunter.io/ios/app/clockchime-speaking-clock/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 (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $0.99 | one-time |


## Frequently asked questions

### Is Sungong free?

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

### Is ClockChime free?

ClockChime is free to download, with in-app purchases available.

### Do Sungong or ClockChime have ads?

Sungong shows ads; ClockChime does not.

### Which is updated more often, Sungong or ClockChime?

Sungong ships an update every 11 days, and ClockChime every 8 days. Most recently, Sungong was updated on November 10, 2026 and ClockChime on November 5, 2026.

---

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