# SmileClock vs Zing Alarm

The clearest difference is in-app purchases: Zing Alarm at none against SmileClock's 3. SmileClock's advantage is update cadence (every 3 days vs every 3 weeks) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. SmileClock sells 3 in-app purchases, starting at $1.99 per month. Zing Alarm asks for nothing beyond the download.

SmileClock ships an update every 3 days, Zing Alarm every 3 weeks. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SmileClock | Zing Alarm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 13 MB | 49 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Miqi Guangzhi Technology Co., Ltd.](https://appshunter.io/developer/6776113280) | [Luyao Tang](https://appshunter.io/developer/6809298410) |

## What reviewers say

### SmileClock

[App page](https://appshunter.io/ios/app/smileclock/id6792616575)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro monthly | $1.99 | per month |
| Pro Yearly | $6.99 | per year |
| Pro Lifetime | $7.99 | one-time |


### Zing Alarm

[App page](https://appshunter.io/ios/app/zing-alarm/id6809298408)

**In-app purchases:** none


## Frequently asked questions

### Is SmileClock free?

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

### Is Zing Alarm free?

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

### Do SmileClock or Zing Alarm have ads?

Neither SmileClock nor Zing Alarm shows ads.

### Which is updated more often, SmileClock or Zing Alarm?

SmileClock ships an update every 3 days, and Zing Alarm every 3 weeks. Most recently, SmileClock was updated on October 13, 2026 and Zing Alarm on October 24, 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.*