# unitCalc vs 時辰鐘

The clearest difference is update cadence: 時辰鐘 at every 4 days against unitCalc's monthly. unitCalc's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

unitCalc ships an update monthly, 時辰鐘 every 4 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | unitCalc | 時辰鐘 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 1 MB | 6 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [培祐 黃](https://appshunter.io/developer/1053411333) | [Kwok Shun FUNG](https://appshunter.io/developer/1823726150) |

## What reviewers say

### unitCalc

[App page](https://appshunter.io/ios/app/unitcalc/id6445979881)

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

**In-app purchases:** none


### 時辰鐘

[App page](https://appshunter.io/ios/app/id6757441795)

**In-app purchases:** none


## Frequently asked questions

### Is unitCalc free?

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

### Is 時辰鐘 free?

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

### Do unitCalc or 時辰鐘 have ads?

Neither unitCalc nor 時辰鐘 shows ads.

### Which is updated more often, unitCalc or 時辰鐘?

unitCalc ships an update monthly, and 時辰鐘 every 4 days. Most recently, unitCalc was updated on October 27, 2026 and 時辰鐘 on October 25, 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.*