# Smart Unit Conversion vs SOWCH

The clearest difference is in-app purchases: SOWCH at none against Smart Unit Conversion's 1. Smart Unit Conversion's advantage is device support and iOS requirement (13.4 vs 15.6). On price there is nothing between them.

Both are free to download. Smart Unit Conversion sells 1 in-app purchase, starting at $1.99 per year. SOWCH asks for nothing beyond the download.

## The numbers

| Metric | Smart Unit Conversion | SOWCH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 15 months | — |
| Size | 41 MB | 4 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [Yui Lau](https://appshunter.io/developer/1791465155) | [SOW CHENG TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1462877065) |

## What reviewers say

### Smart Unit Conversion

[App page](https://appshunter.io/ios/app/smart-unit-conversion/id1643381985)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Year | $1.99 | per year |


### SOWCH

[App page](https://appshunter.io/ios/app/sowch-st188/id6504475768)

**In-app purchases:** none


## Frequently asked questions

### Is Smart Unit Conversion free?

Smart Unit Conversion is free to download, with in-app purchases available.

### Is SOWCH free?

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

---

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