# Unit Converter vs SmartCheck by Verifik

The clearest difference is update cadence: Unit Converter at every 4 days against SmartCheck by Verifik's monthly. Unit Converter also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Unit Converter sells 1 one-off in-app purchase and SmartCheck by Verifik sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Unit Converter ships an update every 4 days, SmartCheck by Verifik monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Unit Converter | SmartCheck by Verifik |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/unit-converter-auc/id1565736843/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 23 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Andre Leite Barbosa Costa](https://appshunter.io/developer/984337133) | [Verifik LLC](https://appshunter.io/developer/1737275441) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-auc/id1565736843)

This tool offers quick and precise conversions for over 20 categories, including units of measurement and currency. Its user-friendly interface makes it ideal for students, travelers, and hobbyists needing reliable results on the go.

**Highlights:** 20+ conversion categories, Real-time currency exchange rates, Intuitive user interface, Offline conversion capability, Accurate and fast results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads & Unlock All Themes | $4.99 | one-time |


### SmartCheck by Verifik

[App page](https://appshunter.io/ios/app/smartcheck-by-verifik/id6480062545)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $3.99 | per month |
| Plus | $12.99 | per month |


## Frequently asked questions

### Is Unit Converter free?

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

### Is SmartCheck by Verifik free?

SmartCheck by Verifik is free to download, with in-app purchases available.

### Do Unit Converter or SmartCheck by Verifik have ads?

Both Unit Converter and SmartCheck by Verifik show ads.

### Which is updated more often, Unit Converter or SmartCheck by Verifik?

Unit Converter ships an update every 4 days, and SmartCheck by Verifik monthly. Most recently, Unit Converter was updated on November 3, 2026 and SmartCheck by Verifik on November 4, 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.*