# ITS Tarnów vs Smart Unit Conversion

The clearest difference is in-app purchases: ITS Tarnów at none against Smart Unit Conversion's 1. ITS Tarnów also leads on ads (none vs shown) and update cadence (every 4 months vs every 15 months). On price and device support there is nothing between them.

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

ITS Tarnów ships an update every 4 months, Smart Unit Conversion every 15 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ITS Tarnów | Smart Unit Conversion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 15 months |
| Size | 40 MB | 41 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Zarząd Dróg i Komunikacji w Tarnowie](https://appshunter.io/developer/1540572368) | [Yui Lau](https://appshunter.io/developer/1791465155) |

## What reviewers say

### ITS Tarnów

[App page](https://appshunter.io/ios/app/its-tarnow/id1540572366)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is ITS Tarnów free?

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

### Is Smart Unit Conversion free?

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

### Do ITS Tarnów or Smart Unit Conversion have ads?

Smart Unit Conversion shows ads; ITS Tarnów does not.

### Which is updated more often, ITS Tarnów or Smart Unit Conversion?

ITS Tarnów ships an update every 4 months, and Smart Unit Conversion every 15 months. Most recently, ITS Tarnów was updated on October 7, 2026 and Smart Unit Conversion on October 8, 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.*