# Unit Ⅽonverter vs Go Smart

The clearest difference is in-app purchases: Go Smart at none against Unit Ⅽonverter's 2. Go Smart also leads on ads (none vs shown) and iOS requirement (8.0 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Unit Ⅽonverter sells 2 in-app purchases, starting at $1.99 per month. Go Smart asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Unit Ⅽonverter | Go Smart |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 107 MB |
| Requires iOS | 18.0 | **8.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Polymath Company Limited](https://appshunter.io/developer/1072350394) | [Kai Ho Leung](https://appshunter.io/developer/1465393899) |

## What reviewers say

### Unit Ⅽonverter

[App page](https://appshunter.io/ios/app/unit-onverter/id1499479393)

Easily convert between over 1600 units of measurement across 75 categories, including custom units and complex calculations. Supports offline mode and offers a convenient history of your conversions.

**Highlights:** Convert over 1600 units in 75 categories, Supports custom units and combinations, Calculator for expression input, View conversion histories, Add favorite units, Offline mode, Copy and share results

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UnitConverterPremiumMonthly | $1.99 | per month |
| UnitConverterPremiumLifeTime | $33.99 | one-time |


### Go Smart

[App page](https://appshunter.io/ios/app/go-smart/id1521887323)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unit Ⅽonverter free?

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

### Is Go Smart free?

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

### Do Unit Ⅽonverter or Go Smart have ads?

Unit Ⅽonverter shows ads; Go Smart does not.

### Which is updated more often, Unit Ⅽonverter or Go Smart?

Unit Ⅽonverter ships an update every 3 weeks, and Go Smart every 3 weeks. Most recently, Unit Ⅽonverter was updated on October 12, 2026 and Go Smart 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.*