# Unit Converter & Calculators vs Unit Converter SDG

The clearest difference is in-app purchases: Unit Converter SDG at none against Unit Converter & Calculators's 1. Unit Converter SDG also leads on iOS requirement (11.0 vs 15.6). Unit Converter & Calculators's advantage is update cadence (every 5 days vs every 12 months). On price, ads and device support there is nothing between them.

Both are free to download. Unit Converter & Calculators sells 1 one-off in-app purchase. Unit Converter SDG asks for nothing beyond the download.

Unit Converter & Calculators ships an update every 5 days, Unit Converter SDG every 12 months. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Unit Converter & Calculators | Unit Converter SDG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (13 ratings)](https://appshunter.io/ios/app/unit-converter-sdg/id6741796782/reviews)** |
| Number of ratings | — | **13** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 12 months |
| Monetization | — | Ad-supported |
| Size | 34 MB | 12 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Umit YILMAZ](https://appshunter.io/developer/1772563348) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### Unit Converter & Calculators

[App page](https://appshunter.io/ios/app/unit-converter-and-calculators/id6736622331)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### Unit Converter SDG

[App page](https://appshunter.io/ios/app/unit-converter-sdg/id6741796782)

Easily convert between various units of measurement with this straightforward tool. Quickly and accurately switch from one unit to another for everyday tasks.

**Highlights:** Easy unit conversion, Accurate measurements, Simple interface, Quick switching between units

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter & Calculators free?

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

### Is Unit Converter SDG free?

Unit Converter SDG is free to download, with no in-app purchases.

### Do Unit Converter & Calculators or Unit Converter SDG have ads?

Both Unit Converter & Calculators and Unit Converter SDG show ads.

### Which is updated more often, Unit Converter & Calculators or Unit Converter SDG?

Unit Converter & Calculators ships an update every 5 days, and Unit Converter SDG every 12 months. Most recently, Unit Converter & Calculators was updated on October 8, 2026 and Unit Converter SDG on October 24, 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.*