# units vs Unit Converter SDG

The clearest difference is ads: units at none against Unit Converter SDG's shown. units also leads on update cadence (fortnightly vs every 12 months) and iOS requirement (9.3 vs 11.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

units ships an update fortnightly, Unit Converter SDG every 12 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | units | 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 | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 12 months |
| Monetization | — | Ad-supported |
| Size | 18 MB | 12 MB |
| Requires iOS | **9.3** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Ngo](https://appshunter.io/developer/1134969498) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### units

[App page](https://appshunter.io/ios/app/units-converter/id1134969499)

**In-app purchases:** none


### 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 units free?

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

### Is Unit Converter SDG free?

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

### Do units or Unit Converter SDG have ads?

Unit Converter SDG shows ads; units does not.

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

units ships an update fortnightly, and Unit Converter SDG every 12 months. Most recently, units was updated on November 2, 2026 and Unit Converter SDG 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.*