# SI To USCS unit Conversion vs Convert Units

The clearest difference is review sentiment: SI To USCS unit Conversion at 100% against Convert Units's 0%. SI To USCS unit Conversion also leads on rating (5.0 vs 1.0) and ads (none vs shown). Convert Units's advantage is ratings volume (3 vs 1) and iOS requirement (10.0 vs 14.3). 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.

SI To USCS unit Conversion holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 100% of SI To USCS unit Conversion's written reviews are positive against 0% of Convert Units's.

## The numbers

| Metric | SI To USCS unit Conversion | Convert Units |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/si-to-uscs-unit-conversion/id502598595/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/convert-units-unit-conversion/id1544182674/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | — |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 9 MB |
| Requires iOS | 14.3 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kaup Shenoy Associates](https://appshunter.io/developer/460148822) | [SK Studios Ltd](https://appshunter.io/developer/434192864) |

## What reviewers say

### SI To USCS unit Conversion

[App page](https://appshunter.io/ios/app/si-to-uscs-unit-conversion/id502598595)

This app facilitates quick unit conversions between SI and USCS/Imperial systems for engineering applications. It covers 18 major categories, including mass, length, volume, and thermodynamics properties. Users can input data and generate conversion tables.

**Highlights:** SI to USCS/Imperial unit conversion, 18 major unit categories, Engineering and applied science focus, Data input and conversion, Conversion table generation, Gas flow rate conversion

**Features:** macOS Compatibility

**In-app purchases:** none


### Convert Units

[App page](https://appshunter.io/ios/app/convert-units-unit-conversion/id1544182674)

Easily convert between metric and imperial units for everyday needs. Offers a wide range of converters including currency, temperature, and length, with offline access and a favorites list for quick use.

**Highlights:** Metric to imperial conversions, Offline access, Favorites list, Currency exchange rates, Convert to fractions, Up to eight significant digits

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

**In-app purchases:** none


## Frequently asked questions

### Is SI To USCS unit Conversion free?

SI To USCS unit Conversion is free to download, with no in-app purchases.

### Is Convert Units free?

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

### Which has better reviews, SI To USCS unit Conversion or Convert Units?

SI To USCS unit Conversion is rated higher. SI To USCS unit Conversion averages 5.0 out of 5 from 1 ratings, while Convert Units averages 1.0 from 3 ratings.

### Do SI To USCS unit Conversion or Convert Units have ads?

Convert Units shows ads; SI To USCS unit Conversion does not.

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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.*