# GUTCalc Physics Unit Converter vs PrefixCalc

The clearest difference is in-app purchases: PrefixCalc at none against GUTCalc Physics Unit Converter's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GUTCalc Physics Unit Converter sells 1 one-off in-app purchase. PrefixCalc asks for nothing beyond the download.

## The numbers

| Metric | GUTCalc Physics Unit Converter | PrefixCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/gutcalc-physics-unit-converter/id1526914857/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 28 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Timothy Wiser](https://appshunter.io/developer/1526914859) | [YONAGARE LAB](https://appshunter.io/developer/1810986554) |

## What reviewers say

### GUTCalc Physics Unit Converter

[App page](https://appshunter.io/ios/app/gutcalc-physics-unit-converter/id1526914857)

This calculator handles complex physics calculations with units. It supports SI, natural, and CGS units, physical constants, and functions. It automatically converts units and flags algebraic errors, with an option to upgrade for advanced organization and syncing features.

**Highlights:** SI, Natural, and CGS unit modes, Automatic unit conversion, Physical constants and functions, Implied multiplication, Custom keyboards, Unit checking for algebraic errors, Share and save results

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GUTCalc Pro | $2.99 | one-time |


### PrefixCalc

[App page](https://appshunter.io/ios/app/prefixcalc/id6748650037)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GUTCalc Physics Unit Converter free?

GUTCalc Physics Unit Converter is free to download, with in-app purchases available.

### Is PrefixCalc free?

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

### Do GUTCalc Physics Unit Converter or PrefixCalc have ads?

Neither GUTCalc Physics Unit Converter nor PrefixCalc shows ads.

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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.*