# 01Converter vs ProCalc+

The clearest difference is rating: ProCalc+ at 5.0 against 01Converter's 4.5. 01Converter's advantage is iOS requirement (8.1 vs 12.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

ProCalc+ holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | 01Converter | ProCalc+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/01converter/id334626954/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/procalc-plus/id6744267184/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 94.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Monetization | Free | Free |
| Size | 11 MB | 28 MB |
| Requires iOS | **8.1** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Francesco Burelli](https://appshunter.io/developer/334626957) | [Rachit Agarwal](https://appshunter.io/developer/1750646094) |

## What reviewers say

### 01Converter

[App page](https://appshunter.io/ios/app/01converter/id334626954)

This app allows for easy conversion between binary, hexadecimal, octal, and decimal number systems. It also includes functions for bitwise operations like shifting and arithmetic operations such as adding or subtracting one. An optimized keyboard simplifies input for various number bases.

**Highlights:** Number system conversion (binary, hex, octal, decimal), Unicode conversion, Shift left function, Shift right function, Add 1 function, Subtract 1 function

**Features:** macOS Compatibility

**In-app purchases:** none


### ProCalc+

[App page](https://appshunter.io/ios/app/procalc-plus/id6744267184)

This advanced calculator app offers a wide range of functions for students, engineers, and daily math needs. It features trigonometric, exponential, and logarithmic capabilities, along with a history memory and customizable themes. The app works offline and provides instant, accurate results.

**Highlights:** Advanced scientific functions, Calculation history memory, Clean and fast interface, Customizable themes, Offline functionality, Instant results

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 01Converter free?

01Converter is free to download, with no in-app purchases.

### Is ProCalc+ free?

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

### Which has better reviews, 01Converter or ProCalc+?

ProCalc+ is rated higher. 01Converter averages 4.5 out of 5 from 2 ratings, while ProCalc+ averages 5.0 from 1 ratings.

### Do 01Converter or ProCalc+ have ads?

Neither 01Converter nor ProCalc+ 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.*