# Input Calculator vs ProCalc

The clearest difference is in-app purchases: Input Calculator at none against ProCalc's 4. Input Calculator also leads on ads (none vs shown). ProCalc's advantage is iOS requirement (13.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. ProCalc sells 4 one-off in-app purchases. Input Calculator asks for nothing beyond the download.

## The numbers

| Metric | Input Calculator | ProCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/input-calculator/id6702001389/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Monthly |
| Monetization | Free | — |
| Size | 1 MB | 34 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shafqat Rahman](https://appshunter.io/developer/1743700538) | [Penquinzoo Limited](https://appshunter.io/developer/1551454365) |

## What reviewers say

### Input Calculator

[App page](https://appshunter.io/ios/app/input-calculator/id6702001389)

This app offers both basic and scientific calculation modes, supporting a wide range of operations including trigonometry and logarithms. It features a clear expression display, customizable themes, and haptic feedback for an enhanced user experience.

**Highlights:** Basic and scientific calculation modes, Trigonometric and logarithmic functions, Full expression display, Dark and light mode options, Haptic feedback on button press, Theme customization, Responsive layout for various devices

**Features:** macOS Compatibility

**In-app purchases:** none


### ProCalc

[App page](https://appshunter.io/ios/app/procalc-calculator-app/id6756341509)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Flat themes | $3.99 | one-time |
| Graphs and pdf export. | $3.99 | one-time |
| Unlock Neon themes | $4.99 | one-time |
| All  themes | $4.99 | one-time |


## Frequently asked questions

### Is Input Calculator free?

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

### Is ProCalc free?

ProCalc is free to download, with in-app purchases available.

### Do Input Calculator or ProCalc have ads?

ProCalc shows ads; Input Calculator 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.*