# HistoCalc Calculator vs CompisCalculator Pro

The clearest difference is rating: CompisCalculator Pro at 5.0 against HistoCalc Calculator's 3.7. CompisCalculator Pro also leads on ads (none vs shown). HistoCalc Calculator's advantage is in-app purchases (none vs 1). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. CompisCalculator Pro sells 1 one-off in-app purchase. HistoCalc Calculator asks for nothing beyond the download.

CompisCalculator Pro holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

## The numbers

| Metric | HistoCalc Calculator | CompisCalculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/histocalc-calculator/id1604776912/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/compiscalculator-pro/id6451198443/reviews)** |
| Number of ratings | 3 | 3 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 3 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 4 MB | 3 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FB PUBLISHING LLC](https://appshunter.io/developer/363781200) | [Karl Noreland](https://appshunter.io/developer/1697120498) |

## What reviewers say

### HistoCalc Calculator

[App page](https://appshunter.io/ios/app/histocalc-calculator/id1604776912)

This calculator displays your ongoing calculations and stores results as clickable buttons for reuse. Save time with its clean interface and ensure accuracy by seeing exactly what you've typed. It offers unlimited storage for past results.

**Highlights:** Real-time calculation display, Reusable result buttons, Unlimited stored results, Horizontal scroll for history, Clear interface, Reset function

**Features:** macOS Compatibility

**In-app purchases:** none


### CompisCalculator Pro

[App page](https://appshunter.io/ios/app/compiscalculator-pro/id6451198443)

A scientific calculator designed to enhance productivity with features like real-time results, unit conversion, and custom buttons. It offers a date calculator, customizable appearance, and is optimized for iPad.

**Highlights:** Real-time calculation results, Integrated unit and currency converter, Customizable buttons and functions, Date and time difference calculator, Calculation history, Customizable appearance, iPad optimization

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CompisCalculator premium | $2.49 | one-time |


## Frequently asked questions

### Is HistoCalc Calculator free?

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

### Is CompisCalculator Pro free?

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

### Which has better reviews, HistoCalc Calculator or CompisCalculator Pro?

CompisCalculator Pro is rated higher. HistoCalc Calculator averages 3.7 out of 5 from 3 ratings, while CompisCalculator Pro averages 5.0 from 3 ratings.

### Do HistoCalc Calculator or CompisCalculator Pro have ads?

HistoCalc Calculator shows ads; CompisCalculator Pro 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.*