# FastCalc lite vs CompisCalculator Pro

The clearest difference is rating: CompisCalculator Pro at 5.0 against FastCalc lite's 3.8. CompisCalculator Pro also leads on update cadence (every 3 weeks vs every 5 months) and iOS requirement (15.0 vs 26.0). FastCalc lite's advantage is in-app purchases (none vs 1) and ratings volume (15 vs 2). On price, ads, monetization model and device support there is nothing between them.

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

CompisCalculator Pro holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: FastCalc lite has 15 ratings behind it against 2, so its average is the more settled of the two.

FastCalc lite ships an update every 5 months, CompisCalculator Pro every 3 weeks. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | FastCalc lite | CompisCalculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (15 ratings)](https://appshunter.io/ios/app/fastcalc-lite/id432417448/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/compiscalculator-pro/id6451198443/reviews)** |
| Number of ratings | **15** | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 9 MB | 3 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andre Ponzo](https://appshunter.io/developer/350419997) | [Karl Noreland](https://appshunter.io/developer/1697120498) |

## What reviewers say

### FastCalc lite

[App page](https://appshunter.io/ios/app/fastcalc-lite/id432417448)

This calculator app offers a streamlined experience with large, easy-to-use keys and a permanent display of your calculations. It automatically shows results as you type, eliminating the need for an equals button.

**Highlights:** Large, easy-to-read keys, Permanent expression display, Automatic result display, Gesture-based interface, Integrated help videos

**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 FastCalc lite free?

FastCalc lite 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, FastCalc lite or CompisCalculator Pro?

CompisCalculator Pro is rated higher. FastCalc lite averages 3.8 out of 5 from 15 ratings, while CompisCalculator Pro averages 5.0 from 2 ratings.

### Do FastCalc lite or CompisCalculator Pro have ads?

Neither FastCalc lite nor CompisCalculator Pro shows ads.

### Which is updated more often, FastCalc lite or CompisCalculator Pro?

FastCalc lite ships an update every 5 months, and CompisCalculator Pro every 3 weeks. Most recently, FastCalc lite was updated on October 3, 2026 and CompisCalculator Pro on October 15, 2026.

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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.*