# Calc Pro vs SimpleCalc.

The clearest difference is ads: SimpleCalc. at none against Calc Pro's shown. SimpleCalc. also leads on device support (4 vs 2) and iOS requirement (15.0 vs 18.0). Calc Pro's advantage is update cadence (monthly vs every 7 months). On price 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.

Calc Pro ships an update monthly, SimpleCalc. every 7 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Calc Pro | SimpleCalc. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/calc-pro-simple-and-useful/id1444681142/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | Ad-supported | — |
| Size | 8 MB | 16 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Keita Nonaka](https://appshunter.io/developer/1252557006) | [Romain Rousseau](https://appshunter.io/developer/1645997193) |

## What reviewers say

### Calc Pro

[App page](https://appshunter.io/ios/app/calc-pro-simple-and-useful/id1444681142)

This powerful calculator handles complex equations and huge numbers with up to 15 digits of precision. It saves your calculation history, allowing you to reuse previous equations and answers. Access scientific functions like square root and logarithms easily with a swipe.

**Highlights:** Complex calculations, Huge number handling, Calculation history, Scientific functions, Dark Mode, Copy answer

**Features:** macOS Compatibility

**In-app purchases:** none


### SimpleCalc.

[App page](https://appshunter.io/ios/app/simplecalc/id6447461450)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calc Pro free?

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

### Is SimpleCalc. free?

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

### Do Calc Pro or SimpleCalc. have ads?

Calc Pro shows ads; SimpleCalc. does not.

### Which is updated more often, Calc Pro or SimpleCalc.?

Calc Pro ships an update monthly, and SimpleCalc. every 7 months. Most recently, Calc Pro was updated on October 24, 2026 and SimpleCalc. on October 30, 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.*