# Simple Calculator vs Smart Compass Pro

The clearest difference is price: Simple Calculator at Free against Smart Compass Pro's $2.99. Simple Calculator also leads on iOS requirement (15.0 vs 17.6). Smart Compass Pro's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Simple Calculator is free to download; Smart Compass Pro costs $2.99 up front. Simple Calculator sells 2 one-off in-app purchases. Smart Compass Pro asks for nothing beyond the download.

## The numbers

| Metric | Simple Calculator | Smart Compass Pro |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 9 MB | 21 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takao Ichimura](https://appshunter.io/developer/1474061593) | [nakhon phagdeechat](https://appshunter.io/developer/386312256) |

## What reviewers say

### Simple Calculator

[App page](https://appshunter.io/ios/app/simple-calculator-practicalc/id6760546131)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Remove Ads + Support | $2.99 | one-time |


### Smart Compass Pro

[App page](https://appshunter.io/ios/app/smart-compass-pro/id6771642420)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Simple Calculator free?

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

### Is Smart Compass Pro free?

Smart Compass Pro costs $2.99, with no in-app purchases.

### Do Simple Calculator or Smart Compass Pro have ads?

Simple Calculator shows ads; Smart Compass 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.*