# Simple Calculator vs Calculator Ultra

The clearest difference is in-app purchases: Calculator Ultra at none against Simple Calculator's 2. Calculator Ultra also leads on ads (none vs shown). Simple Calculator's advantage is iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Simple Calculator sells 2 one-off in-app purchases. Calculator Ultra asks for nothing beyond the download.

## The numbers

| Metric | Simple Calculator | Calculator Ultra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 9 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takao Ichimura](https://appshunter.io/developer/1474061593) | [phakin chatngamapichat](https://appshunter.io/developer/6792130022) |

## 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 |


### Calculator Ultra

[App page](https://appshunter.io/ios/app/calculator-ultra-smart-math/id6792903428)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple Calculator free?

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

### Is Calculator Ultra free?

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

### Do Simple Calculator or Calculator Ultra have ads?

Simple Calculator shows ads; Calculator Ultra 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.*