# ClearKey Calc vs Calcora

The clearest difference is in-app purchases: ClearKey Calc at none against Calcora's 2. ClearKey Calc also leads on ads (none vs shown). Calcora's advantage is iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Calcora sells 2 in-app purchases, starting at $0.99 per month. ClearKey Calc asks for nothing beyond the download.

## The numbers

| Metric | ClearKey Calc | Calcora |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Size | 30 MB | 41 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [鹏飞 陈](https://appshunter.io/developer/1891216752) | [Miner Tycoon Limited](https://appshunter.io/developer/1791660908) |

## What reviewers say

### ClearKey Calc

[App page](https://appshunter.io/ios/app/clearkey-calc/id6761746376)

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

**In-app purchases:** none


### Calcora

[App page](https://appshunter.io/ios/app/calcora/id6769693931)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP_month | $0.99 | per month |
| VIP_year | $4.99 | per year |


## Frequently asked questions

### Is ClearKey Calc free?

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

### Is Calcora free?

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

### Do ClearKey Calc or Calcora have ads?

Calcora shows ads; ClearKey Calc 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.*