# Designable Calculator vs ClearKey Calc

The clearest difference is in-app purchases: ClearKey Calc at none against Designable Calculator's 1. ClearKey Calc also leads on device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Designable Calculator sells 1 in-app purchase, starting at $9.99 per year. ClearKey Calc asks for nothing beyond the download.

## The numbers

| Metric | Designable Calculator | ClearKey Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Size | 19 MB | 30 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Batbayar Batbaatar](https://appshunter.io/developer/1082290586) | [鹏飞 陈](https://appshunter.io/developer/1891216752) |

## What reviewers say

### Designable Calculator

[App page](https://appshunter.io/ios/app/designable-calculator/id6587561422)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan | $9.99 | per year |


### ClearKey Calc

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Designable Calculator free?

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

### Is ClearKey Calc free?

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

### Do Designable Calculator or ClearKey Calc have ads?

Neither Designable Calculator nor ClearKey Calc shows ads.

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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.*