# Customizable calculator vs CALKING

The clearest difference is price: Customizable calculator at Free against CALKING's $2.99. Customizable calculator also leads on iOS requirement (13.0 vs 17.0). CALKING's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Customizable calculator is free to download; CALKING costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Customizable calculator | CALKING |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | — |
| Size | 202 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hisashi Yoshizawa](https://appshunter.io/developer/1770019728) | [BYKING INC.](https://appshunter.io/developer/341311384) |

## What reviewers say

### Customizable calculator

[App page](https://appshunter.io/ios/app/customizable-calculator/id6740001661)

**In-app purchases:** none


### CALKING

[App page](https://appshunter.io/ios/app/calking/id6763190963)

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

**In-app purchases:** none


## Frequently asked questions

### Is Customizable calculator free?

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

### Is CALKING free?

CALKING costs $2.99, with no in-app purchases.

### Do Customizable calculator or CALKING have ads?

Customizable calculator shows ads; CALKING 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.*