# Calculator 4.0 vs Chess Clock

The clearest difference is in-app purchases: Chess Clock at none against Calculator 4.0's 1. Chess Clock also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator 4.0 sells 1 one-off in-app purchase. Chess Clock asks for nothing beyond the download.

## The numbers

| Metric | Calculator 4.0 | Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (53 ratings)](https://appshunter.io/ios/app/calculator-40/id6445965184/reviews)** | — |
| Number of ratings | **53** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 37 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Edison Largo](https://appshunter.io/developer/978541799) | [Edwin Mejia](https://appshunter.io/developer/1620400021) |

## What reviewers say

### Calculator 4.0

[App page](https://appshunter.io/ios/app/calculator-40/id6445965184)

Perform daily calculations with a clean interface and large buttons. Features include decimal support, a calculation log, and two themes. Regular updates ensure continuous improvement and new functionalities.

**Highlights:** Intuitive interface with large buttons, Backspace key for corrections, Decimal point or comma support, Calculation display log, Two customizable themes, Regular updates with new features

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock/id6479915053)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator 4.0 free?

Calculator 4.0 is free to download, with in-app purchases available.

### Is Chess Clock free?

Chess Clock is free to download, with no in-app purchases.

### Do Calculator 4.0 or Chess Clock have ads?

Calculator 4.0 shows ads; Chess Clock 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.*