# Calculator 4.0 vs KeyConnect

The clearest difference is in-app purchases: KeyConnect at none against Calculator 4.0's 1. KeyConnect also leads on ads (none vs shown). Calculator 4.0's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price there is nothing between them.

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

## The numbers

| Metric | Calculator 4.0 | KeyConnect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (54 ratings)](https://appshunter.io/ios/app/calculator-40/id6445965184/reviews)** | — |
| Number of ratings | **54** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Edison Largo](https://appshunter.io/developer/978541799) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## 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 |


### KeyConnect

[App page](https://appshunter.io/ios/app/keyconnect-password-vault/id6768301084)

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

**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 KeyConnect free?

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

### Do Calculator 4.0 or KeyConnect have ads?

Calculator 4.0 shows ads; KeyConnect 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.*