# Calculator Zone vs Scannio

The clearest difference is in-app purchases: Calculator Zone at none against Scannio's 3. Calculator Zone also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Scannio sells 3 in-app purchases, starting at $1.99 per 7 days. Calculator Zone asks for nothing beyond the download.

## The numbers

| Metric | Calculator Zone | Scannio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Daily |
| Size | 72 MB | 62 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [AppStoneLab Technologies LLP](https://appshunter.io/developer/1003395637) | [Kin Man Leung](https://appshunter.io/developer/1716597027) |

## What reviewers say

### Calculator Zone

[App page](https://appshunter.io/ios/app/calculator-zone/id6451414632)

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

**In-app purchases:** none


### Scannio

[App page](https://appshunter.io/ios/app/scannio-qr-code-generator/id6759736128)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScannioPro | $1.99 | per 7 days |
| ScannioPro | $4.99 | per month |
| ScannioPro | $29.99 | per year |


## Frequently asked questions

### Is Calculator Zone free?

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

### Is Scannio free?

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

### Do Calculator Zone or Scannio have ads?

Scannio shows ads; Calculator Zone does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*