# Calcu. vs FlyLink VPN

The clearest difference is in-app purchases: FlyLink VPN at none against Calcu.'s 1. Calcu.'s advantage is iOS requirement (12.0 vs 15). On price, ads and device support there is nothing between them.

Both are free to download. Calcu. sells 1 one-off in-app purchase. FlyLink VPN asks for nothing beyond the download.

## The numbers

| Metric | Calcu. | FlyLink VPN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 43 MB | 37 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nikita Bondar](https://appshunter.io/developer/1746024479) | [Silicon Nexus](https://appshunter.io/developer/1880518146) |

## What reviewers say

### Calcu.

[App page](https://appshunter.io/ios/app/calcu/id6502589867)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


### FlyLink VPN

[App page](https://appshunter.io/ios/app/flylink-vpn/id6761505737)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calcu. free?

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

### Is FlyLink VPN free?

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

### Do Calcu. or FlyLink VPN have ads?

Neither Calcu. nor FlyLink VPN 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.*