# KastroVPN vs AoBai

The clearest difference is in-app purchases: KastroVPN at none against AoBai's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AoBai sells 2 in-app purchases, starting at $9.99 per month. KastroVPN asks for nothing beyond the download.

## The numbers

| Metric | KastroVPN | AoBai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 92 MB | 182 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [AWIS Group, LLC](https://appshunter.io/developer/1580788700) | [FEB PTE. LTD](https://appshunter.io/developer/1820349667) |

## What reviewers say

### KastroVPN

[App page](https://appshunter.io/ios/app/kastrovpn/id6790453647)

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

**In-app purchases:** none


### AoBai

[App page](https://appshunter.io/ios/app/aobai-secure-fast-proxy/id6790783801)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pass | $9.99 | per month |
| Yearly Pass (7-Day Trial) | $89.99 | per year |


## Frequently asked questions

### Is KastroVPN free?

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

### Is AoBai free?

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

### Do KastroVPN or AoBai have ads?

Neither KastroVPN nor AoBai 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.*