# Protelion VPN vs C

The clearest difference is in-app purchases: Protelion VPN at none against C's 3. Protelion VPN also leads on update cadence (every 4 months vs every 22 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. C sells 3 in-app purchases, starting at $9.99 per month. Protelion VPN asks for nothing beyond the download.

Protelion VPN ships an update every 4 months, C every 22 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Protelion VPN | C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/protelion-vpn/id1118874627/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 22 months |
| Monetization | Free | — |
| Size | 44 MB | 6 MB |
| Requires iOS | 15.6 | **14** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Protelion GmbH](https://appshunter.io/developer/1118874626) | [C-PROT SIBER GUVENLIK TEKNOLOJILERI SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1312924021) |

## What reviewers say

### Protelion VPN

[App page](https://appshunter.io/ios/app/protelion-vpn/id1118874627)

Securely connect your iOS device to a VPN using a proprietary data protocol. It offers symmetric encryption for data packets and requires encryption keys from your administrator to establish a connection.

**Highlights:** Secure VPN connection, Proprietary data protocol, Symmetric encryption, Session-less approach, UDP/TCP support

**Features:** macOS Compatibility

**In-app purchases:** none


### C

[App page](https://appshunter.io/ios/app/c-prot-vpn/id1499600746)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $9.99 | per month |
| 1 Year Subscription | $99.99 | per year |
| 1 Year VPN Subscription | $19.99 | one-time |


## Frequently asked questions

### Is Protelion VPN free?

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

### Is C free?

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

### Do Protelion VPN or C have ads?

Neither Protelion VPN nor C shows ads.

### Which is updated more often, Protelion VPN or C?

Protelion VPN ships an update every 4 months, and C every 22 months. Most recently, Protelion VPN was updated on October 24, 2026 and C on October 25, 2026.

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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.*