# C vs VioletBox

The clearest difference is in-app purchases: C at none against VioletBox's 1. C also leads on update cadence (every 5 days vs every 3 weeks) and iOS requirement (15.4 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. VioletBox sells 1 one-off in-app purchase. C asks for nothing beyond the download.

C ships an update every 5 days, VioletBox every 3 weeks. The most recent releases landed on July 30, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | C | VioletBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/c-prot-mobile-security/id1312924022/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 13 MB | 29 MB |
| Requires iOS | **15.4** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [C-PROT SIBER GUVENLIK TEKNOLOJILERI SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1312924021) | [昊 陆](https://appshunter.io/developer/1398172088) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-prot-mobile-security/id1312924022)

This app offers comprehensive mobile device protection against online threats and malicious websites. It also optimizes device performance, secures data, and includes features like finding a lost device and backing up contacts.

**Highlights:** Protection against harmful web addresses, Memory and storage management, Internet security, Find lost device, Contacts backup, User-friendly interface

**Features:** macOS Compatibility, Safari Extension

**In-app purchases:** none


### VioletBox

[App page](https://appshunter.io/ios/app/violetbox/id6657981091)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| lifetime | $0.99 | one-time |


## Frequently asked questions

### Is C free?

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

### Is VioletBox free?

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

### Do C or VioletBox have ads?

Neither C nor VioletBox shows ads.

### Which is updated more often, C or VioletBox?

C ships an update every 5 days, and VioletBox every 3 weeks. Most recently, C was updated on July 30, 2026 and VioletBox on September 14, 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.*