# C vs Online Security App

The clearest difference is in-app purchases: C at none against Online Security App's 3. C also leads on update cadence (every 5 days vs every 11 days). Online Security App's advantage is review sentiment (94% vs 75%) and rating (4.5 vs 4.3). On price, ads and device support there is nothing between them.

Both are free to download. Online Security App sells 3 in-app purchases, starting at $7.99 per 7 days. C asks for nothing beyond the download.

Online Security App holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Online Security App has 52 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 75% of C's written reviews are positive against 94% of Online Security App's.

C ships an update every 5 days, Online Security App every 11 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | C | Online Security App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/c-prot-mobile-security/id1312924022/reviews) | **[4.5 (52 ratings)](https://appshunter.io/ios/app/online-security-app/id6446363119/reviews)** |
| Number of ratings | 6 | **52** |
| Positive reviews | 75.0% of reviews | **94.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 11 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 56 MB |
| Requires iOS | 15.4 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [C-PROT SIBER GUVENLIK TEKNOLOJILERI SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1312924021) | [Online Security LTD](https://appshunter.io/developer/1677544950) |

## 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


### Online Security App

[App page](https://appshunter.io/ios/app/online-security-app/id6446363119)

This app provides comprehensive security and privacy tools for iPhones. It offers features like identity protection, a password manager, secure VPN browsing, and real-time threat monitoring to safeguard your digital life.

**Highlights:** Device Info, Identity Protection, Password Manager, VPN Secure Browsing, Real-time Call Blocker, Anti-Theft

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $7.99 | per 7 days |
| Premium | $29.99 | per month |
| Premium | $59.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🔒 Feels secure
- 🚀 Works well
- 👍 Reliable
- 👍 Free version is good

**What reviewers complain about**

- 💰 Subscription required for help
- 💰 Too many in-app purchases


## Frequently asked questions

### Is C free?

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

### Is Online Security App free?

Online Security App is free to download, with in-app purchases available.

### Which has better reviews, C or Online Security App?

Online Security App is rated higher. C averages 4.3 out of 5 from 6 ratings, while Online Security App averages 4.5 from 52 ratings.

### Do C or Online Security App have ads?

Neither C nor Online Security App shows ads.

### Which is updated more often, C or Online Security App?

C ships an update every 5 days, and Online Security App every 11 days. Most recently, C was updated on October 4, 2026 and Online Security App on October 6, 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.*