# F vs C

The clearest difference is rating: C at 4.3 against F's 3.7. C also leads on update cadence (every 5 days vs every 5 weeks) and review sentiment (75% vs 50%). F's advantage is iOS requirement (12.0 vs 15.4). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

C holds the better App Store score, 4.3 against 3.7. Both are backed by a comparable volume of ratings — 9 and 6 respectively. Written reviews point the same way: 50% of F's written reviews are positive against 75% of C's.

F ships an update every 5 weeks, C every 5 days. The most recent releases landed on August 13, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | F | C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (9 ratings)](https://appshunter.io/ios/app/f-secure-sense-router/id1062846796/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/c-prot-mobile-security/id1312924022/reviews)** |
| Number of ratings | **9** | 6 |
| Positive reviews | 50.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 43 MB | 13 MB |
| Requires iOS | **12.0** | 15.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [F-Secure Corporation](https://appshunter.io/developer/425351654) | [C-PROT SIBER GUVENLIK TEKNOLOJILERI SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1312924021) |

## What reviewers say

### F

[App page](https://appshunter.io/ios/app/f-secure-sense-router/id1062846796)

This app works with a dedicated security router to protect all connected devices in your home network from online threats. It offers real-time monitoring and security for everything from computers to smart home devices.

**Highlights:** Secures entire home network, Protects all connected devices, Real-time threat monitoring, IoT security technology, Mobile network management, Cloud-based protection

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is F free?

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

### Is C free?

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

### Which has better reviews, F or C?

C is rated higher. F averages 3.7 out of 5 from 9 ratings, while C averages 4.3 from 6 ratings.

### Do F or C have ads?

Neither F nor C shows ads.

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

F ships an update every 5 weeks, and C every 5 days. Most recently, F was updated on August 13, 2026 and C on October 21, 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.*