# K7 Mobile Security vs Privacy Defender

The clearest difference is review sentiment: Privacy Defender at 74% against K7 Mobile Security's 17%. Privacy Defender also leads on rating (4.0 vs 2.7) and update cadence (every 3 weeks vs every 6 months). K7 Mobile Security's advantage is monetization model (free with in-app purchases vs subscription). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. K7 Mobile Security sells 1 one-off in-app purchase and Privacy Defender sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Privacy Defender holds the better App Store score, 4.0 against 2.7. That said, the two scores are not equally well evidenced: Privacy Defender has 30 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 17% of K7 Mobile Security's written reviews are positive against 74% of Privacy Defender's.

K7 Mobile Security ships an update every 6 months, Privacy Defender every 3 weeks. The most recent releases landed on September 15, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | K7 Mobile Security | Privacy Defender |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/k7-mobile-security/id1109378462/reviews) | **[4.0 (30 ratings)](https://appshunter.io/ios/app/privacy-defender-security/id1588734793/reviews)** |
| Number of ratings | 3 | **30** |
| Positive reviews | 16.7% of reviews | **73.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 16 MB | 66 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [K7 Computing Pvt Ltd](https://appshunter.io/developer/1109378461) | [Pligence Inc.](https://appshunter.io/developer/1588734795) |

## What reviewers say

### K7 Mobile Security

[App page](https://appshunter.io/ios/app/k7-mobile-security/id1109378462)

Safeguard your personal data and privacy from cyber threats with comprehensive web protection, device tracking, and privacy checks. It also helps manage data usage and analyze system resources.

**Highlights:** Web Protection, Safe Browser, Device Tracker, Privacy Check, Data Manager, Wi-Fi Security Advisor

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| K7 Mobile Security | $6.99 | one-time |


### Privacy Defender

[App page](https://appshunter.io/ios/app/privacy-defender-security/id1588734793)

This all-in-one mobile security app offers online protection, ad blocking, and identity safeguards. It secures your personal information with a password manager, secure notes, and safe browsing features. Stay informed about security threats and protect your data from malware and phishing.

**Highlights:** Online security and safe browsing, Ad and tracker blocking, Password manager with secure notes, AES 256-bit encryption, Face ID/Fingerprint unlock, Security news and awareness

**Features:** Safari Extension

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Privacy Defender - Per Month | $1.99 | per month |
| Privacy Defender - 6 Months | $10.99 | per 6 months |
| Privacy Defender  - 1 Year | $20.99 | per year |


## Frequently asked questions

### Is K7 Mobile Security free?

K7 Mobile Security is free to download, with in-app purchases available.

### Is Privacy Defender free?

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

### Which has better reviews, K7 Mobile Security or Privacy Defender?

Privacy Defender is rated higher. K7 Mobile Security averages 2.7 out of 5 from 3 ratings, while Privacy Defender averages 4.0 from 30 ratings.

### Do K7 Mobile Security or Privacy Defender have ads?

Neither K7 Mobile Security nor Privacy Defender shows ads.

### Which is updated more often, K7 Mobile Security or Privacy Defender?

K7 Mobile Security ships an update every 6 months, and Privacy Defender every 3 weeks. Most recently, K7 Mobile Security was updated on September 15, 2026 and Privacy Defender on August 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.*