# Defndr vs Cybertrixs Security

The clearest difference is rating: Cybertrixs Security at 5.0 against Defndr's 3.0. Cybertrixs Security also leads on device support (4 vs 1) and iOS requirement (15.0 vs 18.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Defndr sells 2 in-app purchases, starting at $14.99 per year and Cybertrixs Security sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Cybertrixs Security holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | Defndr | Cybertrixs Security |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/defndr-sms-spam-blocker/id6744261309/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cybertrixs-security/id6746727338/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 26 MB | 16 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [DRO1D LABS LIMITED](https://appshunter.io/developer/1803083780) | [Cybertrixs LLC](https://appshunter.io/developer/1814496734) |

## What reviewers say

### Defndr

[App page](https://appshunter.io/ios/app/defndr-sms-spam-blocker/id6744261309)

This app acts as an SMS firewall, using on-device AI to detect and block spam, phishing, and scams. It prioritizes user privacy by processing all data locally on your device, ensuring your messages never leave your iPhone. Offers both free and premium features for enhanced protection.

**Highlights:** On-device AI spam detection, Phishing and scam blocking, Zero-trust privacy, Custom keyword blocking, Link protection, Unlimited custom block lists (Pro), Allow lists for trusted contacts (Pro)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Defndr Premium Yearly | $14.99 | per year |
| Defndr Lifetime Premium Access | $34.99 | one-time |


### Cybertrixs Security

[App page](https://appshunter.io/ios/app/cybertrixs-security/id6746727338)

This app provides advanced online protection with an integrated Safari extension. It blocks malicious websites, trackers, and ads, while delivering timely security alerts and expert tips for safe browsing.

**Highlights:** Block malicious websites and domains, Instant security update alerts, Privacy protection by blocking ads and trackers, Weekly cybersecurity tips, Safe and informed browsing

**Features:** Safari Extension

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $5.99 | per month |
| Yearly Plan | $59.99 | per year |


## Frequently asked questions

### Is Defndr free?

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

### Is Cybertrixs Security free?

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

### Which has better reviews, Defndr or Cybertrixs Security?

Cybertrixs Security is rated higher. Defndr averages 3.0 out of 5 from 2 ratings, while Cybertrixs Security averages 5.0 from 1 ratings.

### Do Defndr or Cybertrixs Security have ads?

Neither Defndr nor Cybertrixs Security shows ads.

### Which is updated more often, Defndr or Cybertrixs Security?

Defndr ships an update every 3 weeks, and Cybertrixs Security every 3 weeks. Most recently, Defndr was updated on October 30, 2026 and Cybertrixs Security on October 30, 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.*