# LetsDefend vs CC Mastery

The clearest difference is rating: CC Mastery at 4.7 against LetsDefend's 2.5. CC Mastery also leads on in-app purchases (none vs 2) and ads (none vs shown). LetsDefend's advantage is update cadence (every 2 weeks vs every 4 months) and device support (3 vs 1). On price, ratings volume and iOS requirement there is nothing between them.

Both are free to download. LetsDefend sells 2 in-app purchases, starting at $12.99 per month. CC Mastery asks for nothing beyond the download.

CC Mastery holds the better App Store score, 4.7 against 2.5. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

LetsDefend ships an update every 2 weeks, CC Mastery every 4 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LetsDefend | CC Mastery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/letsdefend/id6741323626/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/cc-mastery-study-and-quiz-2026/id6745747218/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 98 MB | 62 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LetsDefend](https://appshunter.io/developer/1793754609) | [Suman Bhattarai](https://appshunter.io/developer/1806188874) |

## What reviewers say

### LetsDefend

[App page](https://appshunter.io/ios/app/letsdefend/id6741323626)

Learn cybersecurity with interactive courses and hands-on simulations. Protect against digital threats, join a global community, and advance your career. Master threat detection and analysis with expert guidance.

**Highlights:** Interactive cybersecurity courses, Hands-on threat simulations, Threat detection tools and techniques, Community and expert support, Customizable learning paths, Mobile learning platform

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP+ | $12.99 | per month |
| VIP+ Annual | $89.99 | per year |

**What reviewers like**

- 💡 Structured learning with quizzes and labs
- 👍 Certification opportunities for VIP users

**What reviewers complain about**

- 🐛 Login issues - unable to log in with existing accounts
- 🐛 App not recognizing VIP subscription
- 🐛 Ads preventing progress through content
- 🔒 Lack of trust in company due to login problems

**Reported bugs**

- Login credentials not working in app
- App not recognizing VIP subscription
- Ads blocking progress through content

**Requested features**

- Ability to log in with existing accounts
- Seamless integration between app and website


### CC Mastery

[App page](https://appshunter.io/ios/app/cc-mastery-study-and-quiz-2026/id6745747218)

Prepare for the ISC2 Certified in Cybersecurity (CC) exam with structured study materials and interactive quizzes. Master core cybersecurity concepts through chapter-based learning and track your progress to identify areas for improvement. This app helps aspiring professionals gain confidence for certification readiness.

**Highlights:** Full course content, Chapter-based learning, Practice quizzes, Progress tracking, Quiz history and scores

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

**In-app purchases:** none


## Frequently asked questions

### Is LetsDefend free?

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

### Is CC Mastery free?

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

### Which has better reviews, LetsDefend or CC Mastery?

CC Mastery is rated higher. LetsDefend averages 2.5 out of 5 from 4 ratings, while CC Mastery averages 4.7 from 3 ratings.

### Do LetsDefend or CC Mastery have ads?

LetsDefend shows ads; CC Mastery does not.

### Which is updated more often, LetsDefend or CC Mastery?

LetsDefend ships an update every 2 weeks, and CC Mastery every 4 months. Most recently, LetsDefend was updated on October 24, 2026 and CC Mastery on October 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.*