# CompTIA Security+ by LearnZapp vs LetsDefend

The clearest difference is review sentiment: CompTIA Security+ by LearnZapp at 83% against LetsDefend's 9%. CompTIA Security+ by LearnZapp also leads on rating (4.5 vs 4.0) and ads (none vs shown). LetsDefend's advantage is update cadence (every 2 weeks vs every 4 months). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. CompTIA Security+ by LearnZapp sells 5 in-app purchases, starting at $2.99 per 7 days and LetsDefend sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

CompTIA Security+ by LearnZapp holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: CompTIA Security+ by LearnZapp has 116 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 83% of CompTIA Security+ by LearnZapp's written reviews are positive against 9% of LetsDefend's.

CompTIA Security+ by LearnZapp ships an update every 4 months, LetsDefend every 2 weeks. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CompTIA Security+ by LearnZapp | LetsDefend |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (116 ratings)](https://appshunter.io/ios/app/comptia-security-plus-by-learnzapp/id1552045561/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/letsdefend/id6741323626/reviews) |
| Number of ratings | **116** | 2 |
| Positive reviews | **83.3% of reviews** | 9.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 40 MB | 98 MB |
| Requires iOS | **12.4** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [learnZapp](https://appshunter.io/developer/435622455) | [LetsDefend](https://appshunter.io/developer/1793754609) |

## What reviewers say

### CompTIA Security+ by LearnZapp

[App page](https://appshunter.io/ios/app/comptia-security-plus-by-learnzapp/id1552045561)

Prepare for CompTIA Security+ exams (SY0-601 & SY0-701) with expert-crafted study materials. Features include practice questions, flashcards, readiness scores, custom tests, progress tracking, and mock exams. Study on-the-go with synced progress and a comfortable dark mode.

**Highlights:** Exam-specific practice questions, Detailed explanations and flashcards, Readiness score assessment, Customizable practice tests, Progress tracking and mock exams, On-the-go study with sync, Dark mode for comfort

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access - Weekly | $2.99 | per 7 days |
| All Access - Monthly | $14.99 | per month |
| All Access - 3 Months | $34.99 | per 3 months |
| All Access - 6 Months | $59.99 | per 6 months |
| All Access - 1 Year | $99.99 | per year |

**What reviewers like**

- 👍 Great for passing exams
- 👍 Helpful study resource
- 👍 Explanations reinforce learning
- 👍 Organized by objectives
- 👍 Custom quiz options

**What reviewers complain about**

- 🐛 Some questions have wrong answers
- 🐛 Limited question variety
- 🐛 Repeated questions
- 🐛 Mixes SY0-601 and SY0-701
- 🐛 Some UI elements inefficient

**Reported bugs**

- Some questions have incorrect answers
- Errors in 'show answers as you go' mode
- App will not open (permission denied error)
- Subscription not recognized after purchase
- Flashcards have repeated and missing terms

**Requested features**

- More variety in generated questions
- More questions for each study topic
- Ability to select subdomains for practice tests
- Weekly subscription option
- Ability to use keyboard for navigation


### 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


## Frequently asked questions

### Is CompTIA Security+ by LearnZapp free?

CompTIA Security+ by LearnZapp is free to download, with in-app purchases available.

### Is LetsDefend free?

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

### Which has better reviews, CompTIA Security+ by LearnZapp or LetsDefend?

CompTIA Security+ by LearnZapp is rated higher. CompTIA Security+ by LearnZapp averages 4.5 out of 5 from 116 ratings, while LetsDefend averages 4.0 from 2 ratings.

### Do CompTIA Security+ by LearnZapp or LetsDefend have ads?

LetsDefend shows ads; CompTIA Security+ by LearnZapp does not.

### Which is updated more often, CompTIA Security+ by LearnZapp or LetsDefend?

CompTIA Security+ by LearnZapp ships an update every 4 months, and LetsDefend every 2 weeks. Most recently, CompTIA Security+ by LearnZapp was updated on October 12, 2026 and LetsDefend on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*