# CompTIA Security+ Exam Prep vs OnSecure eBook Reader

The clearest difference is rating: CompTIA Security+ Exam Prep at 4.9 against OnSecure eBook Reader's 1.0. CompTIA Security+ Exam Prep also leads on ratings volume (6.6K vs 1) and update cadence (every 3 weeks vs every 2 months). OnSecure eBook Reader's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. CompTIA Security+ Exam Prep sells 4 in-app purchases, starting at $9.99 per 7 days. OnSecure eBook Reader asks for nothing beyond the download.

CompTIA Security+ Exam Prep holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: CompTIA Security+ Exam Prep has 6.6K ratings behind it against 1, so its average is the more settled of the two.

CompTIA Security+ Exam Prep ships an update every 3 weeks, OnSecure eBook Reader every 2 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CompTIA Security+ Exam Prep | OnSecure eBook Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (6.6K ratings)](https://appshunter.io/ios/app/comptia-security-plus-exam-prep/id1501784033/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/onsecure-ebook-reader/id6453166683/reviews) |
| Number of ratings | **6.6K** | 1 |
| Positive reviews | 85.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 77 MB | 108 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thanh Hung](https://appshunter.io/developer/1059077329) | [OnFulfillment Inc.](https://appshunter.io/developer/1699207607) |

## What reviewers say

### CompTIA Security+ Exam Prep

[App page](https://appshunter.io/ios/app/comptia-security-plus-exam-prep/id1501784033)

Prepare for the CompTIA Security+ SY0-701 exam with realistic practice tests and AI-powered guidance. Master cybersecurity domains, track your progress, and receive personalized feedback to ensure you pass with confidence.

**Highlights:** AI Mentora - Smart Cyber Tutor, Study by Domain, Realistic Practice Tests, Progress Tracker & AI Insights, SY0-701 Objective Alignment, Multiple Test Modes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Security+ Subscription Weekly | $9.99 | per 7 days |
| Security+ Subscription Monthly | $19.99 | per month |
| Sec+ Quarterly Subscription | $39.99 | per 3 months |
| Security+ Subscription Yearly | $69.99 | per year |

**What reviewers like**

- 🚀 Well-organized modules
- 👍 Helpful explanations for answers
- 🚀 Ability to memorize important information
- 👍 Gamified learning experience
- 🚀 Excellent practice questions

**What reviewers complain about**

- 💰 Premium version is expensive
- 🐛 Inconsistent question formatting and wording
- 🐛 Some incorrect answers and explanations
- 🐛 Inability to revisit skipped questions
- 🐛 Weak performance on cellular data

**Reported bugs**

- Certain sections get stuck at incomplete progress
- Inconsistent gender/name references in questions
- Incorrect information on cyber kill chain
- Subscription upgrade charges more than advertised

**Requested features**

- Add performance-based questions (PBQs)
- Implement randomization for review of missed questions
- Introduce flashcard feature for terms and phrases
- Allow users to report exam pass/fail status
- Improve syncing of progress across devices


### OnSecure eBook Reader

[App page](https://appshunter.io/ios/app/onsecure-ebook-reader/id6453166683)

This application offers an interactive eBook reading experience with a fresh design. It integrates books with videos, audio, images, and interactive elements to enhance learning and engagement.

**Highlights:** Interactive eBook reader, Integrated videos and audio, Image banks, Synched audio, Book download capabilities, Engaging learning experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CompTIA Security+ Exam Prep free?

CompTIA Security+ Exam Prep is free to download, with in-app purchases available.

### Is OnSecure eBook Reader free?

OnSecure eBook Reader is free to download, with no in-app purchases.

### Which has better reviews, CompTIA Security+ Exam Prep or OnSecure eBook Reader?

CompTIA Security+ Exam Prep is rated higher. CompTIA Security+ Exam Prep averages 4.9 out of 5 from 6.6K ratings, while OnSecure eBook Reader averages 1.0 from 1 ratings.

### Do CompTIA Security+ Exam Prep or OnSecure eBook Reader have ads?

CompTIA Security+ Exam Prep shows ads; OnSecure eBook Reader does not.

### Which is updated more often, CompTIA Security+ Exam Prep or OnSecure eBook Reader?

CompTIA Security+ Exam Prep ships an update every 3 weeks, and OnSecure eBook Reader every 2 months. Most recently, CompTIA Security+ Exam Prep was updated on November 11, 2026 and OnSecure eBook Reader on November 3, 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.*