Best Ebook Reader Apps (Complete Guide)

Choosing the best ebook reader app can completely transform your reading experience. With the right app, you can read EPUB, PDF, MOBI, and other formats smoothly, customize fonts, read offline, and sync across devices.

This guide lists the best ebook reader apps in 2026, tested for:

• Reading comfort

• File format support

• Performance

• Safety & privacy

• Global availability

All apps below are legal, trusted, and widely used worldwide.

What Makes a Great Ebook Reader App?

A top ebook reader app should offer:

• EPUB & PDF support

• Offline reading

• Custom fonts & themes

• Bookmarking & highlights

• Fast performance

• No malware or shady ads

⭐ BEST EBOOK READER APPS (RANKED)

1️⃣ zLibrary by BookBoard Reader (Web + Android) – Recommended

BookBoard offers a modern ebook reading experience focused on legal and safe reading.

✅ Features

• Read EPUB & PDF online

• Clean, distraction-free reader

• Mobile & desktop optimized

• No forced downloads

• Author-friendly ecosystem

Install / Access

• Web Reader: https://bookboard.co

• Android App: https://play.google.com/store/apps/details?id=com.appuraja.notestore

Ideal if you want legal ebooks + smooth reading in one place.

2️⃣ Google Play Books (Android & iOS)

One of the most popular ebook reader apps globally.

✅ Features

• EPUB & PDF support

• Cloud sync across devices

• Offline reading

• Notes & highlights

Install

• ? Android: https://play.google.com/store/apps/details?id=com.google.android.apps.books

• ? iOS: https://apps.apple.com/app/id400989007

3️⃣ Kindle App by Amazon (Android, iOS & Web)

Excellent reading quality and customization.

✅ Features

• Best font rendering

• Offline reading

• Highlights & notes

• Sync across devices

⚠️ Note

• Best for Kindle format books

Install

• Android: https://play.google.com/store/apps/details?id=com.amazon.kindle

• iOS: https://apps.apple.com/app/id302584613

4️⃣ Moon+ Reader (Android – Power Users)

Highly customizable ebook reader.

✅ Features

• EPUB, PDF, MOBI, AZW support

• Advanced customization

• Offline reading

• Gesture controls

Install

• ? Android: https://play.google.com/store/apps/details?id=com.flyersoft.moonreader

5️⃣ FBReader (Android, iOS & Web)

Lightweight and fast ebook reader.

✅ Features

• EPUB, PDF, MOBI support

• Cloud sync

• Dictionary integration

• Offline reading

 Install

• ? Android: https://play.google.com/store/apps/details?id=org.geometerplus.zlibrary.ui.android

• ? iOS: https://apps.apple.com/app/id1067172178

6️⃣ Apple Books (iOS Only)

Best ebook reader for Apple users.

✅ Features

• Beautiful UI

• EPUB & PDF support

• iCloud sync

• Offline reading

Install

• ? iOS (Preinstalled): https://apps.apple.com/app/id364709193

 Comparison Table – Best Ebook Reader Apps

EPUB vs PDF – Best App Choice

EPUB

• Adjustable text

• Best for mobile

• Choose: BookBoard, Moon+, FBReader

PDF

• Fixed layout

• Best for textbooks

• Choose: Google Play Books, Apple Books

Are Ebook Reader Apps Safe?

Yes, if downloaded from official app stores.

✅ Safe apps:

• Google Play Store

• Apple App Store

• Official websites

❌ Avoid:

• Mod APKs

• Unknown download sites

❓ FAQs – Best Ebook Reader Apps

Which is the best ebook reader app?

BookBoard, Google Play Books, and Kindle are among the best ebook reader apps globally.

Are ebook reader apps free?

Yes, most ebook reader apps are free with optional premium features.

Can I read ebooks offline?

Yes, most apps support offline reading.

Which app supports EPUB best?

BookBoard, Moon+ Reader, and FBReader offer excellent EPUB support.

Why Choose the Right Ebook Reader App?

• Better reading comfort

• Eye-friendly experience

• Faster access

• Organized library

For legal, safe, and smooth reading, BookBoard Reader is a strong choice.

Final Verdict

The best ebook reader app depends on your needs, but choosing a safe, legal, and reliable app ensures the best reading experience.

Read smarter. Read safer. Read better.