Comparison

DjVu Reader & Viewer vs OL Reader

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DjVu Reader & Viewer

This app offers a modern and elegant way to read DjVu documents on iOS devices. It features high-quality rendering, a smart document tracking system, and a clean interface optimized for technical and academic material.

Highlights
  • High-quality DjVu rendering
  • Smart document tracking
  • Clean, intuitive interface
  • Dark/White mode options
  • Powerful search capabilities
  • Optimized performance for large documents
Features
Read full description

DjVu Reader is the modern, elegant solution for reading technical and academic DjVu documents on your iOS device. Experience crystal-clear rendering of complex documents with a clean, distraction-free interface designed for professional use. — KEY FEATURES — • High-quality rendering of DjVu documents with precise text and image display • Smart document tracking system to organize your reading (to-read, in-progress, completed) • Clean, intuitive interface optimized for academic and technical material • Dark/White modes options for comfortable reading in any environment • Powerful search capabilities to quickly find content within documents • Optimized performance for large technical documents and academic papers • Seamless document organization with smart folders and favorites (Coming Soon…) Whether you're a researcher, academic, student, or professional, DjVu Reader provides the perfect experience for your technical documents. — SUPPORT & LINKS — - Contact Us: support@djvu.app - Privacy Policy: https://djvu.app/privacy - Terms of Use: https://djvu.app/terms

About

OL Reader

Transform your EPUB library into an audio experience with on-device AI narration. Enjoy natural voices, smart library management, and seamless reading and listening, all while ensuring complete privacy as no data leaves your device.

Highlights
  • On-device AI narration
  • Multiple voice options
  • Smart library management
  • Seamless read & listen
  • Privacy-focused processing
  • Robust text handling
Features
Currently charting
Read full description

OL Reader transforms your EPUB library into a personal listening experience powered by on-device AI. Import your favorite books and let the built-in Kokoro neural text-to-speech engine read them aloud with stunningly natural voices — no internet connection required, no subscriptions, and complete privacy. Whether you're commuting, cooking, or resting your eyes, OL Reader makes your entire ebook collection accessible as spoken audio. The AI runs entirely on your device using Apple's MLX framework, delivering high-quality narration without sending a single word to the cloud. Key Features: • On-Device AI Narration — Kokoro neural TTS produces natural, expressive speech that sounds remarkably human. No network needed. • Multiple Voice Options — Choose from a variety of voices to find the perfect narrator for every book. • Smart Library Management — Import and organize your EPUB collection with ease. Browse covers, search titles, and pick up right where you left off. • Memory-Efficient Reading Engine — An advanced chunking system with intelligent prefetching keeps scrolling buttery smooth, even for thousand-page novels. • Seamless Read & Listen — Follow along visually with real-time text highlighting as the AI reads, or simply close your eyes and listen. • Privacy First — All processing happens on your iPhone or iPad. Your books and reading habits never leave your device. • Robust Text Handling — Gracefully handles complex Unicode, special characters, and even poorly formatted EPUBs without skipping a beat. OL Reader is perfect for avid readers who want hands-free access to their personal library, anyone with visual accessibility needs, language learners who benefit from hearing text read aloud, or multitaskers who want to enjoy books while on the go. Turn every moment into reading time — your books have never sounded this good.

Screenshots

DjVu Reader & Viewer4 screens
OL Reader3 screens

Verdict

The call

The clearest difference is price: DjVu Reader & Viewer at Free against OL Reader's $4.99. DjVu Reader & Viewer also leads on review sentiment (25% vs 0%) and iOS requirement (16.2 vs 18.0). OL Reader's advantage is in-app purchases (none vs 2) and chart position (#114 vs unranked). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

DjVu Reader & Viewer is free to download; OL Reader costs $4.99 up front. DjVu Reader & Viewer sells 2 in-app purchases, starting at $2.99 per 7 days. OL Reader asks for nothing beyond the download.

Scorecard6 real differences · 5 level
DjVu Reader & Viewer versus OL Reader: the parameters behind the verdict, then further details
ParameterDjVu Reader & ViewerOL Reader
PriceFree — better$4.99
Rating4.2 (75 ratings) — better—
Positive reviews25.0% of reviews — better0.0% of reviews
Number of ratings75 — better—
Update frequencyEvery 4 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank—#114 — better
DevicesiPhone, iPad — betteriPhone
Requires iOS16.2 — better18.0
Further details — not scored
Size35 MB1.2 GB
Age rating4+4+
DeveloperYassir HroutDarren Oakey

Customer experience

DjVu Reader & Viewer

All ratings65 ratings
Positive81.5%
Neutral0.0%
Negative18.5%
Written reviews12 reviews
Positive25.0%
Neutral25.0%
Negative50.0%

OL Reader

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

2 purchases

DjVu Reader & Viewer

Subscriptions1
  • Weekly Plan$2.997 Days
One-time1
  • Lifetime Plan$5.99
None

OL Reader

No in-app purchases

Questions

Is DjVu Reader & Viewer free?
DjVu Reader & Viewer is free to download, with in-app purchases available.
Is OL Reader free?
OL Reader costs $4.99, with no in-app purchases.
Do DjVu Reader & Viewer or OL Reader have ads?
Neither DjVu Reader & Viewer nor OL Reader shows ads.

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