Comparison

UniReader vs DjVu to PDF · DjVu Reader

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

Head to head
About

UniReader

Features
Read full description

UniReader 1.10.0 UniReader opens what other apps refuse. PDF, EPUB, DjVu, CHM, MOBI, FB2, CBZ/CBR, DOC, DOCX, TXT, RTF, AZW3, PRC, LIT - 14 formats in one unified library. No more juggling between apps. --- READ WITHOUT FRICTION --- The real problem is not reading. It is everything that interrupts it: wrong format, awkward import, lost progress. UniReader exists to remove that friction. Open it, read, and pick up exactly where you left off. --- WHAT CHANGES EVERYTHING --- Absolute privacy Your documents stay on your device. No account required. No server. No tracking, no analytics, no data collection. What you read is your business alone. A real library Grid or list view, covers, folders, collections, integrated search. Filter by format, and import over your local network. Comfortable reading Day, Night, Sepia, and Paper themes; adjustable fonts and margins. Two-column EPUB, full-screen PDF, and it resumes exactly where you left off. Serious annotations Highlights, bookmarks, handwritten notes, PDF/PNG export. Optional cloud sync for reading progress and bookmarks. Catalogs and import OPDS (Gutenberg, Wikisource...), browser import on the same Wi‑Fi. Shortcuts and integrated system search. --- WHO IT IS FOR --- For anyone with hundreds of books in ten different formats who just wants to read them. For the person who annotates technical manuals in the morning and novels at night, and refuses to manage two separate apps. For researchers, students, and compulsive readers - anyone who reads seriously and wants a tool that keeps up. --- ACCESS --- Free plan DRM-free PDF and EPUB reading with essential library tools. Free forever - to explore, with no commitment. Premium All formats, cloud sync, advanced annotations, statistics about your reading, and sync with UniReader on your computer. 14 formats · OPDS · Local network import --- PRIVACY --- Your documents stay on your device. No tracking. No analytics. No data collection. UniReader is built to do one thing very well: to let you actually read. Less friction. More reading time. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

DjVu to PDF · DjVu Reader

This app offers a fast and elegant way to open DjVu files on your iPhone and iPad. It features a Turbo Render Engine for lag-free reading of large documents and allows conversion to PDF with secure local Wi-Fi transfer. Enjoy a distraction-free reading experience with dark mode and bookmarking.

Highlights
  • Fast DjVu file opening
  • Turbo Render Engine for large files
  • Convert DjVu to PDF
  • Dark Mode reading
  • Page bookmarking
  • Local Wi-Fi transfer
Features
Read full description

The fastest and most elegant way to open DjVu files on your iPhone & iPad. Powered by a Turbo Render Engine, our app reads very large academic papers, scanned documents, and technical books with zero lag. No clunky interfaces, just a clean, distraction-free reading experience. Transform DjVu to PDF! Enjoy a completely libre and fluid converting environment. Fast 10GB+ Large DjVu Reader! Read your .djvu and .djv file type ebooks in true Dark Mode, bookmark your pages instantly, or securely export them to standard PDFs right from your device. Send massive documents wirelessly from your computer with local Wi-Fi transfer. Lightning Fast: Convert DjVu File to PDF. Easy export. Stop uploading private books to online tools. Experience true privacy and speed. Terms of Use & Privacy Policy: https://plusapkz.com/djvu-reader-viewer/

Screenshots

UniReader4 screens
DjVu to PDF · DjVu Reader3 screens

Verdict

The call

The clearest difference is ads: UniReader at none against DjVu to PDF · DjVu Reader's shown. DjVu to PDF · DjVu Reader's advantage is update cadence (every 9 days vs every 3 weeks) and iOS requirement (15.0 vs 17.0). On price, in-app purchases 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

Both are free to download. UniReader sells 3 in-app purchases, starting at $1.99 per month and DjVu to PDF · DjVu Reader sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

UniReader ships an update every 3 weeks, DjVu to PDF · DjVu Reader every 9 days. Both last shipped on October 11, 2026.

Scorecard3 real differences · 6 level
UniReader versus DjVu to PDF · DjVu Reader: the parameters behind the verdict, then further details
ParameterUniReaderDjVu to PDF · DjVu Reader
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size19 MB21 MB
Age rating4+4+
DeveloperGuglielmo PasaOMER FARUK KIZILTUG

In-app purchases

3 purchases

UniReader

Subscriptions2
  • UniReader Premium Monthly$1.991 Month
  • UniReader Premium Yearly$19.991 Year
One-time1
  • UniReader Premium Lifetime$34.99
3 purchases

DjVu to PDF · DjVu Reader

Subscriptions2
  • Weekly Premium Membership$1.997 Days
  • Annual Premium Plan$8.991 Year
One-time1
  • Lifetime Unlimited Access$12.99

Questions

Is UniReader free?
UniReader is free to download, with in-app purchases available.
Is DjVu to PDF · DjVu Reader free?
DjVu to PDF · DjVu Reader is free to download, with in-app purchases available.
Do UniReader or DjVu to PDF · DjVu Reader have ads?
DjVu to PDF · DjVu Reader shows ads; UniReader does not.
Which is updated more often, UniReader or DjVu to PDF · DjVu Reader?
UniReader ships an update every 3 weeks, and DjVu to PDF · DjVu Reader every 9 days. Most recently, UniReader was updated on October 11, 2026 and DjVu to PDF · DjVu Reader on October 11, 2026.

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