Comparison

UniReader vs JustReader

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

Head to head
About

UniReader

Features
Read full description

UniReader 1.9.2 UniReader opens what other apps refuse. PDF, EPUB, DjVu, CHM, MOBI, FB2, CBZ/CBR, DOC, DOCX, TXT, RTF, AZW3, PDB, PRC - 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 Wiโ€‘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 ยท OPDS ยท 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

JustReader

A free, native reader for Mac, iPad, and iPhone that supports various file formats. It offers a customizable reading experience with multiple themes, fonts, and scroll options, plus on-device translation and no ads or tracking.

Highlights
  • Supports EPUB, FB2, MOBI, HTML, TXT, RTF, DOC/DOCX
  • Customizable themes, typefaces, and palettes
  • Continuous scroll, paged, or two-page spread
  • On-device translation
  • Chapter navigation and in-book search
  • No ads or tracking
Read full description

JustReader is a free, native reader for Mac, iPad, and iPhone. Open a book file and read it the way it should look โ€” one book at a time, no library to manage, no account, no ads. OPENS WHAT YOU HAVE EPUB, FB2, MOBI, HTML, TXT, RTF, DOC/DOCX (Mac), and their ZIP variants โ€” with chapter extraction, footnotes, encoding detection, and embedded images. THE FULL READING EXPERIENCE Nine typefaces and 41 themes across five palettes, plus Typewriter and Terminal. Continuous scroll, paged, or two-page spread. Real hyphenation in Latin, Cyrillic, CJK, Arabic, and Greek. Read Aloud with word-by-word highlighting. On-device translation โ€” nothing leaves your device. Chapter navigation, in-book search, an image gallery, and a fullscreen mode with multiple clock styles. PRIVATE BY DEFAULT No analytics, no telemetry, no tracking, no ads. Files stay on your device. WANT YOUR LIBRARY TO FOLLOW YOU? ContinuousReader is the full version: an iCloud-synced library with your reading position to the exact paragraph on every device, bookmarks and notes, OPDS catalogs, reading statistics, folders, and more. Free.

Screenshots

UniReader4 screens
JustReader4 screens

Verdict

The call

The clearest difference is in-app purchases: JustReader at none against UniReader's 3. On price, update cadence, ads and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. UniReader sells 3 in-app purchases, starting at $1.99 per month. JustReader asks for nothing beyond the download.

UpkeepUpdate frequency

UniReader ships an update every 2 weeks, JustReader fortnightly. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

Scorecard1 real difference ยท 7 level
UniReader versus JustReader: the parameters behind the verdict, then further details
ParameterUniReaderJustReader
PriceFreeFree
Positive reviewsโ€”0.0% of reviews
Update frequencyEvery 2 weeks โ€” betterFortnightly
AdsNoNo
In-app purchasesYesNo โ€” better
Monetizationโ€”Free
DevicesiPhone, iPad, MaciPhone, iPad, Mac
Requires iOS17.017.0
Further details โ€” not scored
Size19 MB14 MB
Age rating4+4+
DeveloperGuglielmo PasaOleksii Koshkin

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
None

JustReader

No in-app purchases

Questions

Is UniReader free?
UniReader is free to download, with in-app purchases available.
Is JustReader free?
JustReader is free to download, with no in-app purchases.
Do UniReader or JustReader have ads?
Neither UniReader nor JustReader shows ads.
Which is updated more often, UniReader or JustReader?
UniReader ships an update every 2 weeks, and JustReader fortnightly. Most recently, UniReader was updated on September 24, 2026 and JustReader on September 23, 2026.

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