Comparison

Readum vs EPUB Reader

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

Head to head
About

Readum

Features
Read full description

Read books in another language and grow your vocabulary as you go. Readum brings together an ebook reader, contextual translations, and flashcards for review. Select an unfamiliar word, see its meaning based on the sentence, and save it to your personal dictionary. Later, reinforce new vocabulary with spaced repetition. Readum features: • 184 languages available for creating language pairs; • import your own books in EPUB format; • free classics from the Project Gutenberg catalog; • AI-powered translations of words and sentences; • save words together with their original context; • listen to word pronunciation; • flashcards for regular review; • separate dictionaries for different language pairs; • learning statistics and flexible reading settings. Read what interests you. Unfamiliar words will gradually become familiar. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://readus.app/privacy-policy

About

EPUB Reader

This app helps you learn languages by reading books with side-by-side translations. You can tap to translate words or sentences, save vocabulary, and customize your reading experience. It offers a selection of free classic reads and the option to import your own EPUB and TXT files.

Highlights
  • Dual-text translation
  • Tap to translate words/sentences
  • Save vocabulary with context
  • Import EPUB and TXT files
  • Customizable reading themes and fonts
  • Offline translation after initial download
Features
Read full description

Duotext translates whole sentences while you read. Keep the original in view and reveal a sentence’s translation with a tap, or keep translations visible with Pro. Read on iPhone and iPad. 24 CLASSIC READS IN YOUR LIBRARY • Three complete starter texts, free to read. • The English language setting starts with three French fables by Jean de La Fontaine, with ready-to-read English translations. • Other language settings start with English stories by Kate Chopin, O. Henry and Oscar Wilde. • Twenty-one more texts with Pro: French stories by Maupassant and fables by La Fontaine for the English language setting; English stories, including stories by Saki, for other settings. TRANSLATION THE WAY YOU WANT IT • Tap to translate — free, in every book: touch the mark after a sentence and its translation appears • Always-on translation under the text, with no tapping at all — with Pro • Choose how the text is split: by line, by sentence, or by paragraph — with Pro • Tap a single word to see what it means in that exact sentence BUILD VOCABULARY FROM REAL BOOKS • Press and hold a sentence to save a word together with the context you met it in • Free: up to 20 saved words. Pro: an unlimited dictionary BRING YOUR OWN BOOKS — WITH PRO • Import EPUB and TXT files • Paste any text • Save an article from the web by link A READER FIRST • Six reading themes, serif, sans serif and rounded fonts, adjustable type size — all free • Covers, reading progress, and your place in the book • Your books stay on your device HOW TRANSLATION WORKS Duotext uses the translation built into iOS, so text is translated on your iPhone. The first time you use a language pair, iOS downloads that language model, which needs an internet connection; after that, translation runs on your device. You can translate into the languages your device supports for translation. No account, no sign-up. WHAT IS FREE AND WHAT IS PRO Free: 3 complete stories, tap to translate in any book, up to 20 saved words, and every theme, font and type size. Duotext Pro adds: 21 more stories, always-on translation under every line, the by line / by sentence / by paragraph layouts, importing your own EPUB and TXT files, pasted text and links, and an unlimited dictionary. SUBSCRIPTION AND PURCHASE Duotext Pro is available as a yearly subscription with a free trial, or as a one-time Lifetime purchase. • Payment is charged to your Apple Account at confirmation of purchase. • The subscription renews automatically unless auto-renewal is turned off at least 24 hours before the end of the current period. Your Apple Account is charged for renewal within 24 hours before the end of the current period. • You can manage your subscription and turn off auto-renewal in your Apple Account settings. • Any unused portion of a free trial period is forfeited when you purchase a subscription. • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Privacy Policy: https://artsaverin-star.github.io/legal/duotext/privacy.html

Screenshots

Readum4 screens
EPUB Reader4 screens

Verdict

The call

The clearest difference is update cadence: EPUB Reader at every 5 days against Readum's fortnightly. On price, ads, 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. Readum sells 2 in-app purchases, starting at $5.99 per month and EPUB Reader sells 2 in-app purchases, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Readum ships an update fortnightly, EPUB Reader every 5 days. The most recent releases landed on October 19, 2026 and October 11, 2026 respectively.

Scorecard1 real difference · 9 level
Readum versus EPUB Reader: the parameters behind the verdict, then further details
ParameterReadumEPUB Reader
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhoneiPhone, iPad — better
Requires iOS17 — better18.0
Further details — not scored
Size2 MB22 MB
Age rating17+12+
Developerlibersave.com GmbHIaroslav Saverin

In-app purchases

2 purchases

Readum

Subscriptions2
  • Monthly Subscription$5.991 Month
  • Annual Subscription$44.991 Year
2 purchases

EPUB Reader

Subscriptions1
  • Yearly3 Days trial$14.991 Year
One-time1
  • Lifetime$24.99

Questions

Is Readum free?
Readum is free to download, with in-app purchases available.
Is EPUB Reader free?
EPUB Reader is free to download, with in-app purchases available.
Do Readum or EPUB Reader have ads?
Neither Readum nor EPUB Reader shows ads.
Which is updated more often, Readum or EPUB Reader?
Readum ships an update fortnightly, and EPUB Reader every 5 days. Most recently, Readum was updated on October 19, 2026 and EPUB Reader on October 11, 2026.

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