Comparison

Parallel Books vs ReadFun App

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

Head to head
About

Parallel Books

Learn a new language by reading books with side-by-side translations. This app keeps translations synchronized as you read, allowing for full immersion. Easily switch between display modes and add notes for a personalized learning experience.

Highlights
  • Dual language display
  • Synchronized translations
  • Adjustable display modes
  • Searchable notes
  • Day/night themes
  • Highlighting
Features
Read full description

Become fluent in a new language. Read a book in your new tongue while having a parallel copy in your native language handy for reference. Now thanks to Parallel Books, this technique is available on iPad, iPhone and iPod touch. Translations will automatically stay in sync, leaving you free to be immersed in the words on the page. Reading a book in two different languages at the same time has never been easier! - Designed for people learning a new language. - Displays a book simultaneously in two different languages. - Translations stay in sync as you read. - Stretchy, “chewing gum" overlay visually connects parallel content. - Chewing gum overlay can be hidden. - Translations can be displayed in two columns on the screen, or each translation can fill an entire screen. - Continuously scrolls or pages through content without needing to change mode. - Tapping on a paragraph shows the translation of that paragraph. - Double tapping hides tool bars, giving more space. - Multicolored highlights and searchable notes can be added. - Includes day and night themes. - Currently books are available in English, German, French, Spanish, Portuguese, Russian, Italian, Dutch, Swedish, Esperanto, Korean, Chinese, Arabic plus more. - Some books include multiple translations in the same language; ideal for literature and translation students. - Parallel Books is in development for other platforms. - New books are being added all the time. - All books are currently FREE.

About

ReadFun App

Read full description

ReadFun is an EPUB reader built for focused English reading. It brings reading, word lookup, translation, and study notes together in one clean experience. IMMERSIVE READING • Import your own EPUB files from Files • Download selected public-domain English classics from the Store • Customize fonts, text size, line spacing, paragraph spacing, and reading themes • Resume where you left off and navigate with the table of contents UNDERSTAND AS YOU READ • Tap a word to see its meaning in context • Double-tap a sentence for sentence translation • Choose offline, online, or AI-assisted translation • Use AI mode for contextual explanations and grammar analysis SAVE AND REVIEW • Save useful words and sentences while reading • Review saved items in Notes • Manage imported and downloaded books in your Library Book import and core reading features are available to everyone. ReadFun Plus and ReadFun Pro expand online translation and AI explanation allowances. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://huoshenwenhua.github.io/readfun-legal/privacy.html

Screenshots

Parallel Books4 screens
ReadFun App4 screens

Verdict

The call

The clearest difference is in-app purchases: Parallel Books at none against ReadFun App's 4. On price, ads, device support and iOS requirement 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. ReadFun App sells 4 in-app purchases, starting at $2.49 per month. Parallel Books asks for nothing beyond the download.

Scorecard1 real difference · 9 level
Parallel Books versus ReadFun App: the parameters behind the verdict, then further details
ParameterParallel BooksReadFun App
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.5 — better
Further details — not scored
Size2 MB622 MB
Age rating12+12+
DeveloperHigh Tea IT Limited泳枚 吴

In-app purchases

None

Parallel Books

No in-app purchases

4 purchases

ReadFun App

Subscriptions4
  • ReadFun Plus Monthly$2.491 Month
  • ReadFun Pro Monthly$4.991 Month
  • ReadFun Plus Yearly$19.991 Year
Show 1 more
  • ReadFun Pro Yearly$39.991 Year

Questions

Is Parallel Books free?
Parallel Books is free to download, with no in-app purchases.
Is ReadFun App free?
ReadFun App is free to download, with in-app purchases available.
Do Parallel Books or ReadFun App have ads?
Neither Parallel Books nor ReadFun App shows ads.

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