Comparison

Parallel Texts Reader vs Readest

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

Head to head
About

Parallel Texts Reader

Read books with instant, sentence-by-sentence translations in multiple languages. Listen to translations and tap words for more options like transcription and pronunciation. Features a growing library of over 370 books across various language pairs.

Highlights
  • Parallel text translation
  • Listen to sentence translations
  • Tap for word details
  • Extensive book library
  • Multiple language pairs
  • Reverse translation mode
Features
Read full description

Application for reading books with parallel translation. Allows you to listen and see the translation of any sentence while reading. Constantly updated library of books - we are adding books every month. Now the library has more then 370 books: - English - Russian - English - French - English - German - English - Italian - English - Spanish - English - Ukrainian - English - Polish - English - Chinese - Russian - English - Russian - French - French - Russian - French - English - French - Ukrainian - French - Polish - Spanish - Russian - Spanish - English - Spanish - Ukrainian - German - Russian - German - Ukrainian - German - English - Danish - English - Norwegian - English - Hebrew - Russian - Estonian - Russian Touch any part of the text to see the translation. To memorize, transcribe, translate or listen the word, tap and hold your finger on it. Reverse mode allows you to change the primary language into the translated language, that is, for example from English-Spanish to Spanish-English.

About

Readest

This app is a powerful ebook reader designed for deep thinkers and researchers. It offers advanced annotation tools, seamless device syncing, and robust library management with OPDS and Calibre support. Enjoy a distraction-free reading experience with customizable modes and multi-book viewing for enhanced study and analysis.

Highlights
  • OPDS Online Libraries
  • Calibre Integration
  • Sync Across Devices
  • Bookshelf Management
  • Customizable Reading Modes
  • Multi-Book View
  • Advanced Annotations & Highlights
Features
Currently charting
Read full description

Readest is an ebook reader for people who read a lot, and who want their books, notes and reading position on whatever device is nearest. Open EPUB, PDF, MOBI, AZW3, FB2, CBZ, TXT and Markdown in one library. Pull books from OPDS catalogs or from your own Calibre server. Read, annotate, listen, translate. Made for iPhone and iPad • CarPlay, so you can keep listening on the road with playback controls on the dashboard • Download read-aloud voices per book and listen with no connection at all • Add books from Files, Mail or any share sheet, and read them in place instead of copying them into a second library • Open up to four books at once on iPad and arrange them how you like Reading • Paginated or scrolling, with custom fonts, themes, spacing and margins • Vertical text for CJK books • Contrast and refresh tuned for e-ink screens • Full-text search inside a book Your library • Browse, search and download from OPDS catalogs and public libraries • Connect to Calibre or Calibre-Web, covers and metadata included • Organize with bookshelf groups you can rename Notes • Highlights, bookmarks and structured notes • Copy a highlight together with a deep link back to the passage • Export your annotations Listening and languages • Text-to-speech with downloadable offline voices • Translate a sentence, a page, or an entire book • Wikipedia and dictionary lookup without leaving the page Sync • Readest Cloud, or bring your own: iCloud, Google Drive, OneDrive, WebDAV, S3 • KOReader sync keeps your progress in step with your e-reader • iPhone, iPad, Mac, all other platforms and the web Readest is open source. Support: support@readest.com Privacy Policy: https://readest.com/privacy-policy Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Parallel Texts Reader4 screens
Readest4 screens

Verdict

The call

The clearest difference is rating: Readest at 4.5 against Parallel Texts Reader's 4.0. Readest also leads on review sentiment (84% vs 54%) and ratings volume (197 vs 10). Parallel Texts Reader's advantage is in-app purchases (none vs 9) and iOS requirement (8.0 vs 16.4). On price, 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

Both are free to download. Readest sells 9 in-app purchases, starting at $4.99 per month. Parallel Texts Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Readest holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Readest has 197 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 54% of Parallel Texts Reader's written reviews are positive against 84% of Readest's.

UpkeepUpdate frequency

Parallel Texts Reader ships an update every 6 weeks, Readest fortnightly. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.

Scorecard8 real differences · 3 level
Parallel Texts Reader versus Readest: the parameters behind the verdict, then further details
ParameterParallel Texts ReaderReadest
PriceFreeFree
Rating4.0 (10 ratings)4.5 (197 ratings) — better
Positive reviews54.3% of reviews84.0% of reviews — better
Number of ratings10197 — better
Update frequencyEvery 6 weeksFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#185 — better
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS8.0 — better16.4
Further details — not scored
Size3 MB58 MB
Age rating4+4+
DeveloperIvan SavchenkoBilingify LLC

Customer experience

Parallel Texts Reader

All ratings10 ratings
Positive60.0%
Neutral30.0%
Negative10.0%
Written reviews35 reviews
Positive54.3%
Neutral20.0%
Negative25.7%

Readest

All ratings191 ratings
Positive86.4%
Neutral5.2%
Negative8.4%
Written reviews288 reviews
Positive84.0%
Neutral5.6%
Negative10.4%

In-app purchases

None

Parallel Texts Reader

No in-app purchases

9 purchases

Readest

Subscriptions4
  • Subscribe to Plus Plan$4.991 Month
  • Subscribe to Pro Plan$9.991 Month
  • Subscribe to Plus Plan$49.991 Year
Show 1 more
  • Subscribe to Pro Plan$99.991 Year
One-time5
  • 1 GB$9.99
  • 2 GB$14.99
  • Full Customization$19.99
Show 2 more
  • 5 GB$29.99
  • 10 GB$49.99

Questions

Is Parallel Texts Reader free?
Parallel Texts Reader is free to download, with no in-app purchases.
Is Readest free?
Readest is free to download, with in-app purchases available.
Which has better reviews, Parallel Texts Reader or Readest?
Readest is rated higher. Parallel Texts Reader averages 4.0 out of 5 from 10 ratings, while Readest averages 4.5 from 197 ratings.
Do Parallel Texts Reader or Readest have ads?
Neither Parallel Texts Reader nor Readest shows ads.
Which is updated more often, Parallel Texts Reader or Readest?
Parallel Texts Reader ships an update every 6 weeks, and Readest fortnightly. Most recently, Parallel Texts Reader was updated on October 23, 2026 and Readest on October 30, 2026.

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