Comparison

Quill vs Polylingo

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

Head to head
About

Quill

Import and read your manga collection from PDF files. Features automatic cover extraction, text searching, and organized library management for a seamless reading experience.

Highlights
  • Import PDF manga files
  • Automatic cover extraction
  • Intuitive reading interface
  • Text extraction for searching
  • Organized manga library
Features
Read full description

A cosy place for the books you already have. Open a PDF, an EPUB, a CBZ comic or a plain text file, tap to translate the page into your language, and listen to it read aloud in that voice. One lifetime price. Everything on your device. - PDF, EPUB, CBZ and plain text in one library, no conversion - Inline page translation in ten languages, including Ukrainian - Listen mode that speaks the translated page in the locale you picked - Six reading themes including a pure white-page mode - Eight typography presets including OpenDyslexic and Atkinson Hyperlegible - One lifetime purchase, no subscription, no account, no cloud upload Translate the page, not just a word. Tap the globe and the whole page reflows into your language, powered by the Apple Translation framework. The chunked translator keeps the rest of the book flowing in while you read the first chapter. Listen in the right voice. Press play and the page reads itself aloud. When a translation is on, Listen speaks in the target locale automatically, so a French page sounds French. Speed chips from 0.75x to 2x, sleep timer, background audio, AirPods controls, Now Playing on the lock screen. Bring your own files, cosily. Add books from Files, iCloud Drive, AirDrop, a share sheet, a direct download link or a scanned page. Each file is fingerprinted on import so the same book never lands twice. Six warm themes and eight type presets. Paper, Sepia, Dark Sepia, Night, Solar and a pure Snow mode. Type ramps from Readwise Cream to Atkinson Hyperlegible to OpenDyslexic. Slider control for size, line height and margin. Optional paper texture overlay. A quiet journey, not a streak whip. A day-streak ring that celebrates the evening you showed up, a pages-this-week chart with a gentle goal line, finish ETA on whatever you are reading, and a yearly keepsake you can share. The streak is encouragement, never a stick. Privacy that is not a marketing word. Your library never leaves your device. There is no account, no analytics linked to you, no advertising, no DRM, no required cloud. Optional iCloud sync is off by default. Uninstall the app and the files you imported are still yours. About the price. Quill is one lifetime purchase. There is no subscription tier and there will not be one. When v2 ships it will be a separate purchase and v1 will keep working with every update it received. This is a public promise. What Quill is not. Not an Amazon bookstore. Not a manga streaming app. Not a PDF editor with signatures and form fill. Not a TTS service with a daily word cap. Quill reads the files you already have, cosily, in the language you want. Privacy Policy: https://docs.google.com/document/d/e/2PACX-1vTDX9pxPOlUJl_skVUHPi99mAw0y2B2BYd_v1mJkoF3xW3rlOcW5KlYd4t93MMbbGhctSTnBTy7d_l6/pub Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Polylingo

Enhance language learning through reading with instant translations, synchronized audio narration, and AI-generated stories. Save new vocabulary and import your own content to practice reading in a foreign language.

Highlights
  • Instant tap-to-translate
  • Audio narration with word highlighting
  • AI-powered story generation
  • Personal phrase book
  • Import EPUB, PDF, and text files
  • 10 supported languages
  • Customizable reading themes
Features
Read full description

Read in a foreign language — without the frustration. PolyLingo turns reading into your most powerful language learning tool. Tap any word for an instant translation. Listen to native-quality narration with every word highlighted as it's spoken. Save vocabulary to your personal phrase book. And when you run out of things to read, let AI write a story just for you. INSTANT TAP-TO-TRANSLATE Tap any word or select a phrase to see its meaning instantly. No copying, no switching apps. Translations include pronunciation (IPA), part of speech, and conjugation info — powered by offline dictionaries that work without Wi-Fi. AUDIO NARRATION WITH WORD HIGHLIGHTING Listen to stories read aloud with professional-quality audio. Every word highlights in sync as it's spoken, so you train your ears and eyes at the same time. Adjust playback speed from 0.5x to 2.0x. Perfect for commutes, workouts, or winding down. AI-POWERED STORIES AT YOUR LEVEL Choose your genre, difficulty level, and interests — PolyLingo generates a complete story tailored to you. Pick from narrative, conversational, descriptive, poetic, or simple writing styles. Every story matches your CEFR level (A1 to C1) so you're always in the sweet spot: challenged but never lost. YOUR PERSONAL PHRASE BOOK Save any word or phrase with one tap while reading. Every entry keeps its context, source, pronunciation, and translation. Review your vocabulary anytime and watch your word count grow day by day. CURATED LIBRARY + YOUR OWN BOOKS Browse stories organized by difficulty, genre, and language. Import your own EPUB, PDF, or text files. Filter by CEFR level (A1–C2) to find content that matches exactly where you are. 10 LANGUAGES SUPPORTED Learn English, Spanish, French, German, Italian, Portuguese, Japanese, Korean, Chinese, or Russian — from 6 home languages. DESIGNED FOR COMFORTABLE READING Choose between Dark, Light, and Sepia themes. Adjust font size. Read in immersive fullscreen mode. Your reading position and audio progress are always saved — pick up right where you left off. POLYLINGO PRO Unlock unlimited AI story generation, advanced phrase book features, and cross-device sync with a free 3-day trial. Whether you're a beginner sounding out your first sentences or an advanced learner tackling literature, PolyLingo meets you where you are — and makes every page count. Download now and start reading in your target language today. This app uses Apple's EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Quill4 screens
Polylingo4 screens

Verdict

The call

The clearest difference is rating: Polylingo at 4.8 against Quill's 4.0. Polylingo also leads on update cadence (every 6 days vs every 17 months) and ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model 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. Quill sells 3 in-app purchases, starting at $3.99 per 7 days and Polylingo sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Polylingo holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

UpkeepUpdate frequency

Quill ships an update every 17 months, Polylingo every 6 days. Both last shipped on October 24, 2026.

Scorecard4 real differences · 5 level
Quill versus Polylingo: the parameters behind the verdict, then further details
ParameterQuillPolylingo
PriceFreeFree
Rating4.0 (1 ratings)4.8 (4 ratings) — better
Number of ratings14 — better
Update frequencyEvery 17 monthsEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.013.0 — better
Further details — not scored
Size32 MB128 MB
Age rating4+9+
DeveloperAndrii BashtaJesse Deng

Customer experience

Quill

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Polylingo

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Quill

Subscriptions2
  • Premium Weekly3 Days trial$3.997 Days
  • Premium Yearly$29.991 Year
One-time1
  • Premium Lifetime$9.99
3 purchases

Polylingo

Subscriptions3
  • Weekly Pro Subscription$5.997 Days
  • Monthly Pro$14.991 Month
  • Yearly Pro Subscription$39.991 Year

Questions

Is Quill free?
Quill is free to download, with in-app purchases available.
Is Polylingo free?
Polylingo is free to download, with in-app purchases available.
Which has better reviews, Quill or Polylingo?
Polylingo is rated higher. Quill averages 4.0 out of 5 from 1 ratings, while Polylingo averages 4.8 from 4 ratings.
Do Quill or Polylingo have ads?
Neither Quill nor Polylingo shows ads.
Which is updated more often, Quill or Polylingo?
Quill ships an update every 17 months, and Polylingo every 6 days. Most recently, Quill was updated on October 24, 2026 and Polylingo on October 24, 2026.

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