BookLight vs Close Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BookLight
This app helps language learners build vocabulary by translating words with a single tap while reading EPUB, PDF, or TXT files. It automatically saves new words and uses spaced repetition flashcards to aid memorization, eliminating the need for manual flashcard creation or app switching.
- Tap to translate words instantly
- Automatic vocabulary saving
- Spaced-repetition flashcards
- Import EPUB, PDF, TXT files
- Offline reading support
- Customizable reading themes and fonts
- Pronunciation audio
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Reading a book in another language? Stop breaking your flow to look words up. BookLight translates any word with a single tap — and remembers it for you. BookLight is a EPUB & PDF & Txt reader built for language learners. Tap a word for an instant translation, and it's saved to your vocabulary automatically. Then spaced-repetition flashcards bring it back right before you'd forget — so every reading session actually builds your vocabulary. No app-switching. No flashcards to make by hand. Perfect for language learners, foreign-book readers, and anyone studying for TOEFL or IELTS. Key Features: Start Reading in Seconds — Free Classics Inside - Download from various free classics (Project Gutenberg) right inside the app — no files to find, no setup. - Or import your own DRM-free EPUB & PDF & TXT files from your device. - Read offline anytime, with your reading progress saved and restored automatically. Tap to Translate — Without Losing Context - Tap any word for an instant translation: meaning by part of speech, phonetics, and an example sentence. - Tap an inflected word and see its base form, too. - Hear the pronunciation read aloud with one tap. - Every word you tap is saved automatically — together with the sentence and the book it came from. - Translate into 9 languages: Korean, Spanish, French, Japanese, Chinese, Russian, Hindi, Vietnamese, and Indonesian. Remember Every Word — Spaced Repetition - Your vocabulary list builds itself as you read — no manual entry. - Review with spaced-repetition (SRS) flashcards that resurface each word right before you forget it. - Tap any saved word to jump straight back to the exact spot in the book. - Keep a daily streak and a smart reminder nudges you only when words are actually waiting. Your Book Becomes an Audiobook — AI Read-Aloud - A natural, human-like on-device AI voice reads your book aloud — choose from 10 voices. - The sentence being read is highlighted, so you can follow along with your eyes and ears. - Playback keeps going with the screen off or while you use other apps. - Playback speed from 0.5x to 2x — faster on the commute, slower before sleep. - Speech is synthesized on your device, so it works without an internet connection. Read Your Way, Day or Night - 7 fonts and 25 reading themes — from Sepia and Night to Rose Quartz, Sage, and Midnight. - Adjust font size and line spacing until the page feels just right. - Choose how you read — page turns or continuous scroll. - Read hands-free with auto-scroll — 10 speed levels, and a single touch pauses instantly. - Full dark mode plus automatic system-theme sync. - Side-by-Side two-page display mode for comfortable reading on tablets. Loved by readers in 10+ countries. Supports 9 translation languages and works with any DRM-free EPUB or TXT file. Download BookLight today — and turn every reading session into a vocabulary lesson! - Privacy Policy: https://pearlismylove.github.io/apps/book-light/privacy-policy.html - Terms And Conditions: https://pearlismylove.github.io/apps/book-light/terms-and-conditions.html - Support: https://pearlismylove.github.io/apps/book-light/support.html
Close Reader
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Close Reader is an e-book reader for iPhone and iPad that helps you read any book, in a foreign language or in your own. Press and hold a word for a translation that fits the sentence, and save it to flashcards. Forgot where you left off? Get a recap of what you’ve read so far. Ask the AI who a character is, what a passage means or what lies behind an event, even where the book has no footnote. It knows the book only up to your page, so there are no spoilers. At a glance • Your own books: EPUB, FB2, MOBI, AZW3, PDF and TXT (DRM-free), from Files, Mail or a messenger, or from your OPDS library (Calibre, Kavita, Komga). No store, no sign-up. • Books in any language; translations into more than 40 languages; the app itself speaks 20. • Free to download and read. AI help is free for your first 7 days (1,500 energy, no account), then runs on a plan or energy you buy; Medium starts with a 7-day free trial. • iPhone and iPad, in sync if you sign in. • No ads. Your text isn’t stored or used to train AI models. Help right where you stumble • Hold a word: the translation fits this very sentence. Reading in your own language? You get a plain definition. • Drag the handles to take in a phrase, or translate the whole sentence or paragraph. • Select a name: “Who’s this?” reminds you who that character or place is, from the pages you’ve read, and where they first appeared. • “Explain” gives the background of a passage: history, allusions, idioms and old-fashioned phrasing. • Questions about real history or the author get answers from the web, with sources. No spoilers Every answer comes from what you’ve read, up to the last line on your screen. In “No spoilers” mode we don’t even tell the AI which book it is, so it can’t fill in the plot from memory. Rereading? Switch to “Whole book”. Talk the book over • Ask for a recap, who’s who, or why a character did what they did. “Detailed answer” goes deeper. • Ask where something happened: the answer lists the places, and a tap opens the book there. • Answers link to the passages they rely on. Keep several chats per book; your notes can come along. • Chapters you’ve read have recaps, and rings in the contents show how much of each you’ve read. Learn the words you meet • “Save word” keeps a word with its translation and the sentence where you met it. • Flashcards adapt to your memory, with a daily reminder. Vocabulary exports to CSV. Find your way, keep what matters • The slider is a map of the book: chapters, bookmarks, notes and the time left in the chapter. • Jump anywhere to look around: your reading place stays put, and one tap takes you back. • Search the book. Footnotes open over the page, pictures full screen. • Highlights, notes, quotes shared as pictures, saved AI answers, bookmarks and “I’m here”. Notes export to Markdown. Easy on the eyes Four themes, fonts, text size and line spacing; pages or scrolling; portrait or landscape, with a two-page spread on a wide screen. Energy and plans AI help runs on energy: translating a word costs 1, and bigger requests show their price first. Reading, notes and flashcards are always free. Every feature is on every plan: Light, Medium and Max give 15,000, 40,000 and 80,000 energy a month, enough for everyday help plus about 25, 70 or 150 detailed answers. Extra energy you buy never expires. Subscriptions Light, Medium and Max are auto-renewing subscriptions, billed monthly or yearly. Payment is charged to your Apple Account when you confirm the purchase. A subscription renews automatically unless you cancel it at least 24 hours before the end of the current period. Manage or cancel it in Settings > your name > Subscriptions. Terms of Use: https://closereader.app/terms Privacy Policy: https://closereader.app/privacy
Screenshots
Verdict
The clearest difference is ads: BookLight at none against Close Reader's shown. BookLight also leads on update cadence (every 6 days vs every 3 weeks). On price, in-app purchases, 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
Both are free to download. BookLight sells 3 in-app purchases, starting at $0.99 per month and Close Reader sells 8 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
BookLight ships an update every 6 days, Close Reader every 3 weeks. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.
| Parameter | BookLight | Close Reader |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 6 days — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 | 16.4 |
| Further details — not scored | ||
| Size | 94 MB | 61 MB |
| Age rating | 4+ | 9+ |
| Developer | Jungjun Lee | Ilia Ilinskii |
In-app purchases
BookLight
- Monthly Plan$0.991 Month
- Yearly Plan7 Days trial$7.991 Year
- Lifetime Plan$9.99
Close Reader
- Light – monthly$4.991 Month
- Medium – monthly7 Days trial$9.991 Month
- Max – monthly$19.991 Month
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- Light – yearly$39.991 Year
- Medium – yearly7 Days trial$79.991 Year
- Max – yearly$149.991 Year
- 10,000 energy$2.99
- 30,000 energy$6.99









