Yedoo vs Jonggyeol
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Yedoo
Enhance your reading comprehension and retention with an AI-powered assistant. Organize your library, access books across devices, and engage in AI-driven conversations to understand complex ideas. Convert text to natural-sounding audio for on-the-go listening.
- Cross-device library synchronization
- Support for multiple document formats
- AI-powered book chat and explanations
- Text-to-speech audio conversion
- Highlighting and note-taking
- Reading progress tracking
- Active recall practice
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Yedoo helps you read with greater focus, understand difficult ideas, and remember what matters. Bring your books and documents into one beautifully organized library. Read comfortably on iPhone, iPad, the Web, or the Yedoo desktop app—and continue wherever you left off. READ ACROSS DEVICES • Access Yedoo on iPhone, iPad, desktop, and the Web at https://yedoo.ai • Keep your library, reading progress, highlights, notes, and supported reading data in sync • Start reading on one device and continue seamlessly on another READ YOUR WAY • Open PDF, EPUB, MOBI, AZW3, Markdown, TXT, and other documents • Import files from other apps • Save supported books for offline reading • Adjust fonts, themes, and reading settings UNDERSTAND MORE • Ask questions about the book you are reading • Translate or explain selected passages • Look up English words and revisit saved definitions • Explore ideas through reading-focused AI conversations LISTEN ANYWHERE • Turn books and documents into natural-sounding audio • Choose from different narration voices • Continue listening while using other apps or when the screen is locked KEEP WHAT MATTERS • Highlight important passages • Add notes and organize your thoughts • Track your reading progress across devices GO BEYOND THE PAGE • Practice active recall with Reading Skills • Create visual summaries, mini-books, and presentations • Turn reading into deeper, lasting understanding Some AI, synchronization, and media features require an internet connection. A free tier is available, with optional Yedoo Pro subscriptions offering higher usage limits. Privacy Policy: https://yedoo.ai/legal/privacy Terms of Service: https://yedoo.ai/legal/terms Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Subscription Terms: https://yedoo.ai/legal/subscription
Jonggyeol
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Jonggyeol is an e-book reader that brings the feel of a paper book to your iPhone and iPad. When you turn a page, the paper curls after your fingertip, with the words on the back showing through and soft shadows underneath, so reading feels like holding a real book. ■ Pages that turn like paper · The page curls with your finger, or from the corner when you pull a corner · 11 page-turn sounds that rustle with the speed of your swipe (plain paper, hardcover, hanji, newspaper, magazine, night reading and more) · A gentle haptic tap on each turn (iPhone) ■ Paper and type, just the way you like · 13 paper textures: offset, newsprint, hanji, linen, kraft, recycled, watercolor, parchment, canvas, crumpled and more · Paper color, text color and theme remembered separately for light and dark mode · 11 Korean and Latin fonts, with text size, line spacing, letter spacing, margins and alignment ■ Read aloud · Reads sentence by sentence from the current page, highlighting each sentence and turning the pages as it goes · Choose the voice, speed and pitch, and set a sleep timer (15, 30 or 60 minutes, or the end of the chapter) · Picks a voice that matches the language of the book (English or Korean) ■ Made for iPhone and iPad · On wide screens such as iPad or in landscape, the book opens into two pages side by side with the spine in the middle, or choose one or two pages yourself · Rotate at any time and carry on from the same sentence ■ Your library · Read TXT, EPUB and PDF (view PDFs as original pages, or reflow just the text) · Import books or whole folders from the Files app, including iCloud Drive; organize books into folders, search and sort · EPUB covers shown automatically, bookmarks with notes, table of contents, and your reading position remembered ■ Languages · English and Korean, following your device language ■ Privacy · No sign-up. Your books and settings stay on your device · An ad may appear when you open the app; a one-time purchase removes ads Contact: geunsoo7@gmail.com
Screenshots
Verdict
The clearest difference is ads: Yedoo at none against Jonggyeol's shown. 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. Yedoo sells 2 in-app purchases, starting at $11.99 per month and Jonggyeol sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Yedoo | Jonggyeol |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Daily | — |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 36 MB | 10 MB |
| Age rating | 17+ | 4+ |
| Developer | Yedoo AI, Inc. | GEUNSOO LEE |
In-app purchases
Yedoo
- Yedoo Pro Monthly$11.991 Month
- Yedoo Pro Yearly$121.991 Year
Jonggyeol
- Remove Ads$2.99









