Sumi Book vs ChapterWing
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Sumi Book
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Sumi is a beautifully crafted, native reader for the manga and comics you already own or have the right to read. Sumi comes empty by design: no catalog, no content, no built-in sources ā you decide what to read. Import your own files, connect your own server, or add a source by pasting the address of a site you are entitled to access. Sumi brings the reading; the library is yours. A READER, NOT A LIBRARY ⢠Your own .cbz, .cbr, .zip, .pdf and .epub files, from the Files app, AirDrop or Mail ⢠Your own Komga or Suwayomi server ⢠Your own source: paste a site's address, or share a page from Safari ā no content or site is included: Sumi recognizes common site software as soon as you paste an address ⢠"Test this source" shows which step fails, and Sumi notices when a site moves DESIGNED FOR READING ⢠Ink, dark, and Paper, light: two themes made for long sessions ⢠Paged or vertical-scroll reading, right to left for manga, and Guided View, panel by panel ⢠Resume: the titles you're reading at the top of your Library, back to the exact page ⢠An end-of-chapter page, bookmarks, and tap zones your way ⢠Rate titles from one to five seals and keep a private note ⢠On iPad, Sumi follows the size of its window, and the keyboard turns the pages ⢠Free backup and restore of your whole collection THE NOTEBOOK Four tabs: Library, Browse, Notebook and Settings. The Notebook keeps track of your reading, like the seal books travellers have stamped from temple to temple: ⢠Twenty-eight ink seals to earn by reading, a few of them secret ⢠A forgiving daily streak, a weekly goal, and challenges for the month ⢠The ink calendar, your ex libris and the year's Almanac, to share as pictures ⢠"What to read tonight?": the omikuji draws a title from your pile ⢠No account, no leaderboard: it all stays yours, and "Plain reading" hides the play when you just want to read BEYOND THE APP ⢠The Resume reading widget takes you back to the right page ⢠Siri, Shortcuts, Spotlight search and quick actions on the app icon THE FINE PRESS (PREMIUM) ⢠Offline downloads, from your Komga or Suwayomi server too, with predictive download and storage management ⢠iCloud sync across iPhone and iPad ⢠New chapters in the background, the visual selector and Change source ⢠Continuous reading, on to the next chapter by itself, two-page spreads, color filters, page previews ⢠Detailed statistics, unlimited history, the whole year in the ink calendar, the Almanac month by month, the seals of the seasons ⢠Streak and seal widgets, and the Papier, Hanko and Sakura app icons ⢠Incognito mode, App Lock with Face ID, Touch ID or a passcode, the Sakura theme and an automatic theme Seals, the streak, the weekly goal, the omikuji and the Resume reading widget stay free. SUBSCRIPTIONS The Fine Press is available as a monthly or annual auto-renewing subscription, or as a one-time lifetime purchase. Payment is charged to your Apple Account. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period; manage or cancel them in your Apple Account settings. YOUR RESPONSIBILITY Sumi is a neutral reading tool. It is not affiliated with any website, publisher, or content, and cannot guarantee the availability of any third-party source. You are responsible for ensuring you have the right to access whatever you add. Please support the authors and publishers you love. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sumi-reader.com/sumi-web/privacy
ChapterWing
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ChapterWing turns web novels into audiobooks you can actually listen to. If you read progression fantasy, xianxia, cultivation, or LitRPG, you know the problem: thousands of chapters, no audio anywhere. ChapterWing fixes that. Every series in the library is narrated end to end, so you can keep up with your favorite serials while you drive, train, or do the dishes. WHAT YOU GET ⢠Full-length audiobooks ā not samples. Complete series, chapter by chapter. ⢠Genres built for binge listening: progression fantasy, xianxia, cultivation, LitRPG, system, martial arts, and Eastern fantasy. ⢠Continue where you left off ā playback position syncs across your library. ⢠Background playback with lock screen and CarPlay controls. ⢠Adjustable speed from 0.5x to 3x, plus a sleep timer. ⢠Smart queue that auto-advances to the next chapter so you never break the flow. ⢠Bookmarks for the moments worth coming back to.
Screenshots
Verdict
The clearest difference is in-app purchases: ChapterWing at none against Sumi Book's 3. Sumi Book's advantage is update cadence (every 5 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Sumi Book sells 3 in-app purchases, starting at $3.99 per month. ChapterWing asks for nothing beyond the download.
Sumi Book ships an update every 5 days, ChapterWing fortnightly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | Sumi Book | ChapterWing |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days ā better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No ā better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 ā better |
| Further details ā not scored | ||
| Size | 53 MB | 42 MB |
| Age rating | 17+ | 12+ |
| Developer | Oktay Demir | David Le |
In-app purchases
Sumi Book
- The Fine Press ā Monthly$3.991 Month
- The Fine Press ā Annual$24.991 Year
- The Fine Press ā Lifetime$49.99
ChapterWing
No in-app purchases









