Perfect Viewer X vs Rukomi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Perfect Viewer X
A professional reader for image and e-book enthusiasts, this app offers a versatile reading experience across multiple devices. It supports over 20 file formats, advanced image processing, and flexible reading modes, with extensive cloud storage integration.
- Supports over 20 file formats (images, archives, e-books, documents)
- Professional image processing and adjustment tools
- Flexible reading modes (single/dual page, reading direction, scrolling)
- Cloud and network storage integration (iCloud, Google Drive, SMB, FTP, WebDAV)
- Highly customizable interface and gestures
- Built-in file management and bookshelf
- E-book specific features like TOC navigation and full-text search
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Perfect Viewer X is a brand new cross-platform version of the classic Perfect Viewer, a professional reader designed for image and e-book enthusiasts. Whether you're a comic fan, photographer, or e-book reader, Perfect Viewer X delivers the best reading experience on your iPhone, iPad, and Mac. Supports Over 20 File Formats • Images: JPEG, PNG, WebP, AVIF, JPEG XL, HEIF, TIFF, GIF, BMP, etc. • Archives: ZIP, RAR, 7Z, CBZ, CBR, CB7, TAR, LZH, etc. • E-books: EPUB, MOBI, AZW, FB2, TXT, HTML • Documents: PDF, DjVu Professional Image Processing • Automatic color correction and contrast adjustment • Hue, saturation, and brightness control • Image sharpening and edge cropping detection • Grayscale and color inversion modes • Multiple zoom and fit modes Flexible Reading Modes • Automatic single/dual page switching • Left-to-right or right-to-left reading • Vertical scrolling mode • Auto-rotation feature • Full-screen immersive reading Cloud & Network Storage Integration • iCloud Drive support — open and sync your files across all your Apple devices • Full Google Drive support • SMB/CIFS network share support • FTP/FTPS/SFTP protocol support • WebDAV server support • Browse and open remote files directly • Automatic login and authentication Highly Customizable • Customizable touch zones and gestures • Hardware key mapping • Quick action bar customization • Day/Night themes • Detailed display settings Complete File Management • Built-in file browser • Bookshelf and favorites • Reading history • Bookmark feature • Settings export/import E-book Exclusive Features • Table of contents navigation • Full-text search • Text selection • Custom fonts and sizes • Paragraph spacing adjustment Advanced Features • Slideshow auto-play • Magnifier and balloon magnifier • Quick screen brightness adjustment • Preference management • Multi-language interface
Rukomi
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Rukomi is a comic reader and local library manager built for comic collectors. Import and organize comics on your iPhone or iPad, or access remote libraries through SMB, WebDAV, or OPDS. When supported by the server and file format, you can start streaming immediately without downloading the entire file first. 【Broad Format Support】 Supports comic archives, documents, ebooks, and common image formats, including ZIP/CBZ, RAR/CBR, PDF, EPUB, MOBI/AZW/AZW3, JPG/JPEG, PNG, WEBP, GIF, HEIC/HEIF, BMP, TIFF/TIF, and SVG. No manual extraction or conversion is required—import a file and start reading. 【Open a Remote Library and Start Reading】 Connect to a computer, NAS, or remote library through SMB, WebDAV, or OPDS. Supported files are loaded on demand, so you can start reading without waiting for the entire comic to download—ideal for large collections. 【Multiple Ways to Import and Access】 Import individual files or entire folders from the Files app, or transfer comics to your local library over Wi‑Fi. You can also mount folders or connect to SMB, WebDAV, OPDS, and cloud storage to access local and remote collections in the way that works best for you. 【AI Image Enhancement】 Intelligently reduces blur and jagged edges in older comics for a more comfortable reading experience. 【A Reader Designed for Comics】 Adapts to manga, Western comics, and vertical-scroll comics with right-to-left, left-to-right, and vertical reading. Choose your preferred page transition and use two-page view, split spreads, edge cropping, and auto-read to make every session feel natural. 【Organize Your Local Library】 Manage your local collection with folders and tags. Search, sort, pin titles, and choose from multiple library layouts to find what you want quickly. Reading progress is saved automatically, so you can pick up where you left off. 【Keep Track of Every Reading Session】 View reading time, pages read, reading streaks, title rankings, and your reading calendar. Look back on your reading history and see every session add up. 【Create a Reading Space of Your Own】 Choose from multiple themes and display settings, and personalize your reading space with custom fonts and theme wallpapers. Some features require an in-app purchase to upgrade to Pro. -- Pro benefits: While your Pro access is active, you can use all advanced features included with Pro. -- Monthly (one month), quarterly (three months), and annual (one year) plans are auto-renewable subscriptions. -- Actual prices are shown at the time of purchase. Charges are converted to your local currency using the current exchange rate defined by iTunes, and payment is charged to your iTunes Account when the purchase is confirmed. 【Monthly, Quarterly, and Annual Subscription Services】 -- By purchasing a monthly, quarterly, or annual subscription, you authorize Rukomi to charge the Pro subscription fee for the next billing period to your iTunes Account (the “Account”) as your current subscription period approaches its end. Your Account will be charged within 24 hours before the end of the current billing period. If payment fails because of insufficient funds, Rukomi may suspend or terminate your Pro access without further notice. -- To cancel an auto-renewable subscription on an iOS device, go to Settings → iTunes Store & App Store → Apple ID → View Apple ID → Subscriptions, then cancel the subscription. -- Privacy Policy: https://comic.teem.ink/privacy -- Terms of Service and Auto-Renewal Terms: https://comic.teem.ink/terms
Screenshots
Verdict
The clearest difference is price: Rukomi at Free against Perfect Viewer X's $4.99. Perfect Viewer X's advantage is in-app purchases (none vs 2) and chart position (#91 vs unranked). On update cadence, ads 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
Rukomi is free to download; Perfect Viewer X costs $4.99 up front. Rukomi sells 2 in-app purchases, starting at $6.99 per year. Perfect Viewer X asks for nothing beyond the download.
Perfect Viewer X ships an update monthly, Rukomi every 3 weeks. Both last shipped on October 16, 2026.
| Parameter | Perfect Viewer X | Rukomi |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Best chart rank | #91 — better | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 78 MB | 41 MB |
| Age rating | 4+ | 9+ |
| Developer | TA-YU LIN | 添欢 谢 |
In-app purchases
Perfect Viewer X
No in-app purchases
Rukomi
- yearly subscription$6.991 Year
- Pro$9.99







