Right PDF Reader vs 猎虫者
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Right PDF Reader
This application provides robust PDF viewing, annotation, and management tools. It allows users to organize, share, and sign documents with a user-friendly interface and advanced features.
- Fast PDF viewing
- Annotation tools (highlight, draw, text)
- Document organization with folders
- Cloud storage integration (Dropbox, WebDAV)
- Handwritten signature creation
- Form filling
- Password protection
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Right PDF Reader goes beyond a free PDF reader app. Created by a team of professionals in the PDF software business since 1993, Right PDF Reader has a simple UI that is easy to navigate and more features than average free readers. PDF Viewing - Fast document open speed - Browse lets you view PDFs in the device or iCloud - Supported thumbnail view - View PDF portfolio, comment, attachment and protected document - Single page view or continuous view available - Fit page width or whole page are also available under single page view - Use Day/Night mode to adjust brightness - After tapping page number, you can enter a number and jump to that page directly. - Quickly add and edit Bookmarks and Marks - Search document Note and Comments - Use highlight, cross-out and underline to annotate PDF with customizable color and opacity - Note lets you to add text comment anywhere in PDF - Use Draw Tools to mark up PDF with color, thickness and opacity of your choice. Move and undo are also supported - Batch remove comments Document Management - Create folder to organize PDFs better - Move or copy multiple documents to a folder - Compress multiple documents or folders, or extract any package quickly - Rename document - Attach one or multiple PDFs to an e-mail - Select and delete multiple documents Online Sharing - Get documents in and out of Dropbox - Add WebDAV servers to upload/download documents easily - Access documents in Gaaiho PDF online or upload documents directly to the app (permissions required), breaking the barrier between computer and your iPhone/iPad Handwritten signature - You can create a handwritten signature by drawing, using an image, or taking a photo - Sign anywhere in document Other Features - Fill a form - Use “open in” to share PDF files with other applications - Auto-memorize the point you quitted reading last time - Protect PDF with an open password - Print document
猎虫者
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通过MORE猎虫者让虫控企业便于自我管理，提升服务品质 1. 数据化的管理系统包含Web端与手机移动端 的软件，服务第一线人员与后勤人员，让虫 控企业的管理无死角。 2. 记录一线人员操作细节与用药数量，作为 虫控企业成本分析与监管的依据。
Screenshots
Verdict
The clearest difference is update cadence: 猎虫者 at every 5 weeks against Right PDF Reader's every 11 months. 猎虫者 also leads on iOS requirement (9.0 vs 14.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Right PDF Reader ships an update every 11 months, 猎虫者 every 5 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.
| Parameter | Right PDF Reader | 猎虫者 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5 ratings) — better | — |
| Positive reviews | 92.3% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 11 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 79 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | ZEON Corp | DONGJING INFORMATION CO., LTD. |
In-app purchases
Right PDF Reader
No in-app purchases
猎虫者
No in-app purchases
