--- title: "PDFReader-AI PDF Assistant - Reviews, Revenue and Downloads in Japan | Apple App Store" description: "QPdfReader is an AI PDF Assistant that helps you understand documents in seconds. Upload a PDF and receive an automatic AI summary. Ask follow-up questions, translate important passages, and find the" --- # PDFReader-AI PDF Assistant — Japan ![PDFReader App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/35/28/9d/35289d89-8448-b0fb-0c5f-59b57a7c20d6/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png) **Developer:** [克 谢](https://apptail.io/developer/developer-WNDTmc) **Category:** Utilities **Rating:** N/A (0 ratings) **Price:** Free **Bundle ID:** com.gunnerbaiblake.QPDFReader.QPDFReader **Store:** Apple App Store **Country:** Japan **Version:** 2.3 (released 2026-07-31) **Original Release:** 2026-02-10 **Languages:** English, Japanese, Korean, Portuguese, Chinese, Spanish **App Store Link:** [Download on Apple App Store](https://apps.apple.com/jp/app/app/id6758230344) **AppTail Page:** [https://apptail.io/app/pdfreader-ai-pdf-assistant-CjqA/japan](https://apptail.io/app/pdfreader-ai-pdf-assistant-CjqA/japan) ## PDFReader Description QPdfReader is an AI PDF Assistant that helps you understand documents in seconds. Upload a PDF and receive an automatic AI summary. Ask follow-up questions, translate important passages, and find the details that matter without reading every page. AI PDF Assistant • Instant AI Summary Turn long reports, contracts, articles, and study materials into a clear structured summary with key points, important details, action items, and open questions. • Chat with PDF Ask questions about a document and get context-aware answers based on its content. • Translate Documents Translate selected document content while preserving its meaning and context. • Find Key Details Faster Use AI to identify decisions, commitments, dates, tasks, and essential takeaways. Built for Reading • Open and read PDFs and supported document formats • Browse, search, and organize your files • Keep working with your documents in a focused reading experience PDF Tools When You Need Them Editing, signing, marking, exporting, and sharing tools are available from More, so the main flow stays focused on understanding your document first. For Students, Professionals, and Researchers QPdfReader is made for anyone reviewing research papers, study materials, business reports, contracts, or other important documents. Subscription QPdfReader offers optional subscriptions for expanded AI usage. Free AI usage is limited. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage subscriptions in your Apple ID account settings. Terms of Use: ## PDFReader Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/74/6a/fb/746afb91-0e7e-1d59-b7a5-de698a07bd00/01AI_U9605_U8bfb_U52a9_U7406.jpg/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/73/a9/7b/73a97bbf-de0f-583a-194b-496597eac027/02AI_U9605_U8bfb_U52a9_U7406.jpg/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/96/0c/2f/960c2fc1-a928-f84e-ed42-4606d49718b8/04_U626b_U63cf_U751f_U6210PDF.jpg/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/6c/bb/94/6cbb94df-5704-6bc3-127a-26f0478d0040/06_U652f_U6301_U591a_U79cd_U683c_U5f0f_U6587_U4ef6.jpg/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/a8/01/89/a8018971-893a-5e0b-f313-b4535514a27f/03_U6587_U672c_U81ea_U52a8_U7ffb_U8bd1.jpg/1242x2688.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/aa/6c/1e/aa6c1e02-037f-5a49-0e11-277268a08e97/05_U5feb_U901f_U7f16_U8f91.jpg/1242x2688.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/2d/f4/c6/2df4c672-aeb9-41ea-5f7e-703326575c21/07_U5feb_U901f_U5206_U4eab.jpg/1242x2688.png) ## PDFReader Available In - [Indonesia](https://apptail.io/app/pdfreader-ai-pdf-assistant-CjqA/indonesia) - [Japan](https://apptail.io/app/pdfreader-ai-pdf-assistant-CjqA/japan) - [South Korea](https://apptail.io/app/pdfreader-ai-pdf-assistant-CjqA/south-korea) - [Saudi Arabia](https://apptail.io/app/pdfreader-ai-pdf-assistant-CjqA/saudi-arabia) - [United States](https://apptail.io/app/pdfreader-ai-pdf-assistant-CjqA/united-states) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*