1. Fast, lightweight rendering that opens large PDFs instantly and keeps scrolling smooth even on older devices. Minimal memory and CPU usage reduce lag and battery drain, making FLY PDF-View ideal for quick reference, reading long documents, and multitasking without waiting for pages to load or stuttering.
2. Powerful annotation and editing tools let you highlight, underline, add comments, draw freehand, fill forms, and electronically sign documents. Edits are saved non-destructively and can be exported or shared, enabling efficient collaboration, note-taking, and document review across teams or personal workflows without switching apps.
3. Integrated cloud and file-management support synchronizes documents across devices, offers fast full-text search, bookmarks, and customizable reading modes (night, reflow, continuous). Seamless import/export with popular cloud services and local folders makes organizing, locating, and resuming reading effortless—especially for users handling large libraries or doing research.
1) Limited annotation and editing tools: lacks advanced editing features such as reliable form filling, redaction, or rich markup; annotations and edits may not sync across devices. Users needing full PDF editing workflows must use additional software, reducing convenience and increasing time spent switching apps.
2) Poor or missing OCR/text recognition: scanned documents are often non-searchable or inaccurately recognized; OCR quality may be low or absent, requiring manual transcription or third-party OCR tools. This hampers productivity when working with scanned PDFs, searchable archives, or extracting editable text.
3) Performance, stability, and compatibility issues: slow rendering or crashes with large, image-heavy, or multi-page PDFs; high memory and CPU use on older devices. Limited support for some PDF standards, embedded fonts, or multimedia can cause display errors, missing content, or inconsistent printing results.
If you’re an Android user and don’t download the app from the official Google Play Store, you may find the installation process more complicated than usual.
But we are delighted to inform you that you don’t need to worry. To ensure you could install this app smoothly, we have written and uploaded a detailed tutorial. It would guide you on installing an app after downloading it from our website step by step, with the help of pictures.
You may find this helpful article on the downloading site, or visit How to install APK/XAPK files on Android.
If you need further help, please do not hesitate to contact us via email [email protected].
We fully understand your concern about safety. We agree that one person wouldn’t be too careful in the cyber world. Meanwhile, we are happy to tell you that one of our priorities is to provide our users with safe app files that they can use without any worries.
We guarantee that all the app files we provided originate from official and reliable sources. We promise that they do not contain any malware that will harm your hardware or the safety of your privacy.
We are glad to let you know that the vast majority of apps on our website are available for free download. Only a small selection of apps require payment, and their prices are set solely by the respective developers—we simply provide an official and secure download platform.
Rest assured, whether an app is free or paid, every download link on our site is verified and completely safe. You can download with confidence, and no account registration is needed—just click the download button and you're all set!
Recently we received a lot of emails from our users, which said they couldn't log in for different reasons, such as "forgot the user name or password" or "had a new phone." We are willing to help you out. Please read the notes below to see what we can do.
To answer this question, please first let us know which account you’re referring to.
If you're referring to your account of some app, like your Facebook account or your Youtube account. Unfortunately, we would not be able to help in this case. We would suggest you turn to the customer service of this application.
If you’re referring to your Appurse account, we should apologize for your confusion since there is no Appurse account. We never require registration for our service, and you will not find any procedure related to creating an account or registering on our website.
This question is essentially quite similar to the prior one. It’s a pity that we are unable to help you to cancel the subscription to a third-party application directly, while we would suggest you to contact its customer service for further information.
Sorry that we are unable to help you to get a refund from a third-party application directly. If you wish to get a refund from a third-party app, we would suggest you to contact its customer service. We would be happy to provide you the way to contact them.
If you want a refund from us, we should apologize for your confusion. Our service is 100% free, and any payment information is not required.
If you run into any site that asks you to provide your payment information, be careful. Remember never reveal your payment information to any unauthorized third parties, no matter how attempting their offer may seem.
Sorry that we cannot answer this question directly, for this only aims to answer some general questions. You may find how to use a certain app by checking our review page.