1) Superior reading experience — fast rendering, smooth zoom and page navigation, reflow and single-column view, customizable themes (night, sepia), adjustable fonts and margins, bookmarks and table-of-contents support, and text-to-speech for hands-free listening, with quick search, continuous scroll, and split-view for comparing documents.
2) Comprehensive annotation and editing tools — highlight, underline, strike-through, sticky notes, freehand drawing, shapes, stamps, and ink signatures. Fill and save forms, redact sensitive text, add comments, and merge or split pages. All edits are non-destructive with version history, export options, and customizable toolsets for frequent tasks.
3) Smart document management and cloud integration — organize PDFs into folders and tags, batch rename, compress, and secure files with password protection or encryption. Built-in OCR makes scanned documents searchable; automatic cloud syncing with Dropbox, Google Drive, and iCloud ensures access, backups, easy sharing, and permission controls across devices.
1. Limited advanced editing: Basic annotation and text highlights are supported, but advanced editing — like precise PDF layout editing, batch processing, redaction, or flawless OCR-based text extraction — is often missing or rudimentary compared with full desktop PDF editors, forcing users to use separate software for complex edits.
2. Performance and stability issues: The app can be slow or crash when opening very large or image-heavy PDFs, with long load times, sluggish page rendering, and higher memory or battery usage. Search, indexing, or cloud sync can lag, degrading productivity on heavy-duty or multitasking workflows.
3. Feature gating and privacy trade-offs: Many useful tools are locked behind subscriptions or in-app purchases, and free versions often show ads. Cloud backup and syncing may require account creation; depending on the provider’s policy, uploaded documents could be stored unencrypted or shared, raising privacy and compliance concerns.
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.
