PDFs

Today we’re looking at PDNob, a PDF editor from Tenorshare. If you only highlight a few lines and send the file back, you can survive with a basic reader.

Today, we’re diving into an app that truly sits in its own category when it comes to deep research and long-form studying.

Sometimes, annotating a PDF just doesn’t cut it—you need to actually change the content itself. That’s where a proper PDF editor like UPDF steps in.

Today, we’re diving into UPDF’s form tools and AI features. If you work with a lot of PDFs (or if you’re creating forms for interviews, applications, or surveys), UPDF might just be the most efficient tool out there.

Before it’s an editor, every PDF editor is first a reader. So, how does UPDF 2.0 handle reading and annotating your PDFs in 2025? Let’s find out!

Foxit PDF Reader is one of the oldest PDF reading apps on the market, which has been around almost as long as Adobe Acrobat.

When we started working on the PDF-app database, and I got the shock of my life. We are studying a total of 21 PDF apps ranging from simple PDF readers to complex editors.

Given how much work the developers have put into the user interface of the app, I hope that they’ll be adding more features soon. They really did put a lot of effort into the aesthetics of the app, which makes it a future-proof design.

Adobe Acrobat Reader is not optimised for running on any device; it has terrible RAM management, which makes the app a pain to use.

UPDF is a PDF editor by Superace Software Technology Co., Ltd that is available on iPadOS, iOS, Android, macOS and Windows. At $29.99/year or $49.99 (a one-time purchase), it is the cheapest PDF editor we have encountered so far.

Before we get started, Notability has updated its app to add a pencil tool.

On the iPad, you can work on your PDFs in either a note-taking app,

Adobe Acrobat Reader is a PDF-reader by Adobe Inc. On the iPad, it is available to download for free but has in-app purchases for pro features.

PDF reading is one of the best note-taking styles for minimalist note-takers. There are

PDFelement is a good PDF reader with simple PDF-editing capabilities. Its one-time purchase is a sure reason to consider it over other available options.

Like everything else with ZoomNotes, its PDF reading experience is the best you’ll get

GoodNotes is an awesome note-taking app with decent PDF reading capabilities. Flexcil, on the

Flexcil 2 sells on App Store as a note-taking app and PDF reader. For

LiquidText is a formidable research tool for the iPad that keeps improving every year. The syncing issues we had before seem to have been finally resolved, and we’re happy to see that.