While the Adonit Note+, Zagg Pro and the Adonit Pixel are similar… they have their benefits and disadvantages when it comes to pressure sensitivity because..
What Stylus Pen do Artists use to Draw on iPad? The most common pen you will see a professional digital artists use to draw on the iPad is the Apple Pencil. This is because the Apple Pencil is designed to work more effectively than other stylus with the iPad screen and has pressure sensitivity levels that match that of professional, studio-level drawing.
When tested, the Apple Pencil 2, Surface Pen, and surface slim pens had similar pressure sensitivity and are very similar regarding drawing and note taking capability (with some slight pros and cons). Which you choose will largely be based on which iOS you prefer and which apps you plan on using the stylus pen for.
When comparing the differences between the Apple Pencil vs basic stylus pens, it’s important to understand that Apple Pencil has improved upon all the following features: pressure sensitivity, precision, compatibility, features, shortcut buttons (gestures), tilt control, palms rejection and different ways to charge the battery. Other stylus are objectively inferior regarding these features because Apple has designed it’s products to work seamlessly together with the iPad tablets.
To answer to question if the Apple Pencil 2 is worth it or not: Yes, the apple pencil 2 is worth it if you plan on doing any sort of drawing, sketching- especially compared to cheap third party apple pencil alternatives that lack many functions they claim to accomplish such as pressure sensitivity and full gesture capabilities.
The best iPad Air stylus for drawing and note-taking can be characteristized as pen models that have true pressure sensitivity, communication between the iPad Air, bluetooth connection, palm rejection, tilt technology and ‘gesture’ features.
Apple has evolved it’s previous iPad Air models 1, 2, 3 and 4th generations to work better with the Apple pencil than any other third party stylus. This means having full functionality: true pressure sensitivity and gesture features (such as double tapping to switch brush sizes) with the Apple Pencil.