Adobe Photoshop is an incredibly powerful graphic design and photo editing software used by professionals around the world. Photoshop Express, on the other hand, is a simplified version of the software primarily designed for mobile devices. While both applications share similarities, there are significant differences between the two.

Adobe Photoshop is a heavyweight in the world of photo editing and graphic designing. It boasts a range of advanced editing features, including layers, filters, and brushes, that enable professionals to manipulate images in ways previously impossible. The software is rich in tools and functions that allow users to create complex and intricate designs.

Photoshop Express, on the other hand, is designed to be a more simplified, easy-to-use version of the software. The interface is user-friendly, and the application features a range of quick-fix tools, such as red-eye removal, crop, and exposure adjustments. However, Photoshop Express lacks the depth and complexity of Adobe Photoshop, and while it is perfect for quick fixes, it is not suited for intense, professional-level photo editing.

Another significant difference between the two is their price point. Adobe Photoshop is a paid software that requires a subscription to use, with prices starting at $20.99 per month. Photoshop Express, on the other hand, is a free application, with in-app purchases available to unlock additional features.

Additionally, Adobe Photoshop has a system requirement for computer hardware to run smoothly; it might require a more robust computer/ laptop to run it effectively. Photoshop Express, meanwhile, is designed to run on mobile devices and can work dynamically and smoothly on them.

In conclusion, while Adobe Photoshop and Photoshop Express are both applications designed for photo editing and graphic designing, they cater to different levels of users. Adobe Photoshop is the premier choice for professionals and offers endless creative options. Photoshop Express, however, is the preferable option for beginners or individuals who require quick fixes with a straightforward process. In the end, the choice between the two depends on the user’s needs and their level of expertise.