The phrase "application is easy" is correct and usable in written English.
You can use it to describe the simplicity or user-friendliness of a particular application or software.
Example: "After trying out the new software, I can confidently say that the application is easy to navigate and understand."
Alternatives: "the app is simple" or "the software is straightforward."
Its application is easy, fast and can be performed by the orthodontist.
"We have been looking around for a decent web-based word processor, so we don't have to pay for an expensive Microsoft licence". From his limited experience, Barret says the application is easy to administer.
This application is easy to understand with muscles.
This unique application is easy and fun to do, without injury from over use of the thumbs.
The application is easy to use and has a clean design — it's definitely worth checking out if you'd like to explore Facebook Places.
If the class κ functions are of the particular form (alpha _{i}(r)=k_{i}r^{c}), its application is easy in the proof of Theorem 2.4.
Mr. Little boasts that solidThinking's basic application is easier to use than software sold by rivals like Autodesk and Robert McNeel & Associates because it lets users alter their designs quickly and keep track of any changes in a detailed fashion.
The use of FRP laminates as connectors in glulam timber members is considered to be particularly promising since the durability of the system is improved and the application is easier and faster due to the lightweight properties of FRPs.
Making a decision in the appropriate context (i.e., when the user runs the application) is easier than doing it out of the context of use; it limits the cognitive load.
Unfortunately, like many hot concepts, real world application is easier said than done.
After a rocky first few days, state officials said last week that 70% of patients using the public enrollment website, at http://www.coveredca.com, reported the application was easy to complete.
