ABAP SAPUI5

Inside Out Outside In

Tightly integrated with DDICTightly integrated with user (see John Moy's comment)

Little control over runtime A lot of control over runtime

Limited access to controls Maximum access to controls

Focused on integrated data Focused on runtime and user experience

20+ years old 2 years old

Limited toolingFree tooling (I use vim, Sublime Text, Eclipse, depending on how I feel, for example)

Large offline footprint (if I want to develop on the plane for example) Minimal offline footprint

(Talking of offline) very limited offline use More chance of building offline applications