She is deaf from 15 years now it is profound deafness 4th degree hearing loss, got tests audiologist advisd digital or computerizd aid which is better?

Hearing Aid. Digital one is believed to be better due to following advantages: 1) improvement in programmability 2) greater precision in fitting 3) management of loudness discomfort control of acoustic feedback (whistling sounds) 4) noise reduction Only disadvantage is more expensive.