Tell me, your opinion is very interesting. I would like to know and can ask the price about hearing aids for my grandfather.
If you have a smatphone and a pair of earphones, you can get a hearing aid for free. Quadio, a company based in Pune, India has developed a free, mobile-based hearing solution called Q+ and it is super easy to use.
I found new hearing aids for myself, which allows you to listen to several speakers in a noisy environment with maximum comfort. They are called - Oticon Opn, you can read more details here - https://audiologyisland.com/hearing-...-hearing-aids/