Hearing aids have been developed over the decades, with major technical advances that boast a number of features. Today hearing aids are not just your everyday help buddy to ease hearing impairment, they have been evolved into sophisticated machines with Bluetooth technology, smartphone connectivity with smart control, and more.

Digital hearing aids today run on microprocessors and chips which are programmable and can adapt to any hearing environment and sound setting there is to give you the best possible customized and natural hearing experience.

Hearing aid reviews can be found across a number of major websites which feature filter options to help you narrow down from the best there is.

The software compatibilities of hearing aids also help narrow down your search when you read reviews based on adaptive adjustments by the hearing aid, wind noise reduction, unique amplification, tinnitus relief, sudden loud noise reduction, streaming bass boost, stereo audio streaming, spatial noise cancellation, spatial awareness, soft speech boost, preference adaptation, phone in stereo, phone ear focus, optional deactivation, open ear sound mixing, occlusion reduction, and more.

Websites will also compare reviews for major brands on the basis of the type of hearing aids, the most popular ones being in the ear (ITE), right in the ear (RITE), in the canal (ITC), and behind the ear (BTE) hearing aids to narrow down on the best one suited for different levels of hearing impairment. Hearing impairment is generally divided into three levels, mild, moderate, and severe for which the hearing aids are specifically designed and manufactured.

Most popular brands which are reviewed online are Widex, Unitron, Starkey, Sonitus, Medical, Sonic, Signia, Siemens, Rexton, ReSound, Phonak, Oticon, Miracle-Ear, Kirkland Signature (Costco), earVenture, amongst many others in the market.