Do you think all branded hearing aids are better in quality?

The latest digital hearing aids have launched by Phonak, Oticon, Resound Bernafon and Starkey hearing aids.  If you compare with the analogue hearing aids, these are far better as it has some potential advantages like gained processing, feedback and noise reduction, speech enhancement, and directional microphones.  The digital hearing aid was first introduced in 1987 with 2 manufacturers.  Recently, 40 new models were introduced by 20 superior manufacturers. There is a drastic change in the demand and supply from the market for these products.  All branded products may or may not be good in quality. Hence as a buyer, the user has to check for the quality, features and other benefits of purchasing.