No one, including experts like myself, can really tell you if an idea is viable. The only way to really know is to validate the idea in the market.
Look at my full answer on how to do this here: https://clarity.fm/questions/6423/how-do-you-do-market-research
I've successfully helped over 300 entrepreneurs, startups and businesses, and I would be happy to help you. After scheduling a call, please send me some background information so that I can prepare in advance - thus giving you maximum value for your money. Take a look at the great reviews I’ve received: https://clarity.fm/assafben-david