you need to not care what anyone else thinks and learn what you really value in another human. don't put a strict age limit on it. in terms of searching the apps, i would say there's a remote possibility that someone as young as 24 and as old as 45 could match your emotional intelligence and life experience.
keep the RANGE as broad as you can, but only consider women at the far end of either extreme if they really seem perfect for you. the overwhelming likelihood is that there are more women who are perfect for you closer to your exact age. keep your focus between 29 and 40 (38 if you want kids).
would people judge you - who the fu)(*&#(* cares? you should not care what people think. but since you asked about 10 years younger, i think it's pretty doubtful you find true, lasting happiness with a 25 year old. not only is she a different generation, she probably doesn't understand basic truths about life that you learned through both experience and changes in your frontal cortex which we go through in our late 20s. her personality is gonna change and your chances for divorce are gonna skyrocket.
don't forget that if you're truly looking for a life partner, the things you find attractive about a 20 or 25 year old now (let's be honest, her leg speed and bangin body) will fade with time. it's time for you to find you a woman that's maybe still fuggin around with a track 10k but has moved up to the marathon or experimenting with trail running. that's what lasts.
final note, if you have truly prioritized making money so absolutely that you haven't dated seriously - which really just means getting very close to another human being - this might be a tricky adventure for you. don't get discouraged. every wrong lady you chat with and meet is helping you know yourself better and getting you closer to the one.