Language auto detect / dictation for supported keyboards

At the moment I use three language on my iPhone for typing. Hungarian, Dutch and English. For me it would be very useful to have autodetect keyboard. I saw bilingual but I need tri-lingual By husband would need 4 languages. I can very easily switch languages but when you have 3 + emoji, this is becoming a painful.

Also Hungarian doesn’t seem to be supported for dictation. Hungarian has 14 vowels and it uses lot of suffixes. So autocorrect is pretty useless. I know it’s a niche language but dictation would be much needed. Possibly same for Finish and Estonian but not sure if it’s the case. I just know that the languages are somewhat related.