This app was mentioned in 5 comments, with an average of 1.40 upvotes
I've used this for Android : https://play.google.com/store/apps/details?id=com.keithwiley.android.wildspectramobilelite
It's in no way user friendly or easy to use, but if you follow the setup instructions and watch the YT videos it works well and seems pretty accurate.
Android: https://play.google.com/store/apps/details?id=com.keithwiley.android.wildspectramobilelite
Not sure for ios, I'm sure it exists
Here's what I've been using for several years:
https://play.google.com/store/apps/details?id=com.keithwiley.android.wildspectramobilelite
For android there are atleast these:
using mic:
WildSpectra Mobile
TICKOPRINT. Precision counts.
and using camera:
Watch Accuracy