Following is one of best iPhone photo search hacks using Photos Search by Fluntro.

Download “Photos Search by Fluntro” from Appstore –

https://apps.apple.com/app/apple-store/id6471649312??pt=899510&ct=exifblog&mt=8

Once App is installed, Launch the app and give permission for Photos access. Indexing of photos could take several hours depending on number of photos you have in Photos Library.

Once indexing is finished or is still in progress, search for specific text in search bar. App would display, all photos that have the specific keyword