Build an iOS app that shows Autosuggest UI component which uses Google Places API to get the data.
API endpoint
https://maps.googleapis.com/maps/api/place/autocomplete/json?input=1600+Amphitheatre&key=<API_KEY>
API KEY
Create your own here: https://developers.google.com/maps/documentation/places/web-service/autocomplete#maps_http_places_autocomplete_fr-txt
API Docs
Place Autocomplete | Places API | Google Developers