StreetComplete is not available for iPhone but there are some alternatives with similar functionality. The best iPhone alternative is Every Door, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to StreetComplete and five of them are available for iPhone so hopefully you can find a suitable replacement. Other interesting iPhone alternatives to StreetComplete are OpenStop, MapSwipe, Go Map!! and OsmoTagger.
Every Door enhances OpenStreetMap by allowing users to add shops, amenities, and fine details like benches through mobile. Supports offline use and pre-loadable tiles for seamless editing without internet, while checking shop existence and editing building specifics.
Humanitarian organizations can't help people if they can't find them. MapSwipe is a mobile app that lets you search satellite imagery to help put the world's most vulnerable people on the map.
OsmoTagger is an innovative open-source OpenStreetMap (OSM) editing app, licensed under GPLv3, that enables you to conveniently edit OSM maps right from your mobile device. With OsmoTagger, you can quickly download any map area, add new points, and edit tags for points, lines...
Estonia
EU
Germany
United States
Poland
It's one of the few mobile apps that let you edit OSM but its on iOS unlike StreetComplete. You should still use StreetComplete in addition to this cause it's really good.