Useful travel apps

Google Maps, BiTaksi, Moovit, Trafi (Istanbul), Türk Hava Yolları (THY) and Pegasus apps for flights, Yemeksepeti / Getir for delivery, Google Translate with Turkish offline pack.

Check official sources

Use this as a starting point, then verify current prices, opening hours, rules and emergency details from official sources before travel. Beware of unofficial websites.