Spoofing your iPhone location isn't easy since App Store doesn't offer any access to unauthorized spoofing apps. So you'd better find a reliable tool to get the job done. If you continue to change the location, your account will be blocked. If they find out that you're changing areas in the game, you'll get a warning message first. Important Notice: Spoofing a Pokémon GO location is an illegal way to play this game, and the game company keeps full watch on location hackers. Top 3 Best Pokémon GO Spoofer for Android
Top 3 Best Pokémon GO Spoofer for iOS Part 2.