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Welcome to the forum.
If it's your first drone, stick to DJI Go4 (the one especially for the M1P / MPP and other earlier DJI drones).
Available in android and apple app shops.
Later on, if you want to explore more into automated flight, there are certainly reliable proven apps like Litchi, Dronelink, and numerous others.
I find it just too much fun flying myself to get into other such apps . . . haven't really used many of the Go4 features like that so far, and it's been over 4 years !!