Video editing apps:

Videoleap for iPhone

VLLO for Android

 

Live streaming from your phone & stream remote:

Streamlabs mobile app – Android

Streamlabs mobile app – iPhone

Streamlabs remote control app – Android

Streamlabs remote control app – iPhone

 

Collaborate and meetup across time zones:

Time Buddy – Android

TimeBuddy – iPhone

 

An awesome reminder app:

Productive – Android

Productive – iPhone

 

Make your thumbnail images look better:

Lightroom – Android

Lightroom – iPhone

Download free presets here

 

Nerd out on your stats:

Google sheets – Android

Google sheets – iPhone

 

Quickly reply to comments and plan videos:

TubeBuddy – Android

TubeBuddy – iPhone

 

Make better thumbs and channel art:

Thumbnail maker and channel art – Android

Thumbnail maker and channel art – iPhone

 

See more tools you can use on your phone or computer here.