Comparing mobile different OS

Question 1

Android

Answer 1

Open Source allows for 3rd Party apps

Extremely customisable user experience

Easy file transfer system plug and work

Available on lots of different brands of phones

Question 2

IOS

Answer 2

Limited customisability

Only App Store apps are allowed

File Transfer must be done through iTunes

Only available on Apple Devices

Due to the locked down nature of the OS the risk of viruses or malware is non-existent

Question 3

KaiOS

Answer 3

Web Based Platform

Built for phones with physical keyboards

Low minimum memory requirement

KaiOS phones are usually low-end phones

HTML 5 app store allows powerful web-based apps
Useful in emerging economies