Synthesis Mobile for iPhone
Synthesis Mobile version 3.1 and beyond is supported on iOS8.
Synthesis Mobile version 3.0 is supported on iOS7 and iOS8.
Synthesis Mobile for Android
Synthesis Mobile version 2.0 is supported on Android version 4.0 "Ice Cream Sandwich" and later.
Why Only These Versions?
Developing an app for older operating systems is a major commitment of resources. Given that people upgrade their mobile device operating systems very, very quickly, we've limited our development to these operating system versions because we think it is the best way to support our clients and their employees.