What are some alternatives?
When comparing Workflow and DO by IFTTT, you can also consider the following products
Automate - Automate various tasks on your Android smartphone or tablet.
Actions - Automate repetitive tasks on your iOS Device
Tasker - Tasker is an application for Android which performs Tasks (sets of Actions) based on Contexts...
Shortcuts - Do more with your apps. Made by Apple. ✨
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Workflow Today Widget - Tap to automate things you do every day