Testing is one of the important steps that customers often neglect. We recommend that you do not miss this stage and put it in the estimate since testing at the early stages will help to make your product more stable at the scale stage when a large number of users will reproduce all possible test cases and scenarios. We consider quality assurance and testing absolutely critical to every project
Testrail
Selenium
Calabash
XCTest UI
Charles proxy
Espresso
Appium