
Description: Truecaller is a caller ID and spam blocking app for mobile phones. It has a database of over 1 billion phone numbers and identities which it uses to provide caller name and spam detection services.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Should I Answer? is a call screening app for smartphones. It screens incoming calls from unknown numbers and allows you to decide whether to answer, block, or send to voicemail based on information Should I Answer? provides about the caller.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API