PlaybookUX is a powerful user testing tool to get video based feedback from your target demographic on websites, prototypes, concepts and more. Gain access to participants from over 50 countries. PlaybookUX supports both moderated and unmoderated studies.
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
UserTesting.com - Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Userbrain - Easy, fast, and affordable user testing for websites and prototypes.
Plivo - Plivo simplifies your customer engagement.
Userfeel.com - Unleash your site's or app's potential with remote usability testing. Results in less than 24 hours. Test on any device with our testers supporting 40 languages!