Comparison

	Twilio	Vonage (Nexmo)	MSG91	MessageBird	Clickatell
SMS Verify	Yes	Yes	Yes	Yes	Yes
Voice Verify	Yes	Yes	No	No	No
Custom SMS/Voice Content	Yes	No	Yes	No	Yes
Code Length	6 digits	6 digits	6 digits	6 digits	6 digits
Automatic Translation (locale)	No	Yes	No	No	No
Requires Outgoing Number	Yes	No	No	Yes	Yes
Displays Balance