Free SMS v/s Bulk SMS
Best free SMS services:
- way2sms - http://site21.way2sms.com/content/index.html
- afreesms - http://www.afreesms.com/intl/india
- sendsmsnow - http://www.sendsmsnow.com/
Free SMS- These services are used by students and the people using SMS services temporarily or just for fun. You can send 50-100 SMS daily through these services.
Best paid SMS service:
- MSG91- https://msg91.com/
Bulk SMS- These services are used by business organizations for OTP, alerts, and also for promoting their businesses. Through these services, you can send lacs of SMS in a single click.