Transactional Bulk SMS

Transactional Bulk SMS

Engage and Inform Your Customers!

Bulk SMS Service has been steadily growing since many years. Past few years have witnessed a lot of growth of the instant messaging apps like whatsapp.

What is Whatsapp Bulk SMS?
Whatsapp Bulk SMS does the same work as bulk SMS, but messages are delivered via whatsapp. You can communicate with your clients using the broadcast feature available in whatsapp.
Comparative study between Whatsapp Bulk SMS and Bulk SMS

Below we have mentioned several factors of comparison between these 2 features of promotion:
Number of messages – In whatsapp there is a limit of sending messages and the message can be sent to 256 recipients through ‘broadcast’. Whereas in Bulk SMS there is no such limit. You can send SMS to 1 lakh recipients on a single click. Internet connectivity – To receive message via whatsapp, it is necessary to have an internet connection. Whereas there is no such restrictions in bulk SMS. SMS is compatible with every mobile device. This makes it an ideal choice for every industry. Also there is no need for installing a separate app if we are sending SMS. Open rate – Bulk SMS has a high open rate of 98% as compared to other mediums. Infact sending whatsapp messages for promotional purposes is considered as intrusion of privacy.
Hence taking into consideration all the factors, it can be said that Bulk SMS is definitely a better choice for interacting with clients. Whatsapp Bulk SMS is sending promotional and advertising bulk messages to clients on whatsapp. Take the Bulk SMS Service of Stackology and reach your customers instantly. The robust platform of Stackology offers you the benefit of communicating with your clients at a very affordable rates.


Increase sales and customer satisfaction with smarter SMS campaigns, instant OTPs, notifications, surveys & more .

  • No setup fees, pay ONLY for the SMS you buy.
  • Messages delivered from a dynamic sender ID.
  • Proven 98% message open rate within 5 minutes of arrival.
  • Multiple providers help us to minimize downtime and improve SMS reach.
  • Your unused SMS credits can be carried forward to new calendar year.
  • We are using multiple operators which provides the genuine delivery report.

Price & Plans

The Transactional Bulk SMS service can work extremely well in generating new leads and boost your sales. DLT Registration: TRAI has mandated all businesses that want to send SMS to register their business, headers, and templates on DLT platforms.
12000/month messages


  • 1 WhatsApp numbers
  • 10000 Text messages
  • 2000 Media messages
  • 600 Messages queue size
  • Up to 6 per minute Messages delivery speed
  • 1MB Max media size
  • No API access
  • Webhook events
  • 18% GST Extra
  • 100% Advance Payment
Unlimited/month messages

INR 20000

  • 1 WhatsApp numbers
  • Unlimited Text messages
  • Unlimited Media messages
  • 10000 Messages queue size
  • Up to 100 per minute Messages delivery speed
  • 10 MB Max media size
  • No API access
  • Webhook events
  • 18% GST Extra
  • 100% Advance Payment