| Price from | ₹2,000/mo | $29/mo |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | — |
| Plans published | 11 | 3 |
| Spec score · WhatsApp Business API Providers | 9.0 (#4) | 7.1 (#27) |
| Integrations | MSG91 lists integrations or connectors including Shopify, Zoho CRM, CleverTap, Excel, Google Sheets, Auth0, Zapier, Pabbly Connect, viaSocket, Tally and Kylas. | Whatso connects WhatsApp messaging through the official WhatsApp Business Platform Cloud API and supports webhook-powered flows for order tracking and lead capture. |
| Product | MSG91 describes itself as a cloud communication platform offering APIs and tools for SMS, WhatsApp, RCS, email, voice and authentication. | Whatso turns a WhatsApp Business number into a shared team inbox for assigning chats, replying with templates, automating with chatbots, and sending broadcasts. |
| Support | Support is available by chat, email, WhatsApp call or Google Meet; listed hours are Monday–Saturday 8:00 AM–midnight IST and Sundays and holidays 10:00 AM–7:00 PM IST. | Support is available by email at [email protected], and Whatso says it typically replies within one business day. |
