| Price from | Free | $49.99/mo |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 6 | 4 |
| Spec score · WhatsApp Marketing Software | 9.2 (#6) | 7.4 (#40) |
| API | The API page says qualifying Enterprise and Reseller plans include direct Meta Cloud API access and a Postman collection for integrating applications. | Zoko's API uses dashboard-managed API keys and requires HTTPS for requests. |
| Automation | Growby lists birthday, anniversary, and festival automations, with plan limits ranging from 1 to 1,000 automations in its pricing comparison. | Zoko offers automated abandoned-cart recovery, order notifications, and other Shopify-triggered flows. |
| Campaigns | The marketing software supports contact imports, personalized bulk campaigns, scheduled broadcasts, and delivery and read reports. | Users can send WhatsApp campaigns to Shopify customer segments. |
| Headquarters | Crunchbase lists the headquarters in Vadodara, Gujarat, India. | Buford, Georgia, United States; Bengaluru, Karnataka, India |
| Integrations | The pricing comparison lists Google Sheets and Zapier integrations on paid plans, while Growby’s Google Sheets guide says contact data syncs every 8 hours. | The Shopify App Store lists Checkout Apps, Facebook Messenger, Instagram, Judge.me, WhatsApp, and WhatsApp API under Works with. |
| Product | Growby describes itself as a WhatsApp engagement and marketing platform built on the official WhatsApp API. | Zoko connects Shopify stores to WhatsApp for marketing, sales, support and automation. |
| Shared inbox | A shared WhatsApp inbox is provided for sales and support conversations, with customer chats free for up to 24 hours after a reply. | The app provides a multi-agent shared inbox for handling conversations through one WhatsApp number. |
| Support | The site lists weekday pre-sale and post-sale phone support hours of Monday through Friday, 10:00–18:00 IST, and provides [email protected] for inquiries. | The Shopify App Store identifies Bourbon Science Inc. as the app support provider. |