| Price from | $14/mo | $20/mo |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | — | Yes |
| Plans published | 3 | 5 |
| Spec score · Shared Inbox Software | 8.3 (#10) | 7.6 (#24) |
| Company | Keeping says it was founded in 2016 and is based in Brooklyn, New York. | The privacy policy identifies the legal entity as Zavu Labs Inc., incorporated in Delaware, United States, and gives a Dover, Delaware business address. |
| Integrations | The maker lists Shopify, WooCommerce, Salesforce, Slack, Zapier, HubSpot, Asana, ClickUp, Jira, Shortcut, Linear, and monday.com integrations. | The maker lists TypeScript, Python, Ruby, Go and PHP SDKs, an MCP server, agent skills, a CLI, an n8n node and a Vercel Marketplace integration. |
| Product | Keeping turns Gmail and Google Workspace into a shared inbox and help desk for team email. | Zavu describes itself as a unified messaging API for sending and receiving communications across channels. |
| Support | Essentials includes email support, while the HIPAA plan includes a dedicated account manager. | Pro includes direct chat with Zavu engineers from 9am to 7pm Eastern Time, Monday to Friday; free users get an in-product assistant and Discord community. |