Coherence
8.0#2 in email collaboration softwareFrom $12 a monthFree planAndroidWebAPImacOS
VisitCoherence vs Startup Mail
Startup Mail
5.8#29 in shared inbox softwareFrom $1 a monthWebAPI
VisitWhat both publish
| Fact | Coherence | Startup Mail |
|---|---|---|
| Integrations | The integration directory lists connections including HubSpot, Salesforce, Pipedrive, Gmail, Outlook, Slack, Microsoft Teams, Zoom, Google Calendar, Sheets, Drive, Notion, Airtable, Asana, ClickUp, Jira, Mailchimp, WordPress and Stripe. | The product describes forwarding and secure reply relay with Gmail and Outlook. |
| Security | Coherence says data is encrypted with AES-256 at rest and TLS 1.2 or higher in transit, and that it is hosted on SOC 2 certified infrastructure. | The maker says API, webhook, and MCP access use granted mailbox permissions, and describes tenant and private-mailbox access as remaining in scope for customer-data queries. |
| Support | The pricing page lists community support, email support, and priority support, and says the Team plan requires a minimum of 10 paid seats. | The documentation lists [email protected] as the support contact. |
Coherence plans
- FreeFree
- Pro$29 a month
- Starter$12 a month
- Team$79 a month
Startup Mail plans
- All email features$1 a month
Pick Coherence if…
Coherence suits businesses managing relationships with customers, partners, vendors, and team members, including service jobs, client projects, and consulting engagements. Shared Inbox is aimed at teams that need shared ownership and organized handling of incoming conversations.
Pick Startup Mail if…
You want what its maker publishes above — check its page for the details.