Side by side

Sektra AI vs Startup Mail

Both stand on shared inbox software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Sektra AI

Free trial Web

Sektra AI combines shared inbox coordination, client context, assisted actions, and operational analytics in one web workspace. Its annual per-user plans and channel integrations should be weighed against the team’s mailbox and collaboration needs.

Visit Sektra AI

Startup Mail

Paid APIWeb

Startup Mail pairs a web inbox with developer access for custom-domain messaging. Check the monthly event allowance and the limits on forwarding and general mail protocols before adopting it.

Visit Startup Mail

The facts

	Sektra AI	Startup Mail
Free plan	A free trial	No
Open source	Not published	Not published
Runs on	Web	API, Web
Lowest paid plan	Standard: $29 a month	All email features: $1 a month
Plans published	3	1
Maker	Not published	Not published
Website	sektra.ai	startupmail.dev
On shared inbox software	#25 of 30	#29 of 30

Sektra AI: what it does well

Combines Gmail, Outlook, and WhatsApp conversations
Rule-based triage and assignment before opening
Client memory tracks commitments and questions
Assistant actions require confirmation
Analytics include workload and response percentiles

What to know first

No free plan
Web platform only
AI model usage depends on customer data policies
Email sending still requires a person

Startup Mail: what it does well

Inbox supports search, attachments, and delivery status.
Shared mailboxes grant explicit teammate access.
Forwarding supports Gmail and Outlook.
Developer access includes API keys, SDK, webhooks, and MCP.

What to know first

The plan allows 1,000 email events per month.
Higher-capacity self-service billing is unavailable.
Forwarding does not sync folders, labels, or read state.
General IMAP, POP, Exchange, and SMTP accounts are not provided.

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