About Letterly

Letterly is a creator-first newsletter platform. Write with AI assistance (OpenAI GPT-4o for subject lines), manage subscribers, and send beautiful emails via MailStackOS or SendGrid. Features include campaign analytics, template editor, and Stripe integration for paid subscriptions.

Features

AI-assisted writing (OpenAI GPT-4o)
Subscriber management with import/export
Show all 6 features

Business Gold

$24/mo

Complete business operations suite: accounting, contracts, proposals, leads, newsletters.

LedgerFlow unlimited invoices and VAT filing
Inkly e-signatures and templates
QuoteForge client-facing proposals
FunnelFox CRM and pipeline management
Letterly unlimited subscribers

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