Competitive email & SMS intelligence
See every email and text your competitors send.
BrandInbox captures marketing emails and SMS from retailers, brands, media publishers and newsletters in real seed inboxes, then turns them into a searchable competitor archive. Track send cadence, subject-line trends and inbox placement in one place, or query it from your AI assistant over MCP.
Illustrative example
How competitor email tracking works
We subscribe
Seed inboxes and phone numbers sign up for newsletters, retail lists and SMS programs across the brands you care about.
We capture
Every email and text is collected automatically, with send time, sender and where it landed: inbox, promotions or spam.
You analyze
Search the archive, compare brands, and spot patterns in timing, offers and subject lines.
Email marketing intelligence features
🔎 Searchable email & SMS archive
Full-text search across competitors' emails and texts by brand, keyword, date or offer.
📅 Send cadence & calendar
See how often each brand sends and when, laid out on a calendar.
📬 Inbox placement monitoring
Track whether messages land in the inbox, the promotions tab or spam.
📈 Subject-line trends
Spot recurring words, emoji, urgency and personalization patterns.
🔔 Alerts
Get notified when a competitor launches a sale, changes cadence or tries something new.
🤖 MCP for AI agents
Connect Claude, ChatGPT or Cursor to your archive through the BrandInbox MCP server.
Bring competitive intelligence into your AI assistant
BrandInbox offers an MCP (Model Context Protocol) server, so AI assistants and agents like Claude, ChatGPT and Cursor can work with your competitive data directly. Ask questions in plain language and let your assistant:
- Search the email and SMS archive by brand, keyword or date
- Pull a sender's send cadence
- Check inbox vs spam placement
Who BrandInbox is for
Brand marketers
Benchmark your email and SMS program against competitors and plan promotions with context.
Agencies
Bring competitive examples and trend data to every client pitch and review.
Email & CRM teams
Find inspiration, test ideas and keep an eye on deliverability across the market.
Simple pricing
Frequently asked questions
What is BrandInbox?
BrandInbox is a competitive email and SMS intelligence platform. It subscribes seed inboxes and phone numbers to brands' and newsletters' marketing programs, captures every message, and makes them searchable so you can study competitors' email marketing.
Which messages does BrandInbox capture?
Marketing emails and SMS text messages from retailers, brands, media outlets and newsletters, recorded with sender, send time and where each email landed.
How does inbox placement monitoring work?
Because messages arrive in real seed inboxes, BrandInbox records whether each email landed in the inbox, the promotions tab or spam, so you can compare deliverability across senders over time.
Can I use BrandInbox with AI assistants through MCP?
Yes. BrandInbox offers an MCP (Model Context Protocol) server, so AI assistants such as Claude, ChatGPT and Cursor can search the email and SMS archive, pull sender cadence and check inbox placement directly. Request MCP access from your BrandInbox account.
How much does BrandInbox cost?
The Starter plan is $10 per month and the Unlimited plan, with unlimited usage, is $49 per month.