Letterwell is a platform to buy and sell advertising space in newsletter emails.We provide a secure, thoroughly vetted marketplace to connect advertisers with newsletter owners.
Find, contact, and close companies who are actively advertising in newsletters through Open Rates real-time database of 10,000+ sponsors
Price Comparison
Feature Comparison
Letterwell and Open Rates both have great feature sets so the right tool for you really depends on your needs.
| Features | Letterwell | Open Rates |
|---|---|---|
| 🏪 Marketplace List your newsletter to connect with sponsors | ❌ | |
| 💻 Programmatic Ads Automatically add advertisers | ❌ | |
| 📁 Sponsorship Management Manage your ad slots and inventory | ❌ | |
| 📑 Market Research Find potential sponsors and contact them | ✅ |
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