We've compared 2 tools across pricing, features, ratings, and reviews to help you make an informed decision. No paid placements — just facts.
Compare different tools →| Feature |  OpenedOrNot Email Marketing |  ConvertKit Email Marketing |
|---|---|---|
| Rating | No reviews yet | No reviews yet |
| Pricing | — |
as of Sep 5, 2026 |
| Pricing Model | Unknown | Freemium |
| Free Plan | ||
| Free Trial | Yes | 14 days |
| API Available |
| Verified | Verified |
| Founded | — | 2013 |
| HQ | — | Boise, Idaho, United States |
| Team Size | Small Business, Mid-market | ~149 employees |
| Platforms | — | Web |
| Top Integrations | Gmail | ShopifyTeachableSquarespaceZapier+3 more |
| Key Features |
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| Description | OpenedOrNot is a free Gmail email-tracking browser extension (part of the 500apps suite) that tells senders the moment a recipient opens their message, using invisible pixel tracking to log opens, link clicks, read time, location, and device. It's aimed at sales teams, customer support reps, and freelancers who send outbound Gmail and want to know whether messages are actually being read. Its main differentiator is simplicity: green/grey read-receipt ticks and instant open notifications built directly into Gmail rather than a standalone analytics suite. | ConvertKit (now Kit) is the email marketing platform built for creators. Used by 500,000+ bloggers, podcasters, YouTubers, and course creators to grow their audience, sell digital products, and run automated email funnels. |
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