GlockApps vs smtp4dev
GlockApps
glockapps.comsmtp4dev
github.comSide by side
| Figure | GlockApps | smtp4dev |
|---|---|---|
| Price from | $59/mo | — |
| Free plan | Yes | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 4 | 0 |
| Spec score · Email Testing Software | 9.0 (#2) | 7.2 (#23) |
| API | The API supports automated testing, programmatic result retrieval, and client management by projects and folders, and the page says it is available on all plans including free. | The project provides an OpenAPI/Swagger API. |
| Purpose | GlockApps provides tools to test and monitor email deliverability and troubleshoot placement problems before emails are sent. | smtp4dev is a fake SMTP server for development and testing, letting developers test email without sending it to real customers. |
Plans
In their own words
GlockApps
GlockApps helps marketers and businesses check email deliverability and investigate placement problems before sending campaigns. Inbox Insight shows whether test messages reach inboxes, spam folders, or subfolders at different providers, and checks them against SpamAssassin, Barracuda, Microsoft Exchange Online Protection, Proofpoint, and a Google filter. Reputation tools check IPs and domains against blocklists and report sender scores and placement by IP. Content analysis covers message size, images, and links, with an HTML compatibility checker. DMARC Analytics collects reports, tracks sending sources, and retains reports for a year. Uptime Monitor checks IPs, SPF, DKIM, DMARC, HTTP, TLS, and TCP, with checks configurable as often as every minute. The API supports automated testing, result retrieval, and client management by projects and folders on all plans, including free. GlockApps runs on the web and through an API. Its free plan includes two spam test credits; paid plans start at $59 a month, billed annually at $708.