GlockApps
7.4#4 in email deliverability softwareFrom $59 a monthFree planWebAPI
VisitGlockApps vs InboxSys
What both publish
| Fact | GlockApps | InboxSys |
|---|---|---|
| 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 ESP plan includes API access, and InboxSys says its REST API can integrate with a customer's own software. |
| Content analysis | Content Analysis evaluates message size, images, links and HTML/CSS compatibility across email clients. | Content analysis includes link, image URL, text, and HTML version checks, plus improvement suggestions. |
| Purpose | GlockApps provides tools to test and monitor email deliverability and troubleshoot placement problems before emails are sent. | InboxSys helps users authenticate, analyze, and optimize email deliverability so messages land where they should. |
| Support | GlockApps lists a Help Center and step-by-step tutorials, and says its DMARC support specialists have more than 15 years of experience. | InboxSys says customers can contact support to test delivery to an ISP not already on their seedlist. |
GlockApps plans
- FreeFree
- Essential$59 a month
- Growth$99 a month
- Enterprise$129 a month
InboxSys plans
- Sender€795 a year
- DMARC monitor€1,500 a year
- Agency€3,495 a year
- Whitelabel€5,000 a year
- ESP€6,795 a year
Pick GlockApps if…
GlockApps suits marketers and businesses that want to check email placement before sending to subscribers and monitor sender authentication or reputation. Its API is available to users on the Free plan as well as paid plans.
Pick InboxSys if…
InboxSys suits email teams, agencies, ESPs, and large-volume senders monitoring placement, authentication, reputation, or multiple mailstreams. API access supports software integrations on the ESP plan.