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Instead of GlockApps

GlockApps alternatives

GlockApps is built for teams that need to check email placement before sending and monitor the systems behind delivery. Inbox Insight shows whether messages reach inboxes, spam folders, or subfolders across providers, while spam-filter checks, content analysis, reputation monitoring, DMARC Analytics, and Uptime Monitor cover several troubleshooting layers. Its API supports automated testing on every plan, including Free, and mailbox connections include major providers and sending platforms. Pricing starts at $59 per month, with a free plan and trial; platforms are web and API.

1. 1

   EasyDMARC

   Free plan APIWeb

   Email trust, DNS control, and broad security monitoring — EasyDMARC adds managed DNS, BIMI, propagation checks, rollback, and broader threat intelligence beyond GlockApps's testing and monitoring.

   7.3 Free plan · paid from $35.99/mo (annual) Visit site
2. 2

   Folderly

   Free plan APIWeb

   B2B teams drafting campaigns with deliverability checks — Folderly combines AI campaign drafting with placement monitoring, real-time alerts, previews, and provider testing, while GlockApps emphasizes broader infrastructure monitoring.

   7.3 From $96/mo (annual) Visit site
3. 3

   Postmark

   by Postmark

   Free plan APIWeb

   Transactional email delivery with a dedicated IP option — Postmark provides email sending with a dedicated IP option and a 10,000 monthly send limit; GlockApps focuses on testing and monitoring rather than sending.

   6.9 Free plan · paid from $15/mo Visit site
4. 4

   DMARC Report

   Free plan AndroidAPIiPhone+1

   DMARC enforcement and forensic message analysis — DMARC Report centers on aggregate and forensic DMARC dashboards, per-message failures, AI analysis, and Slack or webhook alerts.

   7.6 Free plan · paid from $25/mo · 30-day trial Visit site
5. 5 M

   Microsoft SNDS

   Free plan Web

   Outlook.com reputation and IP feedback data — Microsoft SNDS supplies Outlook.com-specific IP health data, junk reports, and feedback-loop settings, unlike GlockApps's multi-provider testing.

   6.9 Free plan Visit site
6. 6 S

   Suped

   Free plan Web

   Hosted authentication and low-cost DMARC monitoring — Suped adds hosted DMARC, SPF, DKIM, and MTA-STS, SPF flattening, BIMI hosting, and blocklist alerts at a lower paid starting price.

   6.7 Free plan · paid from $19/mo (annual) Visit site
7. 7 T

   TrueSend

   Free plan APIWeb

   Campaigns, automation, analytics, and deliverability together — TrueSend combines campaign editing, automation, revenue analytics, sending APIs, and deliverability controls; GlockApps concentrates on testing and monitoring.

   6.8 Free plan Visit site
8. 8

   dmarcian

   Free plan APIExtensionWeb
   7.6 Free plan · 30-day trial Visit site
9. 9

   Fraudmarc

   Free plan Self-hostedWeb
   7.2 Free plan · paid from $2/mo Visit site
10. 10

    Mailreach

    Free plan APIWeb
    7.1 Free plan · paid from $19.50/mo Visit site
11. 11 M

    Mail-Tester

    Free plan APIWeb
    7.1 Free plan · paid from $10/mo Visit site
12. 12

    MxToolbox Inbox Placement

    Free plan APIWeb
    7.0 From $129/mo Visit site
13. 13

    Sendmarc

    Free plan APIExtensionWeb
    7.0 Pricing on request Visit site
14. 14

    Warmforge

    Free plan APIMacWeb+1
    7.0 From $10/mo Visit site
15. 15

    Unspam.email

    Free plan APIWeb
    6.8 Free plan · pricing on request Visit site
16. 16

    SenderSignal

    Free plan Web
    6.7 Free plan · paid from $49/mo · 30-day trial Visit site
17. 17 V

    Valimail Monitor

    Free plan Web
    6.5 Free plan Visit site
18. 18 D

    DMARCLY

    Free trial APIWeb
    6.3 From $17.99/mo · 14-day trial Visit site
19. 19 I

    InboxAlly

    Free trial APIWeb
    6.1 10-day trial Visit site
20. 20

    InboxSys

    Free trial APIWeb
    6.0 From €225 · 14-day trial Visit site
21. 21

    MailMonitor

    Free trial APIWeb
    6.0 From $1,000/mo (annual) · 5-day trial Visit site
22. 22

    InboxEagle

    Free trial Web
    5.9 From $39/mo · 14-day trial Visit site
23. 23

    Palisade

    Free trial APIWeb
    5.9 Free plan · paid from $19/mo · 15-day trial Visit site
24. 24

    Red Sift OnDMARC

    Free trial APIWeb
    5.8 From $9/mo (annual) · 14-day trial Visit site

Readers may still look elsewhere for a lower paid starting point, broader DNS administration, campaign creation, authentication-focused reporting, or a service centered on one mailbox ecosystem. Compare which checks you need, how much sending or monitoring capacity is included, the provider coverage, integration and API requirements, and whether you need campaign execution alongside deliverability controls. Also weigh free-tier scope, alerting, collaboration, and specialized capabilities such as hosted authentication, forensic DMARC detail, or Outlook.com reputation data before switching.

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