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Head-to-head · Email Testing Software

GlockApps vs Emailens

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score GlockApps #3 in Email Testing Software 8.5/10 Free plan Free plan✓ 1 of 5 features Visit GlockApps
Emailens #8 in Email Testing Software 7.7/10 Free plan Free plan✓ 5 of 5 features Visit Emailens

GlockApps leads on 0 checks, Emailens on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGlockApps · 8.5/10
  • Free planboth
  • Most featuresEmailens · 5 of 5

GlockApps scores higher on our rubric for email testing software: 8.5 against 7.7 out of 10; our editors rank them #3 and #8.

GlockApps is the better fit for deliverability monitoring and sender reputation. Emailens is the better fit for budget-conscious developers and email teams.

  • GlockApps fits best

    Deliverability monitoring and sender reputation

  • Emailens fits best

    Budget-conscious developers and email teams

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature GlockApps 8.5/10 Visit ↗ Emailens 7.7/10 Visit ↗
At a glance
Editor score 8.5 7.7
Ranking #3 in Email Testing Software #8 in Email Testing Software
Best for Deliverability monitoring and sender reputation Budget-conscious developers and email teams
Pricing model Free plan + paid Free plan + paid
Starting price $59/mo $90/yr
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud, Self-hosted, Browser extension
Platforms Web Web, Chrome extension
Support Email, Live chat, Phone, Docs Email, Docs
Integrations 7 integrations 10 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features GlockApps 1/5 · Emailens 5/5
Spam checks Not checked yet ✓ (best)
Accessibility checks Not checked yet ✓ (best)
Link checks Not checked yet ✓ (best)
Inbox testing Not checked yet ✓ (best)
API access ✓ ✓
Specs
Email clients Not checked yet 21 clients
Device coverage Not checked yet Both
Our review
Pros
  • Tests inbox placement across major mailbox providers
  • Monitors SPF, DKIM, DMARC, reputation, and blocklists
  • Includes automated alerts, integrations, and REST API access
  • Free plan includes previews across all 21 email clients.
  • Checks CSS, dark mode, spam signals, links, and accessibility.
  • REST API, CLI, GitHub Actions, MCP, and AI workflows support automation.
Cons
  • Free Inbox Insight access provides two credits
  • Uptime Monitor has a separate 14-day trial
  • Paid plans start at $59 per month before applicable VAT or tax
  • Client coverage is limited to 21 email clients.
  • Advanced CI/CD and unlimited simulated previews require Pro.
  • The free plan lacks full API access, CLI, and Visual Diff.
Our verdict

GlockApps is an email deliverability platform for marketers, agencies, and businesses that need to understand how messages reach recipient inboxes. It tests inbox placement across major mailbox providers, evaluates spam-filter scores,…

Read the review →

Emailens is an email quality-assurance tool for developers and email teams that need to review HTML emails before delivery. It previews messages across 21 email clients, reports CSS compatibility, simulates dark mode, and provides…

Read the review →
  1. GlockAppsEmail Testing Software 8.5Free plan
  2. EmailensEmail Testing Software 7.7Free plan

Strengths and trade-offs

  • GlockApps — where it wins

    • Tests inbox placement across major mailbox providers
    • Monitors SPF, DKIM, DMARC, reputation, and blocklists
    • Includes automated alerts, integrations, and REST API access

    Where it doesn't

    • Free Inbox Insight access provides two credits
    • Uptime Monitor has a separate 14-day trial
    • Paid plans start at $59 per month before applicable VAT or tax

  • Emailens — where it wins

    • Free plan includes previews across all 21 email clients.
    • Checks CSS, dark mode, spam signals, links, and accessibility.
    • REST API, CLI, GitHub Actions, MCP, and AI workflows support automation.

    Where it doesn't

    • Client coverage is limited to 21 email clients.
    • Advanced CI/CD and unlimited simulated previews require Pro.
    • The free plan lacks full API access, CLI, and Visual Diff.

More comparisons

All email testing software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update