⚡Stack Radar

Email Deliverability Tools · Reviewed 27 Oct 2026

GlockApps

Email deliverability testing and analytics platform for marketers and agencies.

from $59 · free tier · glockapps.com ↗

Paid against free › Email Deliverability Tools › GlockApps

GlockApps at a glance
88.6KEstimated total trafficModeled monthly visits5.9KRanking keywordsPublic search sample95/100Technical health15 pages checked3.5KReferring domainsLive backlink summary

Overview

01

Summary

The useful answer before the supporting detail.

GlockApps is a web-based email deliverability and inbox placement testing platform S1. It is used by email marketers, agencies, and e-commerce businesses to test whether emails land in the inbox or spam folder across major ISPs S1. The platform provides diagnostics and actionable recommendations to resolve deliverability issues S1, helping users improve campaign performance and avoid spam filters S1.

02

Product identity and positioning

Name, category, positioning, audience, and first-party claims.

  • Identity: GlockApps is an email deliverability and inbox placement testing tool S1.
  • Core purpose: It helps users test and improve email deliverability across global providers S1.
  • Intended users: Email marketers, agencies, and e-commerce businesses S1.
  • Product scope: A web-based platform with spam testing, reputation monitoring, and analytics S1.
  • Positioning: Positioned as "The Most Comprehensive Email Deliverability Platform" S1.
  • Claimed distinction: Provides in-depth diagnostics to pinpoint exact causes and specific actions S1.
03

Use cases and audiences

Who the product serves and the jobs it is designed to handle.

AudiencePractical use case
Email marketersTest email deliverability before launch to ensure campaigns reach the inbox S1.
E-commerce businessesDiagnose and resolve severe deliverability issues affecting customer communications S1.
Digital marketing agenciesMonitor client domain reputation and improve inbox placement at scale S1.
Cold email agenciesDetect and act on burnt or underperforming mailboxes faster S1.
B2B/SaaS companiesOptimize lead generation by ensuring sales emails land in the inbox S1.

Features

09

Features and capabilities

Core functions and evidence-backed product capabilities.

CapabilityWhat it does
Inbox Placement TestingTest email deliverability across all major ISPs to see if emails land in inbox or spam S1.
Spam CheckerFree spam checker available without an account S1.
Reputation MonitoringMonitor domain and IP reputation against 50+ industry blocklists S1.
Real-time AlertsSet up alerts for instant notifications to switch mailboxes or direct inactive ones to warm-up services S1.
Diagnostics and TroubleshootingGet warnings and troubleshooting tips to improve deliverability and adapt strategy S1.
DMARC AnalyticsReview SPF, DKIM, DMARC, rDNS, and HELO records S47.
Email Content AnalysisAnalyze email content: link health, message and image size, HTML/CSS rendering support S47.
10

Integrations and ecosystem

Connected products, exports, APIs, and workflow compatibility.

Integration or interfaceTypeWhat it enables
GlockApps APIAPIProvides full REST API access (GET and POST) on every plan, including free, to automate spam tests and retrieve deliverability data S47.
AI Assistants (ChatGPT, AI model, AI model)AI interfaceAllows AI assistants to run spam tests, pull deliverability data, and analyze reports via the API S47.
Google Postmaster ToolsIntegrationConnects to Google Postmaster to view domain reputation metrics within GlockApps S157.
Internal Tools and ScriptsAPIEnables integration with internal tools, scripts, dashboards, or automation platforms S47.

Pricing

11

Pricing and plans

Published plans, free access, trials, credits, and pricing limitations.

Plan or offerVerified price and billingIncludedLimits
Free$0 S412 spam test credits S4110,000 DMARC messages; 1 user S41
Essential$59 per month, billed annually ($708 paid annually) S41360 spam test credits S41600,000 DMARC messages; 10 IP reputation monitors; 1 user S41
Growth$99 per month, billed annually ($1,188 paid annually) S411,080 spam test credits S411,200,000 DMARC messages; 20 IP reputation monitors; 5 users S41
Enterprise$129 per month, billed annually ($1,548 paid annually) S411,800 spam test credits S4112,000,000 DMARC messages; 25 IP reputation monitors; 10 users S41
CustomContact sales S41Not establishedBuilt to order S41
Spam Test Credit Packs$7.5 / 100,000 Messages S41Not establishedNot established
Spam Test Credit Packs$5 / 100,000 Messages S41Not establishedNot established
Spam Test Credit Packs$2 / 100,000 Messages S41Not establishedNot established

Competition

12

Competitive landscape

Domains competing for the same organic search demand.

Sampled competitors

CompetitorFirst-page appearancesSampled queriesAverage positionQueries observed
mailpro.com215.5dmarc stand for
airit.co.uk111dmarc stand for
trustpilot.com112glockapps
superhumanprospecting.com112dmarc stand for
facebook.com113glockapps
mailreach.co114glockapps
quora.com114dmarc stand for
reddit.com115glockapps
lemwarm.com115dmarc stand for
cloudways.com116dmarc stand for

Website intelligence — Collected evidence

Customers, testimonials, and first-party review claims

No supporting public-page evidence was collected for this category.

Independent review sources discovered

No links to supported independent review platforms were discovered on the collected pages.

14

AI visibility

Measured ChatGPT and Google AI mentions with cited sources.

AI-assistant referral traffic

  • Estimated current generative-AI referral share: 5.3%
MonthSource
—All AI assistants
—All AI assistants
—All AI assistants

Website intelligence — Collected evidence

Site-stated AI capabilities

Page typeEvidenceSource
integrationsAutomate Email Deliverability Testing Inside Your Favorite AI Assistanthttps://glockapps.com/api-documentation-v2/
integrations2\. Give it to your AI assistant.https://glockapps.com/api-documentation-v2/
integrationsPaste your API key and a link to the GlockApps API documentation directly into your custom GPT/Gemini Gem setting, Claude connector, or another AI tool chat window. Modern AI assistants can understand the documentation and generate the required API requests for you.https://glockapps.com/api-documentation-v2/
integrationsYour AI assistant handles the API call and hands you the answer.https://glockapps.com/api-documentation-v2/
integrationsPower Your AI Assistant with Real Deliverability Datahttps://glockapps.com/api-documentation-v2/
integrationsStop copying and pasting spam test reports into chat prompts. Plug the GlockApps API directly into your AI tools and let them retrieve live data on command:https://glockapps.com/api-documentation-v2/
integrations· Works with any AI assistant that can read documentation and make API calls: ChatGPT, Claude, Gemini, Perplexity, or your own automationhttps://glockapps.com/api-documentation-v2/
integrations· Let AI turn all of it into a plain-language summary and a prioritized fix list instead of you reading raw report datahttps://glockapps.com/api-documentation-v2/
integrationsGive Your AI Live Data: Skip the copied reports, connect your AI assistant to real-time deliverability data.https://glockapps.com/api-documentation-v2/

These are first-party product claims, not independent measurements of AI-search visibility.

15

Marketing opportunities

Actions calculated directly from the collected evidence.

OpportunityRecommended actionEvidence
Competitor gapReview the sampled queries where mailpro.com appears.2 first-page appearances across dmarc stand for
Technical priorityMissing page titlehttps://glockapps.com/email-security-checker/

Website intelligence — Collected evidence

Website evidence gaps

  • features: no usable public page was collected; verify whether the site publishes this evidence.
  • customers: no usable public page was collected; verify whether the site publishes this evidence.
  • reviews: no usable public page was collected; verify whether the site publishes this evidence.
  • technical: no usable public page was collected; verify whether the site publishes this evidence.

Trust and proof

16

Customers, proof, and reviews

Published proof, customer signals, and review evidence.

Independent reviews

PlatformPageHow it was foundNote
TrustpilotGlockapps Reviews / Read Customer Service Reviews of glockapps.comGrounded web search## All reviews (11) 6 reviews in the last 12 months We perform checks on reviews 5-star 64% 9% 3-star 0% 2-star 0% 1-star 27% ... the card, they suspended the service, compromising the security we had set up to protect our sending
G2Compare GlockApps and Mailosaur Social Share OptionsGrounded web searchGlockApps(15)3.7 out of 5GlockApps ... - Users say that while GlockApps has a good entry-level price point with a free option, Mailosaur's starting price of $9.00 may be justified by its higher overall ratings and features, making it a worthwhile investment for serious email marketers. - Reviewers mention that GlockApps offers a variety of testing options, but Mailosaur's A/B testing capabilities are noted as particularly strong, which may be a deciding factor for users focused on optimizing the
SaleshandyGlockApps Review: Is It Worth The Price in 2026?Grounded web searchGlockApps has mixed reviews across G2, Capterra, and Trustpilot. - G2: 3.7/5 ⭐ - Capterra: 4.8/5 ⭐ - Trustpilot: 2.8/5 ⭐ One big red flag is that I didn’t see any reviews from 2026. Not even a single one.
outflo.ioGlockApps Review, Features & PricingGrounded web searchIndependent review-platform sentiment, not an Outflo rating: G2 (4.2/5 from 29 reviews) and Capterra (4.8/5 from 40) show positive feedback around deliverability visibility and diagnostics; some G2 comments mention a learning curve. Trustpilot has a small sample with mixed comments about insights, support, and billing, and differing displayed score labels, so no Trustpilot rating is quoted. A TrustRadius search surfaced competitors but no direct GlockApps review profile/rating. - G2 4.2/5(29 rev
rfp.wikiGlockApps · Time to Value: Setup & First Wins (2026)Grounded web search/ Source/Feature / Score & Rating / Details & Insights / / --- / --- / --- / / G2 / 3.7 / 15 reviews / / / 4.8 / 35 reviews / / Trustpilot / 2.8 / 3 reviews / / RFP.wiki Score / 3.3 / Review Sites Score Average: 3.8 Features Scores Average: 3.8 /
salesgear.ioGlockApps Review (2026): Features, Pricing, Alternatives / SalesgearGrounded web searchand why. It layers in DMARC analytics, IP and domain reputation monitoring, blocklist checks, and uptime monitoring. Reports are detailed with specific fixes. The G2-versus-Capterra gap reflects a tool that rewards technically comfortable users
sparkle.ioI Tested 11 GlockApps Alternatives (The Results Will Surely Change Your Mind)Grounded web searchAfter analyzing real GlockApps user reviews from our dataset of 1578 verified reviews across G2, Capterra, and Trustpilot, here are the most common reasons people switch: ... report being shocked by intrusive verification requests that go far beyond
connectsafely.aiBest GlockApps Alternative 2026: LinkedIn Inbound FirstGrounded web search- What it does: GlockApps is an email deliverability testing platform — inbox placement tests across 70+ seed inboxes (Gmail, Outlook, ... and uptime monitoring. - GlockApps's genuine strengths: Detailed, readable spam and blacklist reports, wide seed-

Customer proof

No named customers, testimonials, or customer case studies were found.

Independent mentions

  • GlockApps Pricing, Reviews, Pros & Cons (2026) — Reddit threads on r/coldemail consistently flag GlockApps' cost as a pain point for teams scaling across many domains (more context: email deliverability and email reputation tools). ... - Credits expire monthly with no rollover. Use them or lose them. - Per-credit cost punishes frequent
  • GlockApps: What the Five Filters Test and What It Costs — page publishes five filters: SpamAssassin, Barracuda, Microsoft Exchange Online Protection, Proofpoint and a Google filter. Its pricing page opens on an annual view at $59, $99 ... $129 a month, with a monthly view at $85, $142 and $185. The credit unit

External links were grounded in one live web search. Search snippets are leads, not independently scraped page content; rejected links remain available in Review evidence.

17

Company, security, and trust

Ownership, policies, security signals, and public trust evidence.

SignalFindingSource
Company and ownershipI would say another thing you could add is that GlockApps removed the guesswork. Our team implemented ideas that were good in theory, but the tool helped them to know whether they were actually effective. They saved a losource
Contact and supportNeed more information or have questions? Contact us at \ Event Contact Information\ .source
Legal and privacyCustomer Cancellation Emails in SaaS: Templates to Gather Feedback and Preserve Relationshipssource
Security and complianceEnhanced Security – Many email clients offer encryption, meaning your sensitive emails are better protected than on standard webmail services.source
Uptime and status pageNot published on the collected pages.—
Domain registered2015-05-22—
Domain expires2027-05-22—

Not found on the collected pages: uptime and status page. This only means Scout did not find it on the pages it read; it says nothing about the company itself.

18

Documentation and product updates

Help resources, product guidance, and visible changes over time.

Resource or updateTypeWhat is availableDate or freshness
How to Get to the Inbox in Outlook: Best Email Deliverability Practices and SolutionsGuideOutlook email deliverability issues: Learn to optimize content, control volume, engage Microsoft Support, test regularly, and more for successful inbox landing. (source)Not dated
How to Write the Perfect Product Launch Email (With Templates & Examples)GuideLearn how to craft powerful product launch emails with templates, examples, subject lines, and sequences to boost engagement and sales. (source)Not dated
GlockApps v2 API Documentation / GlockAppsAPI referenceCovers authentication, MCP setup. (source)Not dated
GlockApps Postmaster Tools V2 Integration GuideGuideConnect Google Postmaster Tools V2 to GlockApps to monitor spam rate, authentication, compliance, and delivery errors for your sending domains in one dashboard. (source)Not dated
How To Use GlockApps API: Step-by-Step Tutorial / GlockAppsGuideGuides, comparisons, pricing breakdowns, use cases, and how-to articles. (source)Not dated
Email Customer Journey: How to Map, Automate, and Optimize Your Email Marketing StrategyGuideGuides, comparisons, pricing breakdowns, use cases, and how-to articles. (source)Not dated
How to Respond to an Angry Customer: Email Examples & Tips / GlockAppsGuideLearn how to respond to angry customers, resolve issues with them, and end emails professionally with email response examples, tips, and templates. (source)Not dated
Re-Engagement in Email Marketing: How to Win Back Customers / GlockAppsGuideRe-engagement emails serve as effective tools for reconnecting with inactive subscribers. Use a customer retention strategy to reach new heights. (source)Not dated

Not found in the collected public sources: public roadmap, changelog or release notes, status page, separate help center or knowledge base.

Technical

19

Technical and delivery signals

Delivery model, platforms, API, data ownership, reliability claims and release activity.

SignalFindingSource
Delivery model (cloud, self-hosted, desktop, browser extension)Web-based platform accessed via browser S1.S1
Platforms and appsWeb platform S1.S1
API and extensibility (API, SDK, webhooks, MCP, plugins)Full REST API with GET and POST on all plans, including free S47.S47
Data ownership and exportNot published on the collected pages.—
Performance and reliability claimsNot published on the collected pages.—
Release activityGlockApps 2.0 announced for launch on Product Hunt S46.S46
20

Measured infrastructure

Domain, certificate, and hosting signals, measured directly.

SignalFinding
Domain registered2015-05-22 — Name.com, Inc.
Domain expires2027-05-22
First archived2015-09-26 — web archive
TLS certificateAmazon, valid, expires 2027-02-03
Security headersHSTS, X-Content-Type-Options, Referrer-Policy
Headers not servedCSP, X-Frame-Options
Mail handled bysmtp.google.com
Nameserversns-1765.awsdns-28.co.uk, ns-314.awsdns-39.com

Not measurable: rdap: exceeded the overall budget; wayback: exceeded the overall budget; tls: exceeded the overall budget; dns: exceeded the overall budget; headers: exceeded the overall budget. A gap here means the lookup was unavailable, not that the finding is negative.

21

Technical site audit

A bounded multi-page crawl with page-level issues and URLs.

Scout — Bounded technical crawl

  • Pages crawled: 15 of 15 maximum
  • Technical health: 95/100
  • Critical issues: 1
  • Warnings: 7
  • Notices: 12

Issues

SeverityIssueValueAffected URL
noticeMeta description length should be reviewed181https://glockapps.com/
noticeImages are missing alt text3https://glockapps.com/
noticeImages are missing alt text1https://glockapps.com/spam-testing/
warningSlow HTML response3378https://glockapps.com/spam-testing/
noticeMeta description length should be reviewed206https://glockapps.com/dmarc-analyzer/
noticeImages are missing alt text2https://glockapps.com/dmarc-analyzer/
noticeImages are missing alt text6https://glockapps.com/uptime-blacklist-monitor/
warningTitle length should be reviewed71https://glockapps.com/email-deliverability-consulting/
noticeMeta description length should be reviewed186https://glockapps.com/inbox-email-tester/
noticeImages are missing alt text1https://glockapps.com/inbox-email-tester/
warningTitle length should be reviewed68https://glockapps.com/domain-checker/
noticeMeta description length should be reviewed178https://glockapps.com/domain-checker/
criticalMissing page title—https://glockapps.com/email-security-checker/
warningMissing meta description—https://glockapps.com/email-security-checker/
warningTitle length should be reviewed73https://glockapps.com/dkim-record-checker/
noticeMeta description length should be reviewed173https://glockapps.com/dkim-record-checker/
warningTitle length should be reviewed66https://glockapps.com/txt-record-checker/
noticeMeta description length should be reviewed174https://glockapps.com/txt-record-checker/
warningTitle length should be reviewed69https://glockapps.com/bimi-record-checker/
noticeImages are missing alt text6https://glockapps.com/mygappie/

Crawled pages

StatusTitleH1sWordsResponseURL
200Email Deliverability & Inbox Placement Testing Tool \GlockApps11642440 ms
200Email Spam Tester \Get Your Inbox Insight117043,378 ms
200DMARC Analyzer - Free DMARC Tester Tool - DMARC Reports Analysis11293346 mshttps://glockapps.com/dmarc-analyzer/
200Uptime Monitor & Blacklist Monitoring Software1852217 mshttps://glockapps.com/uptime-blacklist-monitor/
200Email Deliverability Consulting \GlockApps Email Deliverability Expert11054224 ms
200Free Spam Checker - Free Email Tester Tool \GlockApps1729295 ms
200Domain Checker Tool – Lookup and Verify Your Domain Records for Free1412227 mshttps://glockapps.com/domain-checker/
200Missing title1279166 mshttps://glockapps.com/email-security-checker/
200SPF Checker Tool - Lookup and Validate Your SPF Record for Errors1570231 mshttps://glockapps.com/spf-record-checker/
200DMARC Checker Tool - Lookup Your DMARC Record1452240 mshttps://glockapps.com/dmarc-record-checker/
200DKIM Checker Tool - Lookup Your DKIM Record, Identify Issues and Fix Them1588223 mshttps://glockapps.com/dkim-record-checker/
200Free MX Record Checker Tool – Lookup Your MX Records1448216 mshttps://glockapps.com/mx-record-checker/
200TXT Checker Tool – Lookup and Verify Your DNS TXT Record Instantly1546210 mshttps://glockapps.com/txt-record-checker/
200Free BIMI Checker Tool – Lookup and Validate Your BIMI Logo Instantly1859127 mshttps://glockapps.com/bimi-record-checker/
200Gappie - Your Email Inbox Expert \GlockApps1465213 ms

This is a bounded Scout crawl. Core Web Vitals and Lighthouse scores are not claimed unless a dedicated performance audit is connected.

22

Search Console and Analytics

First-party search and behavioral data connection state.

Modeled acquisition channels

ChannelEstimated share
direct49.3%
search27.5%
search organic27.0%
search paid0.5%
social0.6%
social organic0.6%
social paid0.0%
referrals12.8%
paid referrals0.4%
mail4.1%
gen ai5.3%
affiliate0.0%
other0.0%

First-party connections

IntegrationStatusData available after connection
Google Search ConsoleNot connectedClicks, impressions, CTR, average position, queries, pages, countries, and devices
Google AnalyticsNot connectedOrganic sessions, engagement, landing pages, conversions, geography, and devices

No first-party Search Console or Analytics numbers are shown until the site owner authorizes the corresponding Google account. Scout traffic model values above are modeled estimates, not private analytics totals.

Limits and method

23

Limitations and open questions

Known constraints and missing evidence from the collected pages.

The collected pages do not mention any competitors by name. Evidence gaps include lack of published company ownership, contact details, legal/privacy policies, security certifications, uptime status, and data export options. Pricing details for custom plans and credit packs are incomplete. Customer testimonials are self-reported and not independently verified.

24

Sources, method, and limitations

Evidence inventory, collection method, provider use, and constraints.

This report is based on 15 collected pages from glockapps.com, including the homepage, pricing page, API documentation, integration guides, and blog posts. Data was gathered via static and browser rendering rendering. External proof search was performed but no external review profiles were scraped. Limitations: some pages were not fully captured, and customer testimonials are from the vendor's site.

Paid against free, in your inbox

One job at a time: the paid tools worth paying for, the free ones you can run yourself, and who should pick which.

No tracking pixels. One click to leave. We use your address to send Stack Radar and nothing else. Privacy.