What GlockApps is
GlockApps tests where your email lands across providers such as Gmail, Outlook and Yahoo. Its Inbox Insight tool gives spam scores, blocklist checks and fix steps.
It also offers a DMARC analyzer for SPF, DKIM and DMARC setup, an uptime monitor, and a Postmaster integration that stores Google Postmaster data longer than Google does.
There is a free spam checker without an account and free record checkers.
Who it is for
GlockApps is compatible with all ESPs and email marketing tools. Its users include agency founders, email specialists, marketing heads, e-commerce teams, DevOps engineers and sales development reps.
A newsletter operator who wants to check inbox placement before a send, or watch sender setup over time, would use it. It has client projects and folders, PDF export and white-label reports, which suit agencies.
What you can do with it
Inbox Insight tests spam placement across major providers. It gives spam scores from Google, Barracuda and SpamAssassin, and checks message size, images, links and HTML.
Reputation monitoring checks sending IPs and domains against 50+ blocklists and shows Sender Score and DKIM alignment. The DMARC Analyzer watches SPF, DKIM and DMARC every two hours.
GlockApps also has an Uptime Monitor, a Google Postmaster Tool connection that keeps data longer, and one-hour consultations with a deliverability consultant. Free tools include a spam checker and domain, SPF, DKIM, DMARC, MX, TXT and BIMI checkers.
Plans and pricing
There are four plans: Free, Essential, Growth and Enterprise, plus a custom option for large enterprises. Monthly prices are $0, $59, $99 and $129.
Spam test credits are 2 on Free, 360 on Essential, 1,080 on Growth and 1,800 on Enterprise. DMARC messages are 10,000, 600,000, 1,200,000 and 12,000,000. Higher plans add uptime monitors, IP reputation monitors and Postmaster Tool users.
Plans are offered monthly or yearly, with a yearly saving. Taxes may apply.
What it works with
It works with SparkPost, Mailgun, SendGrid, Telegram, Slack, Return Path, SpamAssassin and AWS. It is compatible with all ESPs and email marketing tools.
There is a public API with documentation. Google Postmaster Tool is connected for alerts, longer data storage and trend charts.
Things to know before you choose
Spam testing is paid by credits, and the Free plan includes 2 tests. Whether the Free plan is limited in time is not published.
The Uptime Monitor offers up to 20 monitors free for 14 days, and monitors are also included per plan.
DMARC overage is $7.50, $5 and $2 per 100,000 messages, and which plans these apply to is not published. Which plans include API access is also not published.
At a glance
From the company's own pages. Prices and plans change, so confirm on their site.
- What it does
- Inbox placement and spam testing, DMARC, SPF and DKIM monitoring, blocklist checks, uptime monitoring and Google Postmaster alerts.
- Used for
- Checking that a newsletter reaches the inbox before sending, and watching sender reputation.
- Free plan
- Yes. There is a Free plan at $0 with 2 spam tests and 10,000 DMARC messages.
- Starting price
- Essential: $59 a month ($708 a year billed annually).
- How it charges
- Monthly plans with a set number of spam test credits and DMARC messages. Essential has 360 test credits, Growth 1,080, Enterprise 1,800.
- Works with
- SparkPost, Mailgun, SendGrid, Telegram, Slack, Return Path, SpamAssassin and AWS, and an API.
- Key features
- Inbox Insight spam tests, blocklist checks on 50+ lists, Sender Score, DMARC Analyzer, Uptime Monitor, Postmaster integration, white-label reports and a public API.
- Plans
- Free with 2 spam tests, Essential at $59 a month, Growth at $99 a month, Enterprise at $129 a month, and a custom option for large enterprises.
- Support
- A help center, a contact support form, email at support@glock-apps.com, a US phone line, tutorials, a glossary and paid consulting.
- Company
- It has operated for more than 15 years. The CEO is Alex Arnaut, and copyright is held by Deluxe Custom Apps LLC.
- Last checked
- October 10, 2026
Questions operators ask about GlockApps
Is there a free way to test my newsletter?
Yes. You get two free tests on signup with no card, plus a free spam checker that needs no account.
What does it check?
Inbox Insight shows inbox, spam or blocked results at providers such as Gmail, Outlook and Yahoo, spam scores, and checks against 50+ blocklists.
How much does it cost?
Free is $0, Essential is $59 a month, Growth is $99 a month and Enterprise is $129 a month.
Does it help with DMARC?
Yes. The DMARC Analyzer monitors DMARC, SPF and DKIM setup and sends alerts. The Free plan includes 10,000 DMARC messages a month.
Does GlockApps work with any sending platform?
It is compatible with all ESPs and email marketing tools. It works with SparkPost, Mailgun, SendGrid and AWS, and offers a public API.
Can I get help from a person?
Yes. GlockApps has a help center, a support form, email and a US phone line. It also sells one-hour consultations with a deliverability consultant.
Can I use it for client work?
Yes. It has client management by projects and folders, PDF export and white-label reports.