Comparison
Sigmint vs Exclaimer
Exclaimer is a leading enterprise signature-management platform that applies signatures centrally through Microsoft 365, Google Workspace, or Exchange mail flow. Because signatures are injected server-side, they render consistently and stay under IT control across an entire organization. It's a per-user subscription that requires admin setup and integration with your mail system.
Try Sigmint free →The short answer
Only for individuals and small teams. Exclaimer applies signatures server-side across an entire organization’s mail flow — the most reliable approach for company-wide consistency, and worth its per-user subscription for IT-managed enterprises. Sigmint solves the single-person version of the problem: one Outlook-safe signature, built in the browser, $12 once at most.
Sigmint vs Exclaimer at a glance
Last verified: 2026-08-25
| Sigmint | Exclaimer | |
|---|---|---|
| Pricing model | Free, with an optional one-time $12 Pro unlock (lifetime — not a subscription) | Per-user annual subscription for organizations |
| What you’ll pay | $0 — or $12 once, ever | Scales with user count; enterprise contracts |
| Account required | None. There is no account to create | Yes — requires IT setup and mail-system integration |
| Branding on free tier | Small “Made with Sigmint” line on free signatures; removed with Pro | n/a — enterprise product |
| Where your data lives | Never leaves your browser — nothing is stored on our servers | Signatures applied server-side through your mail flow |
| Outlook approach | Bulletproof table HTML with inline styles, machine-checked on every deploy | Server-side injection — the gold standard for org-wide consistency |
| Support | Email the developer directly (hello@sigmint.app) — a human answers, not a ticket queue | Enterprise support plans, typically through your IT team |
| Refund policy | 14-day money-back guarantee, no questions asked | Per enterprise contract terms |
Pricing
A per-user recurring subscription for the whole org, versus Sigmint's one-time payment for an individual.
Best for
Built for IT-managed enterprises needing central control and compliance, while Sigmint is for individuals and small teams.
Outlook rendering
Exclaimer injects signatures server-side, the most reliable way to render consistently in Outlook, but it needs admin deployment; Sigmint gives you Outlook-ready copy-paste with no IT involvement.
Setup
Requires connecting to Microsoft 365 or Google and admin configuration, whereas Sigmint works instantly in the browser with no signup.
Data privacy
Signatures are managed and applied through Exclaimer's cloud service; Sigmint keeps everything client-side.
When Exclaimer is the better choice
- → You manage hundreds or thousands of mailboxes and need signatures enforced centrally for compliance.
- → You need signatures applied to mail sent from every device, including phones and shared mailboxes, without user action.
Support you can actually reach
Sigmint is a small tool, and that is a support feature: when you email hello@sigmint.app, the person who wrote the code reads it — there is no ticket tier, no chatbot maze, and no “business hours in another timezone”. If something doesn’t work, it gets fixed or you get your money back under the 14-day no-questions refund policy. With platform products, support quality usually depends on which plan you bought.
The verdict
Exclaimer is the right tool for organizations that need centralized, compliant, server-applied signatures at scale. Sigmint is for the individual who just needs one signature and doesn't want a managed platform.
Frequently asked questions
Is Sigmint an alternative to Exclaimer?
Only for individuals and small teams. Exclaimer applies signatures server-side across an entire organization’s mail flow — the most reliable approach for company-wide consistency, and worth its per-user subscription for IT-managed enterprises. Sigmint solves the single-person version of the problem: one Outlook-safe signature, built in the browser, $12 once at most.
What is the difference between server-side and copy-paste signatures?
Server-side tools like Exclaimer inject the signature as mail passes through the server, so it appears on every message from every device with no user setup — but they require admin access and per-user subscriptions. Copy-paste generators like Sigmint produce HTML you install once in each mail client, which takes two minutes and needs no IT involvement.
Is Exclaimer worth it for one person?
No — Exclaimer is priced per user on annual organizational contracts and requires integration with your company mail system. A single user gets the same visual result from a copy-paste generator: Sigmint produces the same table-based, Outlook-safe HTML for free, or $12 one-time with Pro.
More comparisons
Want the whole field in one place? Read the full roundup — or see how we verify that every template renders in Outlook, Gmail and Apple Mail.