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Head-to-head · Email Signature Software

Exclaimer vs CodeTwo Email Signatures 365

  • Updated Nov 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Exclaimer #1 in Email Signature Software 9.4/10 14-day trial Free trial✓ 4 of 4 features Visit Exclaimer
CodeTwo Email Signatures 365 #4 in Email Signature Software 9.0/10 14-day trial Free trial✓ 3 of 4 features Visit CodeTwo

Exclaimer leads on 1 check, CodeTwo Email Signatures 365 on 0, and 5 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 scoreExclaimer · 9.4/10
  • Lowest starting priceExclaimer · $0.90/user/mo
  • Free trialboth
  • Most featuresExclaimer · 4 of 4

Exclaimer scores higher on our rubric for email signature software: 9.4 against 9.0 out of 10; our editors rank them #1 and #4.

Exclaimer is cheaper to start at $0.90/user/mo against $1.22/user/mo.

Exclaimer is the better fit for large organizations needing mature governance. CodeTwo Email Signatures 365 is the better fit for microsoft 365 organizations.

  • Exclaimer fits best

    Large organizations needing mature governance

  • CodeTwo Email Signatures 365 fits best

    Microsoft 365 organizations

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Side by side

Feature Exclaimer 9.4/10 Visit ↗ CodeTwo Email Signatures 365 9.0/10 Visit ↗
At a glance
Editor score 9.4 9.0
Ranking #1 in Email Signature Software #4 in Email Signature Software
Best for Large organizations needing mature governance Microsoft 365 organizations
Pricing model Paid Paid
Starting price $0.90/user/mo (best) $1.22/user/mo
Free plan — —
Free trial 14 days 14 days
Free trial length 14 days · no card needed 14 days
Deployment Cloud, Desktop, Mobile Cloud, Desktop, Mobile
Platforms Web, Windows, iOS, Android Web, Windows, macOS, iOS, Android
Integrations 20 integrations 3 integrations
Features Exclaimer 4/4 · CodeTwo Email Signatures 365 3/4
Directory sync ✓ ✓
Automatic updates ✓ ✓
Signature analytics ✓ ✓
API access ✓ (best) Not checked yet
Specs
Email platforms Microsoft_365 Microsoft_365
Deployment method Hybrid Hybrid
Our review
Pros
  • Server-side, client-side, and hybrid deployment options
  • Targeting rules, campaigns, scheduling, and engagement analytics
  • Wide directory, HRIS, CRM, and email-platform integrations
  • Rule-based targeting by sender, recipient, group, language, or attributes
  • Server-side, Outlook, and combo deployment options
  • Signatures, banners, surveys, and automatic replies in one service
Cons
  • No free plan is available
  • Annual starting prices require paid commitment
  • Enterprise pricing is custom rather than publicly listed
  • Annual and monthly plans require a minimum of 10 licenses
  • There is no free plan
  • Its strongest fit is Microsoft 365 rather than broader email platforms
Our verdict

Exclaimer centralizes email signature management for organizations using Microsoft 365, Google Workspace, or Microsoft Exchange. It supports server-side, client-side, and hybrid deployment, with signatures applied across desktop, web,…

Read the review →

CodeTwo Email Signatures 365 is a cloud-based service for Microsoft 365 organizations that centrally manages email signatures, legal disclaimers, banners, automatic replies, and email marketing campaigns. Administrators create HTML/WYSIWYG…

Read the review →
  1. ExclaimerEmail Signature Software 9.414-day trial
  2. CodeTwo Email Signatures 365Email Signature Software 9.014-day trial

Strengths and trade-offs

  • Exclaimer — where it wins

    • Server-side, client-side, and hybrid deployment options
    • Targeting rules, campaigns, scheduling, and engagement analytics
    • Wide directory, HRIS, CRM, and email-platform integrations

    Where it doesn't

    • No free plan is available
    • Annual starting prices require paid commitment
    • Enterprise pricing is custom rather than publicly listed
  • CodeTwo Email Signatures 365 — where it wins

    • Rule-based targeting by sender, recipient, group, language, or attributes
    • Server-side, Outlook, and combo deployment options
    • Signatures, banners, surveys, and automatic replies in one service

    Where it doesn't

    • Annual and monthly plans require a minimum of 10 licenses
    • There is no free plan
    • Its strongest fit is Microsoft 365 rather than broader email platforms
  • Exclaimer9.4/10 · 14-day trial

    A mature choice for governed, multi-team email signature management.

    Visit ExclaimerFull verdict →
  • CodeTwo Email Signatures 3659.0/10 · 14-day trial

    A focused Microsoft 365 service for signatures, disclaimers, campaigns, and automatic replies.

    Visit CodeTwoFull verdict →

Exclaimer vs CodeTwo Email Signatures 365: questions

Which is better for email signature software, Exclaimer or CodeTwo Email Signatures 365?

Exclaimer scores higher on our rubric for email signature software: 9.4 against 9.0 out of 10; our editors rank them #1 and #4.

How do Exclaimer and CodeTwo Email Signatures 365 compare?

Of the 6 checks we put side by side, Exclaimer leads on 1, CodeTwo Email Signatures 365 on none, and 5 are level. Exclaimer costs less: $0.90/user/mo vs $1.22/user/mo.

Which costs less, Exclaimer or CodeTwo Email Signatures 365?

Exclaimer costs less: $0.90/user/mo vs $1.22/user/mo.

Do Exclaimer and CodeTwo Email Signatures 365 have a free plan?

Exclaimer: No. CodeTwo Email Signatures 365: No.

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update