Exclaimer vs Opensense (2026): which should you pick?
As of Oct 24, 2026, we pick Exclaimer: it is first in our ranking of email signature tools, and it grades higher too, 2.6 against 2.2.
Checked Oct 23, 2026 · graded Oct 23, 2026 by ToolGPA
Exclaimer grades higher on value for money and the free plan. Opensense grades higher on features. They get the same grade on ease of use and platforms.
Price, platforms and features side by side. The table says where each price was read and when.
Exclaimer
Company-wide email signatures for Microsoft 365 and Google Workspace
Opensense
Enterprise email signatures with CRM-targeted banners and tracking
Which one is for you
Pick Exclaimer if
- Fits if your IT team runs Microsoft 365, Exchange or Google Workspace and wants signatures on every device
- Works for companies that need a legal disclaimer on every outgoing email
Look elsewhere if
- Not for you if you're one person or a tiny team, as licensing has a 10-user minimum
- Tight if you're on Starter, which allows one signature template for the whole company
- Pricey if you want engagement reports, HubSpot or Salesforce targeting or HR sync, which are Pro at $1.75 a user
- Skip it if you want a free plan, because there's only the 14-day trial
- Watch out: monthly billing is offered, but the pricing page only shows the yearly prices
Pick Opensense if
- Fits if you're a large organization that wants IT-controlled signatures on Microsoft 365, Google Workspace or Exchange
- Works for US government contractors on Microsoft's GCC High cloud
Look elsewhere if
- Not for you if you're a small company: every plan has a $500 monthly minimum
- Watch out: every plan also needs a service plan whose price isn't on the pricing page
- Skip it if you want to try it without a sales call, as trials go only to accounts qualified through a demo
- Pricey if you want email tracking too, which is a separate line of plans from $20 to $65 a user a month
- Watch out: GCC High costs $2 more a user a month, and account and deal-stage targeting need Complete at $5
How we grade them
| 2.6GPAExclaimerGood | 2.2GPAOpensenseFair | |
|---|---|---|
| Value for money | BStarter is $0.90 a user a month billed yearly, with a 10-user minimum, so the floor is $9 a month. One person pays that; a team of five pays $1.80 a head, inside this category's cheaper quarter at $2.00. Pro is $1.75 a user. | D$1 a user a month on paper, but every plan has a $500 monthly minimum plus a service plan with no published price. One person pays the same $500 a month, and a team of five at least $100 a head, deep in this category's dearest tenth; a success manager and 24/7 phone support are included. |
| Free plan and trial | CNo free plan, only a 14-day trial with no credit card needed. | DNo free plan. Trials go only to accounts Opensense qualifies through a demo, and it says a small company is better served by a free generator. |
| Features | BServer-side and in-client signatures on every plan, directory sync, disclaimers, rotating banners, targeting rules and brand kits, with HR sync, CRM targeting and A/B tests on Pro. That's the whole job, though Starter allows one template. | ADeployment by transport rule or add-in, directory and HR sync, banner A/B tests, impressions and clicks per recipient, and CRM targeting by account or deal stage. It's the only listing here on Microsoft's GCC High cloud, at $2 more per user. |
| Ease of use | CNo app store rating on record. An admin connects Microsoft 365 or Google Workspace, syncs the directory and builds templates in the web portal before anyone gets a signature. | CNo app store rating on record. Deployment goes by transport rule, Outlook add-in or both, which an IT team sets up with the success manager every plan includes. |
| Platforms and integrations | BA web portal with Microsoft 365, Google Workspace, Exchange, HubSpot, Salesforce, Workday, BambooHR and Salesloft, and server-side signatures reach mail sent from phones. No desktop or phone app of its own. | BWeb, with Microsoft 365 including GCC High, Google Workspace, Exchange, Salesforce, HubSpot, Marketo, Workday and Calendly. No desktop or phone app of its own. |
| Best for | company-wide signatures on Microsoft 365 or Google Workspace | CRM-targeted signature banners in large firms |
The GPA is the average of the five grades: an A is 4 points, an F is none. The full reasons are on each tool's page: Exclaimer and Opensense. How we grade
Price against what you get
Exclaimer starts at $0.90 a month for each person and scores 2.7 out of 4 on features, ease of use and platforms. Opensense starts at $1 a month for each person and scores 3.0.
Opensense scores higher, and starts $0.10 a month higher: the question is whether the extra is worth that to you. Of the other email signature tools on the chart, none scores higher than Exclaimer for less, and none scores higher than Opensense for less.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
Where they differ
- Exclaimer also covers templates and qR codes.
- Opensense also covers digital business card.
At a glance
| Exclaimer | Opensense | |
|---|---|---|
| Pricing | Free trial | Free trial |
| Starts at | $0.90 per user / month, billed annually (Starter) | $1 per user / month, with a $500 monthly minimum and a service plan (Signature) |
| Free plan | None | None |
| Free trial | 14-day free trial, no credit card required | Trials for qualified accounts, arranged through a demo |
| Web | ||
| Made by | Exclaimer | Opensense, Inc. |
| Price read from | exclaimer.com | opensense.com |
| Checked | Oct 23, 2026 | Oct 23, 2026 |
Worth knowing
Exclaimer
- Licensing is per active mailbox, with a minimum of 10 users.
- Starter allows one signature template; separate designs per department need Standard.
- Engagement reports, HubSpot and Salesforce targeting and HRIS sync are Pro features.
- Monthly billing is offered, but the pricing page shows only the annually billed prices.
Opensense
- Every plan has a $500 monthly minimum, and Opensense says a small company is better served by a free generator.
- Plans also need a service plan whose price is not published on the pricing page.
- Email tracking is a separate line of plans from $20 to $65 per user a month, with the same $500 minimum.
- Trials are offered only to accounts Opensense qualifies, through a demo.
Key features
Exclaimer
- Server-side and client-side signatures
- Every plan can add signatures on the mail server as messages leave, including from phones, or in Outlook and Gmail through an add-in so people see them while typing.
- Directory and HR sync
- Fills signatures from Entra ID or Google Directory; Pro also syncs from HR systems such as Workday, BambooHR and ADP Workforce Now, or a CSV.
- Banners and campaign scheduling
- Starter allows one banner; Standard and Pro rotate several and switch designs on a schedule for the length of a campaign.
- Targeting rules
- Use different signatures for internal and external mail, exclude users or groups, and on Pro target banners at HubSpot or Salesforce lists.
- Engagement dashboard
- Pro reports click-throughs on signatures and banners and can run A/B tests between designs.
- Disclaimers and brand kits
- Applies legal disclaimers to every email and keeps logos, colors and fonts in brand kits shared with meeting backgrounds.
Opensense
- Central deployment
- Signatures are pushed by transport rule, Outlook add-in or both, with in-client previews, and work in Outlook, Gmail and Apple Mail on desktop and mobile.
- Targeted banner campaigns
- From Pipeline, schedule banners by department and A/B test them; Complete targets them by account, deal stage or individual recipient using CRM data.
- Recipient-level insights
- Reports deliveries, impressions and clicks on banners per recipient and per employee.
- Directory, HR and SSO
- Every plan syncs from Azure AD or Google Directory; Pipeline adds HR systems such as Workday and BambooHR and SSO through Okta, OneLogin, Ping or SAML.
- GCC High support
- Runs on Microsoft's GCC High cloud for regulated US federal organizations, for $2 more per user a month on any plan.
- Onboarding included
- Every plan includes a dedicated customer success manager, deployment help, 24/7 phone support and 5 custom signature templates a year.
Plans
Exclaimer
Starter$0.90
per user / month, billed annually
One signature template for the whole organization, auto-updated employee details, legal disclaimers, a single banner and 24/5 support.
Standard$1.45
per user / month, billed annually
Unlimited templates, signatures per department, rotating banners, campaign scheduling, advanced targeting and 3 brand kits.
Pro$1.75
per user / month, billed annually
Adds unlimited brand kits, engagement dashboards, HubSpot and Salesforce targeting, LinkedIn and Facebook feeds, HRIS sync and vCards.
EnterpriseCustom
Standard or Pro plus a dedicated customer success manager, a tailored onboarding plan and staged rollout help.
Opensense
Signature$1
per user / month, with a $500 monthly minimum
For IT and branding: centrally deployed signatures on every device and client, reply and department signatures, directory sync. Plus a service plan.
Pipeline$3
per user / month, with a $500 monthly minimum
Adds scheduled banner campaigns, banner A/B tests, recipient-level impressions and clicks, HR system sync and custom SSO. Plus a service plan.
Complete$5
per user / month, with a $500 monthly minimum
Adds account, deal-stage and recipient targeting, and CRM, marketing automation and sales tool integrations. Plus a service plan.
EnterpriseCustom
A customized plan, quoted on request.
Common questions
Which is cheaper, Exclaimer or Opensense?
As of Oct 23, 2026, Exclaimer is cheaper to start with: $0.90 a month for each person, against $1 a month for each person for Opensense. Exclaimer starts at $0.90 per user / month, billed annually (Starter), and Opensense starts at $1 per user / month, with a $500 monthly minimum and a service plan (Signature).
Which has a free plan, Exclaimer or Opensense?
As of Oct 23, 2026, neither Exclaimer nor Opensense has a free plan. Both have a free trial.
More comparisons
How this page was made
- The verdict at the top follows a fixed rule. When both tools are in the same category and either is in our top three for it, the verdict follows that ranking: the higher-placed tool is our pick. The top three weigh who each tool suits as well as its grades, so a pick can go against the GPA. Otherwise the page does not pick one and says which grades higher: the higher GPA first; on a tie, the one with a free plan, then the one that starts cheaper in dollars a month, counted the same way for both; if they are still level, what the choice depends on.
- The grades are our own, from each tool’s review or report card. The GPA is their average.
- Prices, plans and platforms come from each tool’s listing. The table above says where each price was read and when.
- The differences and the answers to the questions are worked out from those listings.