Nitro Sign
Nitro Sign: A Microsoft-oriented e-signature service with templates, authentication, workflows, and API access. Ranked #39 of 67 in E-Signature Software by our editors (5.5/10); pricing: 14-day trial; best for microsoft-oriented teams needing basic workflows.
At a glance
- Editor score5.5 / 10
- Pricing14-day trial
- Best forMicrosoft-oriented teams needing basic workflows
- Free planNo
- Audit trailYes
- Facts checked20 Sep 2026
Where it wins
- Supports reusable templates, custom workflows, and bulk sending.
- Offers SMS or email code authentication and audit logs.
- Integrates with Microsoft 365, OneDrive, SharePoint, and Power Automate.
Where it doesn't
- There is no free plan; the free trial lasts 14 days.
- Standard does not include reusable templates or bulk sending.
- API access and advanced signature methods require Enterprise.
Our verdict on Nitro Sign
Nitro Sign is a cloud-based electronic signature service for individuals, small teams, growing businesses, and regulated organizations. It supports sending one or multiple documents for signature, predefined form fields, audit logs, manual reminders, signing-order controls, and document activity tracking. Its Microsoft focus makes it a practical fit for teams working across Microsoft 365, OneDrive, SharePoint, or Power Automate, while broader integrations support Google Drive, Dropbox, Box, Salesforce, and Zapier.
Platform coverage includes web, Windows, macOS, and iOS. The integration set gives Nitro Sign a useful place in document and business-application workflows, with API-based integration available for Enterprise customers. Teams can also choose parallel or sequential signing orders, depending on how their approval process is structured. This makes the product more suitable for repeatable internal and external signing processes than for one-off document exchange alone.
Nitro Sign has Standard, Plus, and Enterprise plans, with a 14-day free trial and no free plan. Standard covers core sending, form filling, audit logs, and manual reminders. Plus adds reusable templates, custom fields and workflows, bulk sending, SMS or email code authentication, single sign-on, and custom branding. Enterprise adds API access, advanced and qualified electronic signature methods, digital certificates, ID verification, and tailored enterprise solutions. Choose Nitro Sign if Microsoft ecosystem fit, workflow reuse, and authentication options matter; consider another product if a permanent free tier or broader platform coverage is a priority.
Your product? Our editors can test Nitro Sign in depth and publish a review, labelled as paid · from $99/mo →
Nitro Sign pricing
All 3 Nitro Sign plans and prices →
Nitro Sign fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| Audit trail | Yes |
| Document templates | Yes |
| Bulk sending | Yes |
| API access | Yes |
| SMS authentication | Yes |
| Signature order | Both |
| Free trial | 14 days · no card needed |
| Deployment | Cloud |
| Platforms | Web |
| Compliance & security | SOC 2, ISO 27001, GDPR, HIPAA, 2FA |
| Support | Docs, Community · 24/7 |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 15 integrations: Microsoft 365, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft Teams … See all → |
| Pricing | 14-day trial (source) |
| Website | gonitro.com |
| Facts checked | 20 Sep 2026 |
Nitro Sign integrations
Nitro Sign lists 15 integrations on its own site.
- Microsoft 365
- Microsoft Word
- Microsoft Excel
- Microsoft PowerPoint
- Microsoft Outlook
- Microsoft Teams
- SharePoint
- Salesforce
- Google Drive
- OneDrive
- Dropbox
- iManage
- M-Files
- Zapier
- Microsoft Power Automate
See all Nitro Sign integrations →
Alternatives to Nitro Sign
- DocuSign eSignatureA full-featured e-signature platform for teams that need integrations and workflow controls.9.4
- Zoho SignAffordable signing with broad workflows, authentication, integrations, and APIs.9.2
- Dropbox SignA flexible signing service with a free plan, team features, and Dropbox workflows.9.1
See all Nitro Sign alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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