Nitro Sign

Nitro Sign

Nitro Software
4.0 out of 5 stars
Firma.dev Nitro Sign

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Firma.dev:

About

Firma.dev is the developer-first e-signature API built for startups and mid-sized SaaS companies. With a clean REST API and embeddable template and signing editors, developers can ship e-signature workflows in hours, not weeks. Firma.dev's pricing model is straightforward: pay-as-you-go at just €0.049 (about 5 cents USD) per envelope. No monthly minimums, no contracts, no suprise fees. That's a fraction of the cost of legacy providers like DocuSign, which makes Firma.dev a strong fit for cost-sensitive teams scaling e-signature across products or customers. Every customer gets a dedicated workspace, a secure, partitioned space for templates, documents, and envelope usage. This makes it easy to manage usage by client or environment, with no cross-tenant exposure and no complex access rules. Firma.dev is designed with compliance in mind and aligns with key frameworks including the ESIGN Act, UETA, HIPAA, GDPR, and eIDAS. Security practices align with SOC 2 and ISO 27001 standard
Nitro Sign:

About

Nitro Sign offers secure, easy-to-use eSignatures at an affordable price, empowering businesses to streamline document workflows and focus on what truly matters. With tiered plans designed to meet every need, from individuals and small teams to large organizations, Nitro Sign ensures you to get the functionality you need without paying for unnecessary extras. Our highly rated solution is simple to purchase, easy to implement, and straightforward to use. Plus, we offer a wide range of service and support resources to ensure the success of every customer. That’s why millions of users around the world trust Nitro as their PDF editing and eSign solutions of choice.
Firma.dev:

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Supported
iPad Supported
Android Not Supported
Chromebook Supported
Nitro Sign:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Firma.dev:

Audience

Developers and engineering teams at startups and mid-sized SaaS companies who need to embed e-signature functionality into their products. Also suits technical founders and CTOs evaluating build-vs-buy for document signing workflows.
Nitro Sign:

Audience

Businesses and teams of all sizes seeking a secure, compliant, and user-friendly electronic signature solution to streamline contract and document signing workflows
Firma.dev:

Support

Phone Support Supported
24/7 Live Support Supported
Online Not Supported
Nitro Sign:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Firma.dev:

API

Offers API Supported
Nitro Sign:

API

Offers API Not Supported
Firma.dev:

Screenshots and Videos

Nitro Sign:

Screenshots and Videos

Firma.dev:

Pricing

€0.049 per envelope.
Pay-as-you-go at just €0.049 per envelope.
Free Version Not Supported
Free Trial Supported
Nitro Sign:

Pricing

$15/user/month
Free Version Not Supported
Free Trial Supported
Firma.dev:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Nitro Sign:

Reviews/Ratings

Overall 4.0 / 5
ease 4.0 / 5
features 5.0 / 5
design 3.0 / 5
support 4.0 / 5
Nitro Sign:

Pros & Cons from Real Users

Pros

  • Allows for basic eSignature processing on your pdfs and other documents. It is created securely and does not allow for post editing which is a must.

Cons

  • Nothing major to complain about here. The design style wouldn't hurt from a refresh though.
Firma.dev:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Nitro Sign:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Firma.dev:

Company Information

Firma.dev
Founded: 2025
United States
firma.dev/
Nitro Sign:

Company Information

Nitro Software
Founded: 1997
Australia
www.gonitro.com/sign
Firma.dev:

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Nitro Sign:

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Firma.dev:
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Firma.dev:

Categories

Digital Signature Supported
eSignature APIs Supported
Nitro Sign:

Categories

Digital Signature Supported
Firma.dev:

Digital Signature Features

Audit Trail Supported
Authentication Supported
Auto Reminders Supported
Customizable Templates Supported
Document Analytics Supported
Mobile Signature Not Supported
Multi-Party Signing Supported
Progress Tracking Not Supported
Task Progress Tracking Not Supported
Firma.dev:

Integrations

Contractify Not Supported
Nitro PDF Not Supported
Nitro Sign:

Integrations

Contractify Supported
Nitro PDF Supported
Firma.dev:
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Nitro Sign:
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