Fill
Average of 2 independent sources · Data updated: 2026-08-12 · How we score →
Show score breakdown
| Source | Rating | Weight |
|---|---|---|
| Capterra | 8.4/10 | 71.4 % |
| Product Hunt | 6.9/10 | 28.6 % |
We never award a 10/10 — the composite score is capped at 9.4. A perfect headline rating would not be credible.
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Key facts at a glance
- What it is
- Fill is an electronic signature platform designed to help businesses create, send, and sign legally binding documents from any device.
- Toolsplorer score
- 8.0/10 (average of 2 independent sources)
- Best for
- Healthcare admin managing patient consent forms across multiple providers
Last updated:
Why this tool?
- Unlimited signature requests even on the free tier — no per-document paywalls
- Built-in document scanner turns paper forms into signable digital docs without third-party tools
- Real-time tracking shows exactly where each document is in the signing chain
- End-to-end workflow: create form → send → sign → archive in one platform without leaving the app
When NOT to use?
- You need advanced PDF editing beyond signatures. Fill is built around signing and routing documents, not editing PDF content — if you need to redline contracts, merge documents, or restructure layouts, a dedicated PDF editor will serve you better.
- Your team needs complex, multi-branch approval workflows. Fill handles sequential and parallel signing steps, but organizations requiring conditional logic, role-based escalations, and deep ERP integrations will quickly hit its limits compared to enterprise document management platforms.
- You operate in a jurisdiction with strict qualified electronic signature (QES) requirements. Some regulated markets in the EU (e.g., certain financial or notarial acts) legally require QES with identity verification certificates — Fill offers standard e-signatures but is not a QES-certified provider.
- Your primary need is collecting large-scale survey or form data, not signing. While Fill includes online forms, it is optimized for signature workflows rather than high-volume data collection and analysis — dedicated form tools like Typeform or Jotform offer richer logic, reporting, and integrations for that use case.
- You require deep CRM or deal-room integration out of the box. Teams whose signing workflow is tightly embedded in Salesforce, HubSpot, or a virtual data room may find Fill's native integrations too thin and will benefit more from e-signature tools built specifically around those ecosystems.
Fill is an electronic signature platform designed to help businesses create, send, and sign legally binding documents from any device. The platform targets industries like healthcare, real estate, education, and legal services, where document workflows can become a bottleneck. It operates on a freemium model — a free tier covers basic e-signature needs, while the PRO plan unlocks advanced features for teams and compliance-heavy use cases.
Core Features and Functionality
Fill positions itself as more than a simple signature tool. The platform bundles several document workflow capabilities into a single interface:
- Unlimited signature requests — even on lower tiers, Fill does not cap the number of documents you can send for signing, which sets it apart from competitors that gate volume behind paid plans.
- Document scanning — users can scan physical documents via mobile and convert them into signable digital files directly within the app.
- Online forms and templates — pre-built form templates allow teams to standardize intake forms, contracts, and agreements without starting from scratch each time.
- Automated workflows — documents can be routed through predefined signing sequences, reducing manual follow-ups and status checks.
- Real-time tracking — senders get visibility into who has opened, viewed, and signed each document, which helps with accountability and follow-up timing.
The platform supports signing across devices — desktop, tablet, and mobile — which matters for field-based teams in real estate or healthcare who collect signatures on the go.
Pricing and Value Proposition
Fill follows a freemium structure. The free tier provides core e-signature functionality, making it accessible for freelancers, solo professionals, or small teams testing the waters. The PRO plan adds capabilities like advanced document management, team collaboration features, and compliance tools suited for regulated industries. Exact PRO pricing is available on fillhq.com and tends to sit below enterprise-grade competitors like DocuSign or Adobe Sign, making Fill a practical option for small-to-midsize businesses watching their software budget.
Compared to alternatives like HelloSign (now Dropbox Sign), PandaDoc, or SignNow, Fill leans into simplicity and mobile-first usability. It lacks some of the deep CRM integrations and advanced API customization that larger platforms offer, but for teams whose primary need is getting documents signed quickly and compliantly, that trade-off often works in Fill's favor.
Industry-Specific Use Cases
Fill markets itself toward verticals with heavy paperwork requirements:
- Healthcare — HIPAA-conscious document handling for patient consent forms, intake paperwork, and provider agreements.
- Real estate — purchase agreements, lease contracts, and disclosure documents that require multiple signers across locations.
- Legal — client engagement letters, NDAs, and settlement agreements where audit trails and legally binding status are non-negotiable.
- Education — enrollment forms, permission slips, and administrative approvals that benefit from digital workflows.
The platform emphasizes security and compliance, which is essential for these regulated sectors. Documents are encrypted, and Fill provides audit trails that record each action taken on a document.
Limitations to Consider
Fill works well for straightforward document signing workflows, but teams needing deep third-party integrations (CRM, ERP, or project management tools) may find the ecosystem less mature than DocuSign or PandaDoc. Advanced API access for custom integrations is also more limited compared to enterprise-tier competitors. Organizations with complex multi-department approval chains should evaluate whether Fill's workflow automation covers their specific routing needs before committing.
For businesses that need a clean, affordable e-signature solution without the complexity of enterprise platforms, Fill delivers solid core functionality. The unlimited signature requests on its free tier make it particularly attractive for cost-conscious teams, and the industry-specific focus gives it an edge for professionals in healthcare, legal, and real estate who want a tool built with their compliance needs in mind.
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Fill vs. Alternatives
| Feature | Fill | DocuSign | PandaDoc |
|---|---|---|---|
| Unlimited signature requests | ✓ | ✗ | ✗ |
| Legally binding e-signatures | ✓ | ✓ | ✓ |
| Document scanning via mobile | ✓ | ✗ | ✗ |
| Automated document workflows | ✓ | ✓ | ✓ |
| Online form builder | ✓ | ○ | ✓ |
| Real-time document tracking | ✓ | ✓ | ✓ |
| Free plan available | ✓ | ✗ | ✓ |
| HIPAA-compliant signing | ✓ | ✓ | ✗ |
✓ Supported ○ Limited ✗ Not supported
vs. Alternatives
- vs. DocuSign: Fill offers unlimited signature requests on free tier; DocuSign caps free usage at 3 envelopes/month
- vs. HelloSign (Dropbox Sign): Fill adds built-in document scanning; HelloSign requires a pre-digitized file
- vs. Adobe Acrobat Sign: Fill is purpose-built for e-signatures with simpler UX; Acrobat Sign is part of a heavier PDF suite
- vs. PandaDoc: Fill focuses on signing speed; PandaDoc leans toward sales proposals and CRM integrations
Frequently Asked Questions
- Is Fill eSignature legally binding?
- Yes, signatures created with Fill (fillhq.com) are legally binding and comply with major e-signature laws including the U.S. ESIGN Act and UETA. Each signed document comes with an audit trail and timestamp to support enforceability in court.
- How much does Fill eSignature cost?
- Fill offers a free tier that includes unlimited signature requests, making it accessible for individuals and small teams without any upfront cost. A PRO paid plan is available for businesses that need advanced features such as automated document workflows, team management, and priority support.
- Can I use Fill eSignature on mobile devices?
- Yes, Fill is designed to work across any device, including smartphones and tablets, so you can create, send, and sign documents on the go. The platform also includes a document scanning feature that lets you capture physical paperwork with your phone's camera and convert it into a signable digital form.
- What industries is Fill eSignature best suited for?
- Fill is built to serve a wide range of industries, with particular focus on healthcare, education, real estate, and legal sectors where secure and compliant document signing is critical. Its automated workflows, online forms, and real-time tracking make it practical for any business that handles high volumes of agreements or contracts.
- How does Fill eSignature handle document tracking?
- Fill provides real-time tracking that shows the current status of every document you send, including whether it has been opened, signed, or is still pending. This visibility helps teams follow up at the right time and reduces delays in document turnaround.
