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Unpaywall VS GetProofAnchor

Compare Unpaywall VS GetProofAnchor and see what are their differences

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Unpaywall logo Unpaywall

Legally read research papers behind paywalls.

GetProofAnchor logo GetProofAnchor

Capture tamper-evident web evidence with screenshot, video, HTML, hashes, eIDAS and Bitcoin timestamping. GetProofAnchor preserves online content in a verifiable evidence package for legal, compliance, audit, and investigation use cases.
  • Unpaywall Landing page
    Landing page //
    2023-10-16
  • GetProofAnchor Getproofanchor.com
    Getproofanchor.com //
    2026-05-16

GetProofAnchor is a web evidence platform that helps individuals, companies, legal teams, auditors, journalists, and investigators capture and preserve online content as verifiable digital proof.

Instead of relying on ordinary screenshots, GetProofAnchor creates a tamper-evident evidence bundle that can include a screenshot, video, captured HTML, extracted text, metadata, cryptographic hashes, a verification report, DNS, TLS and timestamping records. The goal is to make it easier to prove what existed online at a specific moment in time — even if the page is later changed, deleted, edited, or disputed.

GetProofAnchor is designed for situations where online content matters: website changes, social media posts, public claims, misleading information, policy pages, competitor content, compliance records, online harassment, defamation, disputes, investigations, and regulatory documentation.

Each capture is built with integrity in mind. The evidence package can be independently reviewed, verified, and archived, helping users maintain a stronger chain of custody than a normal screenshot or browser printout. GetProofAnchor supports public web captures and is built with forensic-style documentation, auditability, and long-term verification in mind.

The platform is especially useful for lawyers, compliance teams, journalists, OSINT researchers, businesses, and anyone who needs reliable proof of online content before it disappears.

Unpaywall

Website
unpaywall.org
Pricing URL
-
$ Details
-
Release Date
-
Edit details

GetProofAnchor

Website
getproofanchor.com
Pricing URL
Official GetProofAnchor Pricing
$ Details
paid Free Trial €19 / Monthly (10 proofs)
Release Date
2026 January
Startup details
Country
Czech Republic
City
Prague
Founder(s)
Robert Bernasek
Employees
1 - 9
Edit details

Unpaywall features and specs

  • Free Access
    Unpaywall provides a legal and free method to access millions of research papers, enabling users who may not have subscriptions to paywalled journals to benefit from scientific knowledge.
  • Large Database
    With a repository of millions of articles, Unpaywall offers a broad range of papers across various fields, increasing the likelihood of finding accessible versions of desired research.
  • Browser Integration
    Unpaywall offers a browser extension that seamlessly integrates with Chrome and Firefox, allowing users to easily access full-text articles without leaving their workflow.
  • Legal and Ethical
    Unpaywall sources its articles from legal repositories, ensuring that access to content is ethical and respects copyright laws.
  • Support for Open Access
    By promoting access to open access articles, Unpaywall supports the broader open access movement, which aims to make scientific research more readily available to everyone.

Possible disadvantages of Unpaywall

  • Inconsistent Availability
    Not all articles have open access versions available, so users may not always find the exact paper they are looking for via Unpaywall.
  • Quality Variation
    The availability of different versions of the articles might lead to variations in quality, such as preprints or author manuscripts, which might not be peer-reviewed.
  • Dependency on Publisher Policies
    The availability of free articles depends heavily on individual publisher policies regarding open access, which can vary widely and affect what content is accessible.
  • Limited to Research Papers
    Unpaywall primarily focuses on research articles, so other types of academic content like book chapters or conference proceedings may not be available.
  • Requires Internet Connection
    Users need an active internet connection to use Unpaywall, which could be a limitation in areas with poor connectivity.

GetProofAnchor features and specs

No features have been listed yet.

Analysis of Unpaywall

Overall verdict

  • Unpaywall is considered a good and ethical tool for accessing open-access academic content. It contributes positively to the open science movement, ensuring that research outputs are more broadly accessible.

Why this product is good

  • Unpaywall is a widely-used tool in the academic community for accessing open-access research papers. It aggregates open-access content from over 50,000 publishers and repositories, making it easier for researchers, students, and the general public to find free versions of scholarly articles. By providing access to papers that are legally available for free, it helps democratize knowledge and reduce the financial barriers to accessing scientific research.

Recommended for

  • Researchers looking for open access papers
  • Students conducting literature reviews
  • Faculty members seeking teaching materials
  • Librarians assisting patrons with resource access
  • Anyone interested in accessing scientific research legally and for free

Analysis of GetProofAnchor

Overall verdict

  • I don't have verified information about GetProofAnchor (getproofanchor.com) as it appears to be a niche or lesser-known product that isn't well-documented in my training data, so I can't confirm its quality or legitimacy with confidence.

Why this product is good

  • Unable to verify the company's track record, customer reviews, or business legitimacy
  • No confirmed information about product features, pricing, or service quality
  • Cannot validate claims made on the website without independent verification
  • Insufficient data to compare it against established competitors in its space

Recommended for

  • Anyone considering this service should independently research the company, check for verified customer reviews on third-party sites, look for business registration details, and verify contact information before making any commitments
  • Consider consulting recent user reviews on trust platforms like Trustpilot, checking domain registration age via WHOIS, and testing customer support responsiveness before purchasing

Unpaywall videos

+ Add

How to Access Research Articles for FREE with Unpaywall

More videos:

  • Review - Must-Have Browser Extensions: Unpaywall + LibKeyNomad | Your Librarian Friend
  • Review - Testing Unpaywall

GetProofAnchor videos

+ Add

Getproofanchor in 30 seconds

Category Popularity

0-100% (relative to Unpaywall and GetProofAnchor)

Unpaywall

GetProofAnchor

Productivity
100 100%
Productivity
0% 0
Audit
0 0%
Audit
100% 100
Education
100 100%
Education
0% 0
Security
0 0%
Security
100% 100

User comments

Share your experience with using Unpaywall and GetProofAnchor. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare Unpaywall and GetProofAnchor

Unpaywall Reviews

14 Websites to Download Research Paper for Free – 2024
GetTheResearch.org is an Artificial Intelligence(AI) powered search engine for search and understand scientific articles for researchers and scientists. It was developed as a part of the Unpaywall project. Unpaywall is a database of 23,329,737 free scholarly Open Access(OA) articles from over 50,000 publishers and repositories, and make it easy to find, track, and use.
Source: www.ilovephd.com

GetProofAnchor Reviews

We have no reviews of GetProofAnchor yet.
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Social recommendations and mentions

Based on our record, Unpaywall seems to be more popular. It has been mentiond 44 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Unpaywall mentions (44)

  • First time a vacuum was ever created in a laboratory
    You might also find this interesting: https://unpaywall.org/. Source: almost 3 years ago
  • Black holes eat faster than previously expected
    > can you detail what the possible issue is? Why? Are you in a position to help everyone? (As you probably guessed while reading the comment you replied to, I don't really need help; more on that below). "Occasional" is not universal; as you aren't getting the problem in a here-and-now sense you can probably play around with the "here" part by using Tor Browser to see if you can get to the article via the link... - Source: Hacker News / almost 3 years ago
  • I am fuckin tired of every other short or video of being about another useless gpt promt or extension. Please give me better trusted resources
    There are many of course the problem is that the ai hallucination problem is still a huge issue. For instance, getting all of https://unpaywall.org/ or something similar into an LLM would be a boon for scientists, but... If you can't trust what it is saying you will end up going back to pull the source anyway. The analysis it provides would probably be helpful though. Source: over 3 years ago
  • Can the light from my grow light pass through The Gnat Preventive Chamber™ to the plants inside?
    For problem 1. I can recommend this browser extension: https://unpaywall.org/ it basically redirects you to a legally available free version of any article you are looking at, if it can find one. Source: over 3 years ago
  • Got a pub and can’t even view the full text article
    Try this: https://unpaywall.org, it’s legal. Source: over 3 years ago
View more

GetProofAnchor mentions (0)

We have not tracked any mentions of GetProofAnchor yet. Tracking of GetProofAnchor recommendations started around May 2026.

What are some alternatives?

When comparing Unpaywall and GetProofAnchor, you can also consider the following products

SCI-HUB - It provides mass and public access to tens of millions of research papers

Proofsnap - Preserve web pages as legally admissible evidence.

arXiv - arXiv is a free distribution service and an open-access archive for scholarly articles.

Ladder - Community-first career growth for the next generation.

Z-Lib - ZLibraryPart of Z-Library project. The world's largest ebook library.

Archive.org - Internet Archive is a non-profit digital library offering free universal access to books, movies...

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