BEST INVESTING TOOLS COMPARISON

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Checked September 24, 2026

Tool Comparison

Open Payments (CMS) vs PCAOB AuditorSearch

Paid from
—
Free plan
Yes
Platforms
Web, API

Best if

  • You want an API so you can script or automate things
  • You want APIs & data feeds and data visualizations.
  • You've outgrown the basics and want pro-level depth
Paid from
—
Free plan
Yes
Platforms
Web

Best if

    Pick Open Payments (CMS) if

    Open Payments (CMS) logo

    Open Payments (CMS)

    openpaymentsdata.cms.gov

    Free · Web · API

    • You want an API so you can script or automate things
    • You want APIs & data feeds and data visualizations.
    • You've outgrown the basics and want pro-level depth

    Pick PCAOB AuditorSearch if

    PCAOB AuditorSearch logo

    PCAOB AuditorSearch

    pcaobus.org

    Free · Web

    Skip both if: Neither one clicks with how you research; there are strong third options.

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    Our take

    The bottom line

    Open Payments (CMS) and PCAOB AuditorSearch cover a lot of the same ground (2 shared categories, regulatory filings monitoring and official sources), so for the basics you won't go far wrong with either. On paper they're closely matched, so let pricing, platform fit, and the details below break the tie.

    What readers say

    Open Payments (CMS)

    No votes yet. Cast the first one.

    PCAOB AuditorSearch

    No votes yet. Cast the first one.

    Key differences at a glance

    API access
    Open Payments (CMS)
    Free plan
    Both
    See the full side-by-side table
    Open Payments (CMS) logo

    What Open Payments (CMS) does best

    1. Search tools across official Sunshine Act records for payments and ownership interests reported by drug manufacturers, device manufacturers, and group purchasing organizations.
    2. Comparison tools for General Payments, Research Payments, and Ownership or Investment Interests across program years.
    3. Lookup tools for physicians, non-physician practitioners, teaching hospitals, manufacturers, products, payment categories, dates, and dollar amounts from the public web tool.
    4. Charts, filters, and downloadable tables to move from a provider, company, or product question into the underlying records.
    5. Download support for bulk datasets when healthcare, pharma, medtech, policy, or compliance workflows need repeatable offline analysis.
    PCAOB AuditorSearch logo

    What PCAOB AuditorSearch does best

    1. Search Form AP data to identify the firm and engagement partner associated with a U.S. public-company audit report.
    2. Find issuers by company name, CIK, or ticker in the web interface.
    3. Find audit firms by name, PCAOB ID, or country and review their reported public-company audits.
    4. Search by engagement-partner name to review associated public-company audit reports.
    5. Apply filing-date filters in advanced search to limit results to a reporting period.

    Side by side

    Pricing & plans
    Starting price
    Free
    Free
    Free tier
    Yes
    Yes
    Free trial
    —
    —
    Platforms & access
    Web app
    Yes
    Yes
    Mobile app
    No
    No
    API access
    Yes
    No
    Coverage & data
    Asset types
    Other
    Stocks
    Target audience
    Not specified
    Retail TradersAnalystsInstitutional InvestorsStudents/Researchers
    Export formats
    CSVJSON
    CSV

    Pricing comparison

    See for yourself

    Side by side

    Price, platforms, data, and market coverage.
    Show
    Side-by-side comparison of Open Payments (CMS) and PCAOB AuditorSearch
    Attribute
    Open Payments (CMS) logo
    Open Payments (CMS)
    PCAOB AuditorSearch logo
    PCAOB AuditorSearch
    Pricing & plans
    Starting price
    FreeFree
    Free tier
    YesYes
    Free trial
    ——
    Platforms & access
    Web app
    YesYes
    Mobile app
    NoNo
    API access
    YesNo
    Audience & fit
    Experience level
    Beginner, Intermediate, AdvancedBeginner, Intermediate
    Best for
    —Retail Traders, Analysts +2 more
    Categories covered
    42
    Regions
    North America—
    Try itVisit Open Payments (CMS)Visit PCAOB AuditorSearch

    Standout features

    The best features of Open Payments (CMS) and PCAOB AuditorSearch.
    Show
    Open Payments (CMS) logo

    What Open Payments (CMS) does best

    1. Search tools across official Sunshine Act records for payments and ownership interests reported by drug manufacturers, device manufacturers, and group purchasing organizations.
    2. Comparison tools for General Payments, Research Payments, and Ownership or Investment Interests across program years.
    3. Lookup tools for physicians, non-physician practitioners, teaching hospitals, manufacturers, products, payment categories, dates, and dollar amounts from the public web tool.
    4. Charts, filters, and downloadable tables to move from a provider, company, or product question into the underlying records.
    5. Download support for bulk datasets when healthcare, pharma, medtech, policy, or compliance workflows need repeatable offline analysis.
    PCAOB AuditorSearch logo

    What PCAOB AuditorSearch does best

    1. Search Form AP data to identify the firm and engagement partner associated with a U.S. public-company audit report.
    2. Find issuers by company name, CIK, or ticker in the web interface.
    3. Find audit firms by name, PCAOB ID, or country and review their reported public-company audits.
    4. Search by engagement-partner name to review associated public-company audit reports.
    5. Apply filing-date filters in advanced search to limit results to a reporting period.

    All details

    Every attribute we track for Open Payments (CMS) and PCAOB AuditorSearch.
    Show
    Attribute
    Open Payments (CMS) logo
    Open Payments (CMS)
    PCAOB AuditorSearch logo
    PCAOB AuditorSearch
    Coverage & fit
    Asset types
    Other
    Stocks
    Experience
    BeginnerIntermediateAdvanced
    BeginnerIntermediate
    Target audience
    Not specified
    Retail TradersAnalystsInstitutional InvestorsStudents/Researchers
    Regions
    North America
    Not specified
    Coverage details
    Countries: US
    Countries: USIdentifiers: CIK and Ticker
    Access & integrations
    API protocols
    REST
    Not specified
    API auth & delivery
    Auth: None
    Not specified
    Export formats
    CSVJSON
    CSV
    Plans & trust
    Vendor & support
    Centers for Medicare & Medicaid Services (CMS), U.S. Department of Health & Human ServicesCountry: USSupport: Email and Phone
    Public Company Accounting Oversight Board (PCAOB)Country: United States
    Curation ratings
    Methodology 5/5Reliability 5/5UX 4/5
    Not specified

    Green tags are exclusive to that tool in this comparison.

    Pricing

    Plans, billing, free trials, and monthly prices.
    Show
    Plan-by-plan pricing comparison of Open Payments (CMS) and PCAOB AuditorSearch
    Tier
    Open Payments (CMS) logo
    Open Payments (CMS)
    PCAOB AuditorSearch logo
    PCAOB AuditorSearch
    Free plan
    Free
    Free

    Questions we keep getting

    What's the difference between Open Payments (CMS) and PCAOB AuditorSearch?

    Open Payments (CMS) leans toward APIs & data feeds, data visualizations, and regulatory filings monitoring, while PCAOB AuditorSearch puts more weight on regulatory filings monitoring and official sources. They overlap in 2 categories, so for most people it comes down to workflow preference and price.

    How much do Open Payments (CMS) and PCAOB AuditorSearch cost?

    Good news: both Open Payments (CMS) and PCAOB AuditorSearch have free plans, so you can run them side by side and only pay if you hit a wall.

    Which is better for beginners: Open Payments (CMS) or PCAOB AuditorSearch?

    Honestly, neither is aimed at beginners. Expect a learning curve either way; that's the trade-off for the depth they offer.

    Does Open Payments (CMS) or PCAOB AuditorSearch have an API?

    Open Payments (CMS) has an API for programmatic access and custom integrations. PCAOB AuditorSearch doesn't, so you're working through its interface.

    Should I choose Open Payments (CMS) or PCAOB AuditorSearch?

    It depends on what you're after. Pick Open Payments (CMS) if APIs & data feeds and data visualizations matter to you; go with PCAOB AuditorSearch if you prefer its overall approach. And if you only need the basics both share, let price decide.

    What asset classes do Open Payments (CMS) and PCAOB AuditorSearch cover?

    Open Payments (CMS) covers other. PCAOB AuditorSearch covers stocks.

    Can I export data from Open Payments (CMS) and PCAOB AuditorSearch?

    Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.

    Feedback

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    Curation & Accuracy

    This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

    Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.