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Nonprofits · head to head

Cause IQ vs Fluxx

Cause IQ logo

Cause IQ

Nonprofits

Integrated fundraising and CRM platform

From
On request
Rated
-
Full reviewWebsite
Fluxx logo

Fluxx

Nonprofits

Configurable grants management for foundations that run complex, multi-stage funding programmes

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Cause IQ pricing is not published; Fluxx configuration flexibility means the system does very little until someone configures it, and foundations without a dedicated systems administrator end up paying the vendor or a partner for every change.
  • They diverge on capability: Cause IQ covers Donor management, Fluxx covers Configurable data model.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Cause IQ and Fluxx actually diverge.

Attributes where Cause IQ and Fluxx differ
AttributeCause IQFluxx
Pricing modelsubscriptionquote
Founded2013Unknown

Identical on both: starting price (On request), free tier (No), platforms (Web), user rating (Not yet rated), category (Nonprofits).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Cause IQ

  • Donor management
  • Event management
  • Online giving
  • Volunteer tracking
  • Stripe
  • PayPal
  • Salesforce
  • Google Analytics

Only in Fluxx

  • Configurable data model
  • Card-based interface
  • Multi-programme workflows
  • Board and committee review
  • Payment scheduling
  • Applicant portal

What people use each for

The jobs each tool is most often brought in to do.

Cause IQ

  • Prospect research across nonprofit organisationsnot Fluxx
  • Benchmarking a nonprofit client against peersnot Fluxx
  • Building target lists for firms serving the sectornot Fluxx
  • Enriching existing records with nonprofit financial datanot Fluxx

Fluxx

  • A foundation running six distinct funding programmes that each need their own application form, review panel and payment schedulenot Cause IQ
  • A regranting intermediary administering funds for multiple donors who each require separate reportingnot Cause IQ
  • A public agency distributing grant funds with statutory eligibility rules that must be enforced before an application can be submittednot Cause IQ
  • A funder moving off spreadsheets and email after grant volume made manual board packet preparation unworkablenot Cause IQ

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Cause IQ

  • Pricing is not published
  • Sold to firms selling into the nonprofit sector rather than to nonprofits running their own operations

Fluxx

  • Configuration flexibility means the system does very little until someone configures it, and foundations without a dedicated systems administrator end up paying the vendor or a partner for every change.
  • Implementation commonly runs four to eight months and is priced separately from the subscription, so first-year cost is far above the annual licence figure.
  • No pricing is published and quotes scale with assets under management, which means two foundations making the same number of grants can be quoted very differently.
  • The card-based interface is unfamiliar to new users and reviewer adoption suffers without training, which matters because trustees use it a few times a year and forget between meetings.
  • Reporting is capable but the report builder is technical, and many foundations end up exporting to a spreadsheet or a BI tool for board-ready output.

Pricing, plan by plan

Cause IQ

On request
  • Standard$95/month
    • Donor management
    • Event management
  • Advanced$200/month
    • Prospect research
    • Fundraising reports
    • Advanced analytics

Fluxx

On request
  • Fluxx Grantmaker$undefined/year
    • Configurable grantmaking workflows
    • Applicant portal and reviewer access
    • Priced by assets under management and grant volume
  • Fluxx Grantseeker$undefined/year
    • Free portal for applicants submitting to Fluxx funders
    • Tracks submissions and requirements across funders

Which should you pick?

Choose Cause IQ if

  • You need donor management.
  • You also want event management.
Cause IQ review

Choose Fluxx if

  • You need configurable data model.
  • You also want card-based interface.
Fluxx review

Questions people ask

Is Cause IQ or Fluxx better?
Neither clearly leads. Cause IQ starts at On request and Fluxx at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cause IQ or Fluxx?
Cause IQ starts at On request and Fluxx at On request.
Does Cause IQ or Fluxx run on more platforms?
Both run on Web, so platform support will not decide this one for you.
What is Cause IQ best used for?
Cause IQ is most often used for prospect research across nonprofit organisations, benchmarking a nonprofit client against peers, building target lists for firms serving the sector, enriching existing records with nonprofit financial data. Of those, prospect research across nonprofit organisations and benchmarking a nonprofit client against peers are not what Fluxx is typically brought in for.
What can Cause IQ do that Fluxx cannot?
Cause IQ covers Donor management, Event management, Online giving, Volunteer tracking. Fluxx covers Configurable data model, Card-based interface, Multi-programme workflows, Board and committee review.

Answered from the vendors’ own pages

Cause IQ: Does Cause IQ offer a free plan?

Yes. Cause IQ offers a free plan with basic nonprofit searches using 8 filters and limited profile access. Core and Pro plans are paid subscriptions.

Source
Fluxx: Is Fluxx Grantseeker really free?

Yes, for applicants. It is the submission portal, and funders pay for Grantmaker.

Cause IQ: What is included in Cause IQ's pricing?

Core Plan costs $349/month (or $199/month for 501(c)(3) nonprofits) with access to 400+ filters. Pro Plan costs $5,988/year with three user licenses and unlimited exports. Annual discounts available.

Source
Fluxx: How is Fluxx priced?

By quote, scaling with assets under management and grant volume. Implementation is a separate professional services fee.

Cause IQ: Does Cause IQ integrate with Salesforce?

Yes. Cause IQ provides direct Salesforce integration to create, update, and enrich Leads, Contacts, and Accounts with nonprofit data. Bulk operations and field mapping are supported.

Source
Fluxx: Can we configure Fluxx ourselves?

Yes, that is the point of it. But it requires a trained internal administrator; foundations that do not appoint one become dependent on paid services.

Cause IQ: Does Cause IQ have an API?

Yes. Cause IQ provides a REST API that returns JSON responses. The API allows programmatic searches for nonprofits, EIN lookups, and access to over 400 organization fields.

Source
Fluxx: How long does implementation take?

Typically four to eight months for a multi-programme funder, driven mostly by how long the foundation takes to agree its own process.

Cause IQ: How much nonprofit data does Cause IQ contain?

Cause IQ aggregates data from over a dozen sources covering 1.73 million organizations, 9.86 million people (board members and key personnel), and 52,143 vendor profiles.

Source
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