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Nonprofits · head to head

CiviCRM vs Fluxx

CiviCRM logo

CiviCRM

Nonprofits

Open source constituent relationship management for nonprofits, with no per contact or per donation fee

From
Free
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

  • Only CiviCRM has a free tier, so it costs nothing to try first.
  • Each has a real cost: CiviCRM nobody maintains it for you, so security patches and major version upgrades are your operational responsibility and organisations that skip them end up stranded on an old release.; 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: CiviCRM covers Contribution and pledge tracking, Fluxx covers Configurable data model.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which CiviCRM and Fluxx actually diverge.

Attributes where CiviCRM and Fluxx differ
AttributeCiviCRMFluxx
Starting priceFreeOn request
Pricing modelOpen source, no licence feequote
Free tierYesNo
PlatformsWeb, Linux, Self-hostedWeb

Identical on both: 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 CiviCRM

  • Contribution and pledge tracking
  • Membership management
  • Events and registration
  • Case management
  • CMS integration
  • Extension framework

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.

CiviCRM

  • A membership organisation with a large contact file that refuses to pay a per contact meternot Fluxx
  • An advocacy group needing to hold constituent data on infrastructure it controlsnot Fluxx
  • A charity already running Drupal or WordPress that wants CRM inside the same stacknot Fluxx
  • An organisation with unusual data requirements that no hosted product will build for itnot Fluxx

Fluxx

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

Where each one falls short

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

CiviCRM

  • Nobody maintains it for you, so security patches and major version upgrades are your operational responsibility and organisations that skip them end up stranded on an old release.
  • The interface and configuration model are dated compared with hosted competitors, and staff turnover is expensive when the next fundraiser has to be trained on it from scratch.
  • Extension quality is inconsistent, so a payment processor or integration that works on one version can break on the next with no vendor obligation to fix it.
  • Total cost of ownership is genuinely low only at scale, and a five person charity often pays more to a partner for setup and support than a hosted product would have charged outright.
  • Implementation partners hold the practical knowledge of your configuration, so switching partners can be as disruptive as switching products despite the software being free.

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

CiviCRM

Free
  • CiviCRMFree
    • No licence fee, no per contact charge and no percentage of donations
    • Costs are hosting, implementation partner time and upgrade work
    • Paid hosting and support available from partners at their own rates

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 CiviCRM if

  • You need contribution and pledge tracking.
  • You want to start without paying.
  • You work on Web, Linux, Self-hosted.
  • You also want membership management.
CiviCRM review

Choose Fluxx if

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

Questions people ask

Is CiviCRM or Fluxx better?
Neither clearly leads. CiviCRM starts at Free and Fluxx at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CiviCRM or Fluxx?
CiviCRM has a free tier; the other does not. Paid plans start at Free for CiviCRM and On request for Fluxx.
Does CiviCRM or Fluxx run on more platforms?
CiviCRM runs on Web, Linux, Self-hosted. Fluxx runs on Web.
Can I use CiviCRM for free?
Yes. CiviCRM has a free tier, so you can try it without paying. Fluxx starts at On request.
What is CiviCRM best used for?
CiviCRM is most often used for a membership organisation with a large contact file that refuses to pay a per contact meter, an advocacy group needing to hold constituent data on infrastructure it controls, a charity already running drupal or wordpress that wants crm inside the same stack, an organisation with unusual data requirements that no hosted product will build for it. Of those, a membership organisation with a large contact file that refuses to pay a per contact meter and an advocacy group needing to hold constituent data on infrastructure it controls are not what Fluxx is typically brought in for.
What can CiviCRM do that Fluxx cannot?
CiviCRM covers Contribution and pledge tracking, Membership management, Events and registration, Case management. Fluxx covers Configurable data model, Card-based interface, Multi-programme workflows, Board and committee review.

Answered from the vendors’ own pages

CiviCRM: Is CiviCRM really free?

The software is, with no licence, per contact or per donation charge. Hosting, implementation and support are real costs and are where the budget goes.

Fluxx: Is Fluxx Grantseeker really free?

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

CiviCRM: Do we need a developer?

You need technical capacity, either in house or a retained partner. Treating it as a hosted product without support is the common failure mode.

Fluxx: How is Fluxx priced?

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

CiviCRM: Where does it win against commercial CRMs?

At scale. A large contact file or high donation volume that would cost tens of thousands a year in metered fees costs nothing in licence here.

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.

CiviCRM: Can it be hosted for us?

Yes, several partners offer managed CiviCRM hosting, which removes the upgrade burden and reintroduces a monthly fee.

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.

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