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Nonprofits · head to head

Mightycause vs OneCause

Mightycause logo

Mightycause

Nonprofits

Fundraising platform for nonprofits and causes

From
Free
Rated
-
Full reviewWebsite
OneCause logo

OneCause

Nonprofits

Event management and auction fundraising platform, now part of Bonterra

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Mightycause has a free tier, so it costs nothing to try first.
  • Each has a real cost: Mightycause no paid tiers or premium upgrade options available; OneCause no transparent pricing published; all plans require contacting sales at 888-475-5214 or online form for custom quotes
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Mightycause and OneCause actually diverge.

Attributes where Mightycause and OneCause differ
AttributeMightycauseOneCause
Starting priceFreeOn request
Pricing modelsubscriptionquote
Free tierYesNo
PlatformsWeb, Mobile-responsiveWeb
Founded2008Unknown

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 Mightycause

  • Campaign creation
  • Donation collection
  • Email campaigns
  • Donation tracking
  • Social sharing
  • Stripe
  • PayPal
  • Google Analytics

Only in OneCause

Nothing recorded that Mightycause does not also cover.

What people use each for

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

Mightycause

  • Nonprofits running online donation and peer-to-peer fundraising campaigns without a software subscription feenot OneCause

OneCause

  • Managing ticketing, sponsorships, and registration for fundraising eventsnot Mightycause
  • Running silent and live auctions with mobile bidding capabilitiesnot Mightycause
  • Coordinating peer-to-peer fundraising campaigns like walks and runsnot Mightycause
  • Processing donations with gift matching and recurring contributionsnot Mightycause

Where each one falls short

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

Mightycause

  • No paid tiers or premium upgrade options available

OneCause

  • No transparent pricing published; all plans require contacting sales at 888-475-5214 or online form for custom quotes

Pricing, plan by plan

Mightycause

Free
  • FreeFree
    • Campaign creation
    • Donation collection
  • Professional$50/month
    • Advanced features
    • Email campaigns
    • Premium support

OneCause

On request
  • Professional$undefined/mo
    • Foundational fundraising software
    • Ticketing, tables, sponsorships, auctions, donations
    • Suited for galas, luncheons, golf outings
  • Enterprise$undefined/mo
    • Large or multiple ticketed events
    • Event Ambassador Fundraising
    • Event Series
  • Nationals$undefined/mo
    • National organizations managing affiliate chapters
    • Organization Structure & Hierarchy
    • Event Templates

Which should you pick?

Choose Mightycause if

  • You need campaign creation.
  • You want to start without paying.
  • You work on Web, Mobile-responsive.
  • You also want donation collection.
Mightycause review

Choose OneCause if

Nothing in the data separates OneCause from Mightycause on the points above - pick on price and on how each one feels to use.

OneCause review

Questions people ask

Is Mightycause or OneCause better?
Neither clearly leads. Mightycause starts at Free and OneCause at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mightycause or OneCause?
Mightycause has a free tier; the other does not. Paid plans start at Free for Mightycause and On request for OneCause.
Does Mightycause or OneCause run on more platforms?
Mightycause runs on Web, Mobile-responsive. OneCause runs on Web.
Can I use Mightycause for free?
Yes. Mightycause has a free tier, so you can try it without paying. OneCause starts at On request.
What is Mightycause best used for?
Mightycause is most often used for nonprofits running online donation and peer-to-peer fundraising campaigns without a software subscription fee. Of those, nonprofits running online donation and peer-to-peer fundraising campaigns without a software subscription fee is not what OneCause is typically brought in for.
What can Mightycause do that OneCause cannot?
Mightycause covers Campaign creation, Donation collection, Email campaigns, Donation tracking.

Answered from the vendors’ own pages

Mightycause: How much does Mightycause cost?

Mightycause is completely free to use. The platform provides full fundraising capabilities at zero cost per month for nonprofit organizations.

Source
OneCause: How much does OneCause cost?

OneCause does not publish pricing online. All plans require a custom quote. Contact OneCause at 888-475-5214 or submit a request through their website for pricing information.

Source
Mightycause: Is Mightycause free forever?

Yes, Mightycause charges zero dollars per month for all nonprofit organizations using its fundraising platform.

Source
OneCause: What pricing tiers does OneCause offer?

OneCause offers three main tiers: Professional (foundational fundraising software), Enterprise (large/multiple event management), and Nationals (national organizations with affiliate chapters). All require custom quotes.

Source
Mightycause: Are there any hidden costs or add-on fees?

No hidden costs are mentioned. Mightycause emphasizes that it provides a complete feature set for nonprofit fundraising at no cost, positioning itself as an alternative to paid fundraising tools.

Source
OneCause: Is there a Pay As You Go option?

OneCause indicates Pay As You Go availability is offered within the Professional plan, but specific costs require contact with sales.

Source
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