Softwr

Nonprofits · head to head

Little Green Light vs OneCause

Little Green Light logo

Little Green Light

Nonprofits

Affordable donor management for small nonprofits

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 Little Green Light has a free tier, so it costs nothing to try first.
  • Each has a real cost: Little Green Light pricing is driven purely by constituent record count, so inactive and lapsed records still raise the bill; 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 Little Green Light and OneCause actually diverge.

Attributes where Little Green Light and OneCause differ
AttributeLittle Green LightOneCause
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 Little Green Light

  • Donor database
  • Prospect tracking
  • Relationship management
  • Task management
  • PayPal
  • Stripe
  • Google Drive
  • Web support

Only in OneCause

Nothing recorded that Little Green Light does not also cover.

What people use each for

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

Little Green Light

  • Donor management and gift tracking for small nonprofitsnot OneCause
  • Segmenting constituents for appeals and mailingsnot OneCause
  • Online donation forms with pay-as-you-go processingnot OneCause

OneCause

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

Where each one falls short

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

Little Green Light

  • Pricing is driven purely by constituent record count, so inactive and lapsed records still raise the bill
  • The base plan is $45 per month for up to 2,500 constituents, rising to $135 per month at 50,000
  • Above 50,000 records each additional 10,000 tier adds $15 per month
  • An account is hard-capped at 200,000 constituent records
  • Online donation processing costs from 2.2% plus $0.30 per transaction to the payment processor
  • The 10% saving requires annual rather than monthly billing

OneCause

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

Pricing, plan by plan

Little Green Light

Free
  • Up to 2,500 constituents$45/month
  • Up to 5,000 constituents$60/month
  • Up to 10,000 constituents$75/month
  • Up to 20,000 constituents$90/month

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 Little Green Light if

  • You need donor database.
  • You want to start without paying.
  • You work on Web, Mobile-responsive.
  • You also want prospect tracking.
Little Green Light review

Choose OneCause if

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

OneCause review

Questions people ask

Is Little Green Light or OneCause better?
Neither clearly leads. Little Green Light 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, Little Green Light or OneCause?
Little Green Light has a free tier; the other does not. Paid plans start at Free for Little Green Light and On request for OneCause.
Does Little Green Light or OneCause run on more platforms?
Little Green Light runs on Web, Mobile-responsive. OneCause runs on Web.
Can I use Little Green Light for free?
Yes. Little Green Light has a free tier, so you can try it without paying. OneCause starts at On request.
What is Little Green Light best used for?
Little Green Light is most often used for donor management and gift tracking for small nonprofits, segmenting constituents for appeals and mailings, online donation forms with pay-as-you-go processing. Of those, donor management and gift tracking for small nonprofits and segmenting constituents for appeals and mailings are not what OneCause is typically brought in for.
What can Little Green Light do that OneCause cannot?
Little Green Light covers Donor database, Prospect tracking, Relationship management, Task management.

Answered from the vendors’ own pages

Little Green Light: How much does Little Green Light cost?

Little Green Light uses tiered pricing starting at $45/month for up to 2,500 constituents, scaling up to $135/month for up to 50,000 constituents. All tiers include unlimited users and all features. Annual prepayment offers a 10% discount.

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
Little Green Light: Is there a free trial for Little Green Light?

Yes, Little Green Light offers a 30-day free trial with no credit card required, giving full access to all platform features during the trial period.

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
Little Green Light: What additional fees does Little Green Light charge?

Online donation processing charges 2.2% plus $0.30 per transaction paid to the payment processor. There are no setup fees, cancellation fees, or contracts.

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
Share

Related pages

More on Little Green Light

More on OneCause

Keep looking

Other head to heads