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Nonprofits · head to head

Little Green Light vs Mightycause

Little Green Light logo

Little Green Light

Nonprofits

Affordable donor management for small nonprofits

From
Free
Rated
-
Full reviewWebsite
Mightycause logo

Mightycause

Nonprofits

Fundraising platform for nonprofits and causes

From
Free
Rated
-
Full reviewWebsite

The short version

  • 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; Mightycause no paid tiers or premium upgrade options available
  • They diverge on capability: Little Green Light covers Donor database, Mightycause covers Campaign creation.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Little Green Light and Mightycause actually diverge.

Attributes where Little Green Light and Mightycause differ
AttributeLittle Green LightMightycause

Identical on both: starting price (Free), pricing model (subscription), free tier (Yes), platforms (Web, Mobile-responsive), user rating (Not yet rated), category (Nonprofits), founded (2008).

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
  • Google Drive

Only in Mightycause

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

Both cover

  • PayPal
  • Stripe
  • Web support
  • Mobile-responsive support

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 Mightycause
  • Segmenting constituents for appeals and mailingsnot Mightycause
  • Online donation forms with pay-as-you-go processingnot Mightycause

Mightycause

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

Mightycause

  • No paid tiers or premium upgrade options available

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

Mightycause

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

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 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

Questions people ask

Is Little Green Light or Mightycause better?
Neither clearly leads. Little Green Light starts at Free and Mightycause at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Little Green Light or Mightycause?
Little Green Light starts at Free and Mightycause at Free.
Does Little Green Light or Mightycause run on more platforms?
Both run on Web, Mobile-responsive, so platform support will not decide this one for you.
Can I use Little Green Light for free?
Both have a free tier, so you can try either at no cost before committing.
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 Mightycause is typically brought in for.
What can Little Green Light do that Mightycause cannot?
Little Green Light covers Donor database, Prospect tracking, Relationship management, Task management. Mightycause covers Campaign creation, Donation collection, Email campaigns, Donation tracking. Both handle PayPal, Stripe, Web support, Mobile-responsive support.

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
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
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
Mightycause: Is Mightycause free forever?

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

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
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
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