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Marketing · head to head

Customer.io vs Funraise

Customer.io logo

Customer.io

Marketing

Data-driven messaging for teams getting started, scaling and beyond

From
On request
Rated
-
Full reviewWebsite
F

Funraise

Nonprofit & Fundraising

Nonprofit fundraising and donor management with revenue-based free tier

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Funraise has a free tier, so it costs nothing to try first.
  • Each has a real cost: Customer.io essentials plan caps at 5,000 profiles (people and objects) and 1,000,000 monthly emails, with overages billed at $0.12 per 1,000 emails beyond that; Funraise free plan is restricted to organizations raising under $1 million annually and carries a 5% platform fee on top of processing fees, as of August 2026

Where they differ

Only the attributes on which Customer.io and Funraise actually diverge.

Attributes where Customer.io and Funraise differ
AttributeCustomer.ioFunraise
Starting priceOn requestFree
Pricing modelsubscriptionfreemium
Free tierNoYes
CategoryMarketingNonprofit & Fundraising

Identical on both: platforms (Web), user rating (Not yet rated).

Where each one falls short

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

Customer.io

  • Essentials plan caps at 5,000 profiles (people and objects) and 1,000,000 monthly emails, with overages billed at $0.12 per 1,000 emails beyond that
  • Standard and Premium tiers show custom pricing only, and Enterprise is negotiated rate, so three of the four published tiers require a sales conversation
  • Monthly plans accept credit card only; annual billing via invoice (ACH/wire) requires the annual commitment

Funraise

  • Free plan is restricted to organizations raising under $1 million annually and carries a 5% platform fee on top of processing fees, as of August 2026
  • Wealth screening, SMS messaging and dedicated success manager access require the Premium plan starting at $99 per month, as of August 2026

Pricing, plan by plan

Customer.io

On request

No published plan breakdown. See the Customer.io review.

Funraise

Free

No published plan breakdown. See the Funraise review.

Which should you pick?

Choose Customer.io if

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

Customer.io review

Choose Funraise if

  • You want to start without paying.
Funraise review

Questions people ask

Is Customer.io or Funraise better?
Neither clearly leads. Customer.io starts at On request and Funraise at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Customer.io or Funraise?
Funraise has a free tier; the other does not. Paid plans start at On request for Customer.io and Free for Funraise.
Does Customer.io or Funraise run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Funraise for free?
Yes. Funraise has a free tier, so you can try it without paying. Customer.io starts at On request.
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Related pages

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