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Overflow

Stock, crypto and donor-advised fund giving for churches and nonprofits, priced per gift type

As of 1 September 2026, Overflow starts at $50/month. A giving platform built around non-cash assets. Softwr lists it under Religion. Overflow is available on Web, iOS, Android.

Overview

What Overflow does

Overflow is a donation platform for churches and nonprofits that specialises in non-cash giving: publicly traded stock, cryptocurrency, donor-advised fund grants, ACH and cards, plus round-up giving. Donors connect a brokerage account and transfer shares in a few steps rather than filling in a paper stock transfer form, and the organisation receives cash after liquidation with the gift already attributed to the donor record. The commercial logic is tax, not technology. A donor who sells appreciated stock and donates the proceeds pays capital gains tax first; a donor who transfers the shares does not, which means the same after-tax cost to the donor produces a larger gift. Historically the friction of processing a stock gift was so high that only major donors bothered, and finance teams handled each one manually. Overflow reduces that to a self-service flow, which is why churches use it to open a giving channel they previously only offered to the top of the file. Pricing is published and varies sharply by asset. The Foundation plan is 50 US dollars a month with cards at 2.75 percent plus 30 cents, ACH at 0.50 percent plus 20 cents, stock and DAF transfers between 1 and 3 percent depending on route, and crypto carrying an additional 3 percent. Growth and Enterprise plans negotiate the rates down. The trade-off is that Overflow is a giving channel rather than a church management system, so it sits alongside your existing ChMS and adds a second reconciliation to the finance workflow.

What people use it for

  • A church wanting to accept appreciated stock without the finance team processing each transfer by hand
  • A capital campaign where major donors are more likely to give assets than cash
  • A nonprofit that keeps being offered donor-advised fund grants and has no clean way to receive and attribute them
  • Adding crypto giving for a younger donor base without holding the asset or managing a wallet

The honest half

Where it falls short

Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Overflow.

  • Crypto carries a 3 percent fee on top of the base rate, which makes it the most expensive channel on the platform at exactly the point where donors expect it to be cheap.
  • Card processing at 2.75 percent plus 30 cents on the entry plan is above what a church can get from a dedicated church giving processor, so using Overflow for routine weekly giving costs more than it should.
  • It is a giving channel, not a church management system, so contributions must be reconciled into your existing ChMS and finance software, adding a second monthly close step.
  • Stock and DAF fees are quoted as a 1 to 3 percent range with the actual rate depending on transfer route, so an organisation cannot forecast net proceeds precisely before the gift settles.
  • Non-cash gifts settle over days rather than instantly, and the amount received depends on the price at liquidation, so the receipted value and the cash landed will not match.

Cross-shopped

What people choose instead of Overflow

Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.

  • Overflow logo
    Overflow
    vs
    Tithe.ly logo
    Tithe.ly

    Tithe.ly: A cheaper option for routine card and ACH church giving without non-cash assets

  • Overflow logo
    Overflow
    vs
    Pushpay logo
    Pushpay

    Pushpay: A larger church giving platform with deeper ChMS ties but no stock or crypto flow

  • Overflow logo
    Overflow
    vs
    Givelify logo
    Givelify

    Givelify: Mobile-first giving for churches where simplicity matters more than asset types

Pricing

What Overflow costs

Taken from the vendor's own pricing page. Prices move, so check before you buy.

Foundation

$50 /mo

  • All giving methods including stock, crypto and DAF
  • Cards from 2.75 percent plus 0.30 USD
  • ACH at 0.50 percent plus 0.20 USD
  • Stock and DAF between 1 and 3 percent
  • Crypto adds 3 percent
  • Donor dashboard and tax statements

Growth

On request

  • Reduced processing rates by volume
  • Dedicated onboarding and account management
  • Token vaulting for recurring donors
  • Custom pricing

Enterprise

On request

  • Custom rate structure for multi-site organisations
  • Strategic support
  • Custom pricing

Capabilities

Features

  • Stock donation flow

    Donors transfer appreciated shares from a linked brokerage without paper forms

  • Cryptocurrency giving

    Accepts major cryptocurrencies with automatic liquidation, at an additional 3 percent

  • Donor-advised fund grants

    DAF recommendation flow inside the same giving page

  • Card and ACH giving

    Standard recurring and one-off giving with ACH at a substantially lower rate

  • RoundUps

    Rounds up linked card purchases and donates the difference

  • Tax receipting

    Generates contribution statements including valuation for non-cash gifts

Answered, with sources

Questions people ask

Each answer names the page it came from, so you can check it rather than take our word for it.

What does Overflow cost?

Foundation is 50 USD a month. Cards start at 2.75 percent plus 0.30, ACH at 0.50 percent plus 0.20, stock and DAF at 1 to 3 percent, and crypto adds 3 percent.

Why give stock instead of cash?

Transferring appreciated shares avoids the capital gains tax the donor would pay on selling first, so the same after-tax cost produces a larger gift.

Does Overflow replace our church management system?

No. It handles giving only and integrates with your existing ChMS.

Do we hold the cryptocurrency?

No. Crypto gifts are liquidated and remitted as cash, so the organisation does not carry price risk after settlement.

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Softwr does not host reviews and shows no star rating for Overflow, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.

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