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Best Point of Sale System for Nonprofits in 2026: Zeffy vs Square vs PayPal Zettle
June 5, 2026
⚡TL;DR — The Short Answer
Verdict: Zeffy is the only point of sale system architected from day one for nonprofits, with $0 in platform, transaction, and credit card processing fees, Tap to Pay on iPhone and Android, and built-in donor CRM and tax receipts.
What works: Zero fees on every in-person tap; no card reader or hardware required; automatic IRS-compliant donation receipts; built-in donor CRM and event ticketing; works for events, churches, merch tables, and walk-up donations.
What doesn't: No retail-grade inventory management; US and Canada only; requires an internet connection.
Best for: Nonprofits and churches that want $0 fees and a hardware-free in-person giving solution.
Worth considering if: Your org runs a thrift store or gift shop that needs SKU-level inventory (Square), or you are already deep in the PayPal ecosystem and need an occasional in-person reader (PayPal Zettle).
Choosing a point of sale system for your nonprofit isn't like picking a retail POS. Most "POS for nonprofits" lists are retail software with a nonprofit discount slapped on top. Square, PayPal Zettle, and the rest were architected for stores, where 2.6% + 10¢ is just a normal cost of doing business. Nonprofits aren't stores. Every per-transaction cut a "free POS app" takes is a donation that never reaches the mission. This guide compares the three POS systems small US nonprofits and churches actually consider in 2026, and explains why only one of them was built from day one for fundraising.
At a glance: best nonprofit POS systems compared
Three POS systems show up on almost every shortlist a small US nonprofit considers in 2026. Here is how they line up on the things that actually move fundraising economics: per-swipe fees, hardware cost, automatic tax receipts, donor CRM, and event ticketing.
Platform
In-person fee
Monthly fee
Hardware cost
Automatic tax receipts
Donor CRM
Event ticketing
Zeffy POS
$0
$0
$0 (Tap to Pay on iPhone or Android)
Yes, IRS-compliant, automatic
Yes, built in
Yes, built in
Square
Standard retail processing rates apply, no nonprofit discount
$0 for the basic POS app
Optional Square Reader or Terminal (commonly cited $59 and $299)
No, manual workaround or third-party integration
No, retail customer records only
Add-ons or third-party tools
PayPal Zettle
2.29% + 9¢ via Zettle reader
$0
Zettle Reader $29 first device (additional readers $79)
No, manual handling required
No donor profiles
Not built in
Read that table the way a treasurer would. Every dollar a competitor takes on a $25 in-person card swipe is a dollar that doesn't reach your mission. Zeffy is the only row where the in-person fee, monthly fee, and hardware cost are all $0, and the only row where receipts and donor records show up without a separate integration. The rest of this guide goes deep on each platform and then explains how to choose.
1. Zeffy POS: the only POS architected from day one for nonprofits
Zeffy POS is the only point of sale system for nonprofits that charges $0 in fees. The Zeffy POS System runs as a Tap to Pay for nonprofits app on iPhone or Android, with no card reader required, which makes Zeffy Point of Sale the only nonprofit-native option in this comparison. Accepting a payment is as simple as a tap on the phone already in your volunteer's pocket.
Verdict: The only POS architected from day one for nonprofits. $0 fees, no card reader required, Tap to Pay on the phone in your volunteer's pocket, with receipts and CRM built in.
Zeffy was created to break the mold for nonprofit payments. As Thibaut Jaurou, Zeffy's co-founder and CTO, puts it:
For too long, the technology offered to nonprofits was way behind that of other, for-profit industries. Zeffy was founded to reverse that paradigm.
That means trusted by 100K+ nonprofits, $2B+ raised, and $0 in fees on every in-person card tap. 100% of the money you raise goes to your cause. No platform fee, no transaction fee, no credit card fee. Ever.
Key features for nonprofits
No hardware needed. Zeffy's Tap to Pay POS app works directly from any iPhone or Android phone, with no card reader or terminal required.
Generates easy reports for board meetings, grant documentation, and treasurer reconciliation.
100% web and mobile based with no software or setup fees, and no paid "Pro" tier (the free tier is the only tier).
Where Zeffy POS fits
Fundraising events. Take a card payment at the registration table, the bake sale booth, or the bar, without a terminal.
Merchandise tables. Sell t-shirts, books, and branded merch with digital receipts.
Walk-up donations. A donor with no cash can still tap a card on a volunteer's phone in seconds.
Ticketing at the door. Box office in the palm of your hand: scan pre-sold tickets and sell new ones on the spot.
Churches and houses of worship. A volunteer's phone becomes the giving terminal at services, retreats, and community events, with automatic receipts for tithes and gifts.
Considerations for nonprofits
Currently available in the US and Canada only.
Tap to Pay requires an internet connection on the volunteer's phone.
No retail-grade inventory management. No SKU forecasting, no purchase orders, no barcode label printing. Zeffy is the right fit for events, merch tables, walk-up donations, ticketing, and church giving, not for high-volume thrift stores with complex inventory.
No bundled hardware. Zeffy does not sell, lease, or rent card readers, terminals, or kiosks. The phone is the hardware.
Pricing and hardware
In-person processing fee: 0% (Zeffy covers platform and processing; see how Zeffy is free)
Online donation processing fee: 0%
Monthly fee: $0
Hardware: None. Use the iPhone or Android phone you already own.
Feedback from real nonprofits
As a new nonprofit caring for our community, every penny counts. Zeffy has been an incredible partner along our journey, and now, with Tap to Pay, gives us even more freedom to be creative in that care. Tap to Pay made it so easy for us to sling those hotdogs at our event and feed the queer community in Indianapolis while raising money for our organization. We loved connecting with each person in a more personal way. — Daniel Stec, President and Co-Founder, Y'all
Zeffy has been a great partner. Constantly offering suggestions on how to best use the platform. I have tried almost all of the features. I love that it keeps coming up with new things to support nonprofits. I saw it announced being able to take tap pay from your phone. That is amazing not to have to purchase another device. — Athenia R, Executive Director
2. Square: strong retail tool, not built for nonprofit fundraising flows
Square is the brand most people picture when they think of a card reader. It is a serious retail tool: easy to set up, deep inventory features, a polished mobile app, and a free POS layer. The catch for nonprofits is that Square was never designed around a donation. It was designed around a sale.
Verdict: Square charges standard retail processing rates on nonprofits with no built-in donation receipts or donor records. Strong retail tool, just not built for nonprofit fundraising flows.
Key features
Free POS app with inventory tracking and sales reporting.
Accepts credit and debit cards, Apple Pay, and Google Pay.
Online store capabilities for selling branded merchandise.
"Donation" can be set up as a custom button or item, but is treated like any other line item.
Digital or printed receipts at checkout.
Considerations for nonprofits
No built-in donor management. Square stores retail customer records, not donor profiles tied to giving history.
No automatic IRS-compliant tax receipts. Donation receipts have to be created manually or generated by a third-party integration.
Donation tracking requires manual exports or a separate CRM sync.
Nonprofit-specific reporting (LYBUNT/SYBUNT, soft credits, recurring giving cohorts) is not native and typically requires add-ons.
Pricing and hardware
In-person processing fee: Standard retail processing rates apply, with no nonprofit discount. Confirm the current rate on squareup.com before standardizing on Square for your fundraising.
Online store and donation page processing fee: Standard online retail rates apply.
Hardware: The Square POS app is free, but contactless tap requires a Square Reader (commonly cited around $59) or a Square Terminal (commonly cited around $299); the magstripe-only reader is commonly cited around $10.
3. PayPal Zettle: easy in-person reader for PayPal-native orgs, no donor receipts or CRM
If your nonprofit already runs on PayPal, with donations landing in a PayPal balance, your treasurer paying vendors out of PayPal, and your online giving page running through a PayPal button, then Zettle is the path of least resistance to taking cards in person. It is a mobile reader and app that plug into the PayPal account you already have. The downside is that Zettle is a retail product first, and a nonprofit tool a distant second.
Verdict: PayPal Zettle gives PayPal-native nonprofits an easy in-person reader, but funds land in PayPal with no built-in donation receipts, no donor CRM, and no recurring-giving surface.
Key features
Syncs with PayPal for easy access to funds.
Accepts chip cards, contactless payments, Apple Pay, and Google Pay.
Basic product catalog and sales tracking inside the Zettle dashboard.
You can create a "donation" item or button.
Supports multilingual receipts and tipping.
Considerations for nonprofits
No automatic donation receipts. Tax-receipt tracking has to be handled manually.
No donor CRM. Zettle records products and sales, not donors.
Funds deposit into a PayPal account, which may require additional setup before they reach your bank.
The Zettle dashboard can feel basic for orgs running ticketed events or recurring giving.
Pricing and hardware
In-person processing fee: 2.29% + 9¢ via the Zettle reader.
Hardware: Zettle Reader is $29 for the first device; additional readers are $79.
How to choose the right point of sale system for your nonprofit
Percentages feel abstract. Real program losses don't. Here is a fast decision framework based on what your nonprofit actually does:
If you need zero fees on every in-person card tap, Zeffy POS is your answer.
If your church passes the offering plate or runs collection at services, retreats, or community events, Zeffy POS fits naturally. Tap to Pay on a volunteer's phone replaces the terminal entirely.
If you run a thrift store, gift shop, or merch operation that needs SKU-level inventory management and you have already accepted retail processing rates as a cost of doing business, Square is the stronger fit.
If your org is deep in the PayPal ecosystem and you mostly need to accept the occasional in-person card, PayPal Zettle is the path of least resistance.
If you run ticketed events such as a gala, benefit dinner, or community concert, and want the box office on the same phone that takes donations, Zeffy POS with event ticketing from the same app handles both in one place.
Real nonprofits using POS systems
The right test for any nonprofit POS is whether it gets out of the way during an event. The Y'all and Athenia R quotes above capture that moment in their own words. And from Franois de Kerret, Zeffy co-founder and CEO, on why the product exists in the first place:
Zeffy's here to empower nonprofits to raise more by charging 0% in fees. We made this possible online, but nonprofits still had to purchase expensive devices and pay fees of 3% or more to accept in-person donations. Tap to Pay is a significant innovation for nonprofits that want to eliminate costs and replace in-person cash and cheque donations.
Key features every nonprofit POS should have
Most "best POS" lists are written for retailers. When you read them as a nonprofit, the feature priorities shift. Here is the checklist that actually matters when the goal is fundraising, not selling sneakers.
$0 platform and processing fees on donations. Every percentage point a POS takes is a dollar your mission doesn't see. Zeffy is the only platform in this comparison where this row is a yes.
Automatic IRS-compliant donation receipts. Your treasurer should not be hand-building receipts after every event. Automatic IRS-compliant donation receipts need to fire the moment a card is tapped.
Built-in donor CRM. An in-person gift should land in the donor's profile, not in an anonymous retail customer record. A built-in donor CRM turns a one-time event into a long-term relationship.
Event ticketing in the same app. Selling tickets online, scanning them at the door, and taking add-on donations should all happen on the same phone. Event ticketing from the same app avoids the "three logins on event night" problem.
Hardware-free, mobile-first option. A volunteer should be able to take a card tap on their own phone, with no terminal to lose and no reader to forget.
Apple Pay and Google Pay acceptance. Digital wallets are how a growing share of donors actually carry money. Apple Pay and Google Pay support should be table stakes.
Nonprofit-grade reporting. Board reports, grant documentation, and recurring-giving cohorts need to come out of the same system as the card swipes.
What is a nonprofit POS system and why do you need one?
A nonprofit point of sale system is software that processes in-person card payments (and often online ones) on top of features built specifically for fundraising: donation tracking, automatic tax receipts, donor profiles, event ticketing, and reporting that maps to how nonprofits actually account for revenue.
That is meaningfully different from a retail POS. Card readers are built for retail stores, not small nonprofits. Retail POS software is built for stores where profit, taxes, and fees are all a normal part of the game. Nonprofits operate differently.
Nonprofit POS vs retail POS
Nonprofit POS
Retail POS
Primary purpose
Process donations and sales in service of a mission
Process product sales and manage inventory
Donation support
Built-in tools for one-time and recurring donations
Not included; must be created manually or with add-ons
Event ticketing
Often built in (registration, scanning, add-on donations)
Not native; designed for retail promotions
Fundraising integrations
Syncs with online donation forms and fundraising tools
Rarely includes native fundraising integrations
Fee structure
Can be $0, as with Zeffy
Standard transaction fees apply
Hardware
Often hardware-free and mobile-first (Tap to Pay)
Typically requires card readers, terminals, and stations
The illustrative fee math
Here is a quick illustrative calculation, not an industry benchmark. A nonprofit processing $50,000 a year in in-person card payments on a standard 2.6% retail POS could lose around $1,300 a year to processing fees. That money does not show up on a donor receipt. It does not show up in a grant report. It just disappears into the processor. On Zeffy, that same $50,000 stays with the mission, because Zeffy's in-person processing fee is $0.
The best payment system for nonprofits is one that handles donations and sales in the same place, automatically generates IRS-compliant tax receipts, ties every transaction to a donor profile, and keeps fees as low as possible. Zeffy is purpose-built for nonprofits and charges 0% in platform, transaction, and credit card processing fees, which is why it ranks first in this guide.
Square offers a free POS app and dashboard, so there is no monthly software fee. However, standard retail processing rates apply to every in-person and online transaction, with no nonprofit discount. Square also does not include built-in donor CRM or automatic IRS-compliant tax receipts, so most nonprofits end up bolting on additional tools to fill those gaps.
Yes. Zeffy is the only point of sale system that doesn't charge nonprofits any fees on in-person or online payments. 0% processing fees, no hardware requirement, no monthly charges. Zeffy is funded by optional donor contributions, so nonprofits keep 100% of every dollar raised.
A payment processor is the plumbing that moves a card payment from a donor's bank to your nonprofit's bank. A POS (point of sale) system is the software the volunteer actually touches: it captures the donation amount, takes the tap, sends the receipt, and records the transaction against a donor profile and an event. Most nonprofit POS systems include processing as part of the package. Zeffy bundles both and charges 0% on each.
Technically yes, and many small nonprofits start there. The trade-off is that retail POS systems treat every transaction as a sale, not a donation. There is no automatic IRS-compliant receipt, no donor CRM tying gifts to donor history, and standard processing fees apply on every swipe. A nonprofit-native POS removes those gaps and the fee drag.
With Tap to Pay, the volunteer's iPhone or Android phone becomes the card reader. There is no terminal to set up, no reader to charge, and no kiosk to ship. A donor taps their card or digital wallet against the back of the phone, the donation processes in seconds, and an automatic tax receipt lands in their inbox. On Zeffy, the processing fee on that tap is $0.
Yes, and a Tap to Pay POS is a strong fit for the way churches actually collect. Volunteers can take card and digital wallet contributions during the offering, at retreats, at community fundraisers, or at a welcome table on Sunday morning, all from the phone in their pocket. Automatic IRS-compliant receipts go out for tithes and one-time gifts, which means treasurers don't spend Monday morning rebuilding receipts by hand. Zeffy POS is free for churches and faith-based 501(c)(3) organizations, with $0 in platform, transaction, and credit card processing fees.
Look for people who attend related events, follow relevant Facebook groups, or subscribe to aligned newsletters.These aren’t just potential donors—they’re your future advocates.
Look for people who attend related events, follow relevant Facebook groups, or subscribe to aligned newsletters.These aren’t just potential donors—they’re your future advocates.
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