Best Auction Software: 10 Tools for Charity Galas, Silent Auctions and Auctioneers

Auction software now runs everything from a school silent auction to a commercial equipment sale. The right tool depends on who is bidding, how they bid and how you handle payment and receipts afterward.

This guide compares ten platforms from the SaaSPodium directory, split by audience. Each section summarizes deployment, listed company size and positioning, and links the directory profile for further comparison.

Two Kinds of Auction Software

Auction software falls into two groups: charity and silent auction tools used by nonprofits at fundraising events, and commercial auction platforms used by auctioneers selling goods. Pick the group first, because features and pricing differ sharply.

Charity tools handle item catalogs, mobile bidding, text outbid alerts, check-out and receipts. Commercial platforms handle consignment, lot management, live and timed sales, buyer registration and settlement. This guide covers both and flags the audience for each product. Browse the full Auction Software category for profiles.

Charity auctions carry tax paperwork. The IRS explains how donors and charities handle charity auctions and what acknowledgments are required, so check that your software can produce itemized receipts that separate fair market value from the deductible portion. Many teams also pair auction tools with Fundraising Software for donor records.

Features to Compare

The features that matter most are mobile bidding, item management, payment processing, receipts, reporting and support during the event. Ask how each tool behaves when guests have poor venue Wi-Fi.

• Bidding: mobile web or app bidding, proxy bids, buy-it-now and text alerts.
• Item management: photos, categories, starting bids, bid increments and donor credit.
• Check-out: card capture, fee coverage options and itemized receipts.
• Reporting: revenue by item, donor and bidder, plus exports to your CRM.
• Events: link with Event Planning Software for guest lists and seating.

To judge whether an auction pays off, compare net proceeds with costs:

Winning bids are the final hammer prices, item acquisition costs are what you paid for non-donated lots, and fees include subscription and card charges. For donated items, track fair market value separately for tax receipts.

BiddingOwl

BiddingOwl is a freemium auction platform listed for small nonprofits, offering free online and silent auctions. It is a low-risk place to start for schools, clubs and small charities with tight budgets.

SaaSPodium lists the tagline "Free online and silent auction software for nonprofits." See BiddingOwl.

• Architecture: cloud with iOS and Android support per the listing.
• Fit: small nonprofits and school fundraisers.
• Consideration: confirm which features and fees apply on the free plan.

Givebutter

Givebutter is a free fundraising platform listed for small and medium organizations, with an auctions product. It suits nonprofits that want auctions, donations and ticketing in the same tool.

The tagline is "Free fundraising software for nonprofits." The vendor page is Givebutter Auctions, and the directory profile is Givebutter.

• Architecture: cloud with mobile support per the listing.
• Fit: organizations combining donations, events and auctions.
• Consideration: understand how the platform covers its costs, such as optional tips or payment fees.

Auctria

Auctria is a paid auction platform listed for small organizations, aimed at making fundraising auctions easy to run. It suits volunteer-run events that want a straightforward setup.

Tagline: "Easy to use auction software for your fundraising event." See Auctria.

• Architecture: cloud with mobile support per the listing.
• Fit: small galas, school events and club fundraisers.
• Consideration: confirm plan limits by event size.

CharityAuctionsToday

CharityAuctionsToday is a paid cloud tool for running online or silent charity auctions, listed for small and medium organizations. It fits teams that want a dedicated auction product without a full fundraising suite.

Tagline: "The easiest way to run an online or silent auction." See CharityAuctionsToday.

• Architecture: cloud with mobile support per the listing.
• Fit: small and mid-size charities.
• Consideration: check pricing per auction versus annual plans.

Silent Auction Pro

Silent Auction Pro is a paid platform for fundraising auctions, listed for small and medium organizations. It positions itself as complete auction software for events.

Tagline: "Complete auction software for fundraising events." See Silent Auction Pro.

• Architecture: cloud with mobile support per the listing.
• Fit: recurring annual galas needing item and bidder management.
• Consideration: compare check-out and receipt features in a demo.

Handbid

Handbid is a paid mobile bidding and fundraising platform for small and medium organizations. It is built around guests bidding from their phones during live events.

Tagline: "Mobile bidding and fundraising software." See Handbid.

• Architecture: cloud with iOS and Android support per the listing.
• Fit: live and hybrid events where phone bidding drives participation.
• Consideration: ask about on-site support and hardware needs.

BidPal

BidPal, from OneCause, is a paid mobile bidding and fundraising product for small and medium organizations. Teams that want a mobile-first experience with a larger vendor behind it often shortlist it.

Tagline: "Mobile bidding and fundraising." See BidPal.

• Architecture: cloud with mobile support per the listing.
• Fit: mid-size charity galas.
• Consideration: compare with OneCause to understand overlap.

OneCause

OneCause is a paid fundraising platform listed for medium and enterprise organizations, with auction and mobile bidding capabilities. It fits larger nonprofits that run multiple event types and want integrated reporting.

Tagline: "Powerful fundraising software." See OneCause.

• Architecture: cloud with mobile support per the listing.
• Fit: larger nonprofits with complex event programs.
• Consideration: expect a more involved sales and onboarding process.

Proxibid

Proxibid is a paid online marketplace connecting auctioneers with bidders, listed for medium and enterprise sellers. It is a commercial platform, not a charity event tool.

The tagline is "The most trusted online marketplace for highly valued items." See Proxibid.

• Architecture: cloud with mobile support per the listing.
• Fit: auction houses reaching online buyers for equipment, collectibles and similar lots.
• Consideration: review seller fees and buyer premium structures.

Auction Flex

Auction Flex is a paid auction management product for auctioneers, listed for small and medium businesses and available for Windows and the web. It targets commercial auction operations that manage consignors, lots and settlements.

Tagline: "Auction software for auctioneers." See Auction Flex.

• Architecture: Windows software and cloud per the listing.
• Fit: professional auction houses.
• Consideration: confirm online bidding and accounting integrations.

How We Chose These Tools

We included all ten auction products currently listed in the SaaSPodium directory and noted their audience, deployment and positioning. Ratings and published prices are not yet available in our data, so we avoid rankings and quoted costs.

Before committing, request a demo with your own item list and test bidding on a phone over a weak connection.

How to Choose Auction Software

Match the software to the event. A one-night school silent auction needs a free or low-cost tool, an annual gala with hundreds of guests benefits from on-site support, and commercial auctioneers need consignment and settlement features.

1. Define the format: silent, live, online-only or hybrid.
2. Estimate bidder count and item volume.
3. Check fee models: subscription, per-event or percentage of proceeds, plus card fees.
4. Run a mock auction with staff on their own phones.
5. Confirm receipts meet donor acknowledgment rules; see IRS guidance on written acknowledgments.

Frequently Asked Questions

How much does auction software cost?
Costs range from free plans such as BiddingOwl and Givebutter to paid platforms that charge per event, by subscription or through fees on proceeds. Always add card processing fees and any on-site support charges when comparing totals.

Can we run a silent auction without special hardware?
Yes. Most modern tools let guests bid from their own phones through a web link or app, so you need little beyond reliable internet. Test connectivity at the venue and have a paper or tablet fallback for guests without phones.

What is the difference between charity auction software and commercial auction software?
Charity tools focus on donated items, mobile bidding and donor receipts. Commercial platforms focus on consignors, lots, buyer registration and settlement, so nonprofits and auction houses should shortlist from different parts of this list.