Tools7 min read

Event Platform Fees Explained: What You're Actually Paying

Platform fees, payment processing fees, and per-attendee charges — here's how to calculate the real cost of your event registration software before you commit.

Most event platforms advertise a monthly price. Most of them make the bulk of their money on per-ticket fees. Before you choose a platform, you need to understand all three fee types — and how they stack on top of each other.

The Three Fee Types

Platform or service fee. This is a percentage of each ticket sale, charged by the event platform itself. It typically ranges from 0.5% to 3.5% of the ticket price, sometimes plus a flat per-ticket amount (e.g., $1.79 per ticket). This fee goes to the platform, not the payment processor.

Payment processing fee. Separate from the platform fee, this goes to the payment processor (typically Stripe). The standard rate is 2.9% + $0.30 per transaction. You pay this regardless of which platform you use — it is the cost of accepting credit cards.

Monthly subscription fee. Some platforms charge a flat monthly or annual fee to use the software, in addition to or instead of per-ticket fees. Flat-fee pricing tends to be more predictable for organizations that run multiple events per year.

These three fees stack. On a $50 ticket sold through a platform charging 3% + $1.79/ticket, plus payment processing, you might lose $4.24 per ticket before the money reaches you.

How to Do the Math

Here are two worked examples comparing per-ticket pricing against flat monthly pricing.

Example 1 — Nonprofit gala, 200 paid tickets at $75

Gross revenue: $15,000

Per-ticket platform (3% + $1.79/ticket): $450 + $358 = $808 in platform fees. Payment processing (2.9% + $0.30/transaction): $435 + $60 = $495. Total fees: $1,303. Net to organization: $13,697.

Flat monthly platform ($99/mo + 1% fee): $99 + $150 = $249 in platform costs. Payment processing: same $495. Total: $744. Net to organization: $14,256.

The flat monthly model keeps $559 more — more than five times the cost of the monthly subscription.

Example 2 — Association conference, 400 tickets at $150

Gross revenue: $60,000

Per-ticket platform (3% + $1.79/ticket): $1,800 + $716 = $2,516 in platform fees. Payment processing: $1,740 + $120 = $1,860. Total fees: $4,376.

Flat monthly platform ($249/mo + 0.5% fee): $249 + $300 = $549 in platform costs. Payment processing: same $1,860. Total: $2,409. Net difference: $1,967 more stays with the organization.

Flat Fee vs. Per-Ticket: Which Is Better for Your Org

Per-ticket pricing looks attractive when you are running one small free event and testing a platform. The upfront cost is zero.

It becomes expensive quickly. The more tickets you sell — and the higher your ticket prices — the more you pay. For organizations that run events consistently throughout the year, per-ticket pricing almost always costs more annually than a flat subscription.

Flat monthly pricing is more predictable. Your budget knows what the platform costs regardless of how many tickets you sell. It also changes the incentive structure: a platform charging per-ticket has an incentive to raise fees over time. A platform on flat subscription pricing is incentivized to make you run more events successfully.

What to Watch Out For

Fees passed to attendees. Some platforms let you pass the platform fee to the buyer at checkout — so the attendee sees a $75 ticket become $78.99. This reduces your cost but adds friction. Attendees notice the difference, and some abandon the purchase. If your goal is maximizing donations or ticket revenue, checkout friction works against you.

Annual contracts. A one-year contract on a platform you have never used is a risk. Look for monthly billing with the option to pay annually for a discount — not mandatory annual commitment.

Fees on free events. Some platforms charge a per-attendee fee even when your event is free. If you run free community events alongside paid ones, confirm that free registrations do not incur platform charges.

Hidden setup or overage fees. Read the pricing page carefully for attendee caps, team member limits, or feature gates that trigger upgrade costs.

See how CompleteEvent's pricing works — flat monthly fee, low platform fee on paid tickets, no annual contract required.

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