Stripe vs PayPal vs Square 3-Way Fee Comparator (2026)
Side-by-side merchant fee analysis for credit card processing. Compare net payouts, international surcharges, and find the lowest fee processor.
You save $3.14 per $500 transaction by choosing the lowest-fee processor over the most expensive option.
Stripe
2.9% + $0.30 onlinePayPal Commerce
3.49% + $0.49 standardSquare Online
2.9% + $0.30 onlineStripe vs. PayPal vs. Square: 3-Way Merchant Processor Comparison (2026)
A side-by-side fee audit comparing online checkouts, in-person POS tap rates, micropayments, international card surcharges, and payout speeds.
For standard domestic online credit card checkouts, Stripe and Square tie at 2.9% plus $0.30, while PayPal Commerce is higher at 3.49% plus $0.49. For in-person point-of-sale retail, Square is the undisputed winner at 2.6% plus $0.10. For low-ticket digital micropayments under $10, PayPal Micropayments (5% plus $0.05) is the most cost-effective solution on the market.
Core Feature & Surcharge Comparison Across the Big Three
- • Best for: SaaS, developers, custom checkouts
- • Online: 2.9% + $0.30
- • In-Person: 2.7% + $0.05
- • ACH Bank Debit: 0.8% capped at $5.00
- • Payout: 2 business days (rolling)
- • Best for: Global brand trust, buyer recognition
- • Online: 2.99%–3.49% + $0.49
- • Micropayments: 5.0% + $0.05 (Under $10)
- • Cross-Border: +1.5% + 3–4% FX spread
- • Payout: 1–3 business days or instant
- • Best for: Retail POS, food & beverage, pop-ups
- • In-Person: 2.6% + $0.10
- • Online: 2.9% + $0.30
- • Keyed-in: 3.5% + $0.15
- • Payout: Free next-business-day
Data Table: 3-Way Net Payout Benchmark on a $100 Transaction
| Processor & Rail | Gross Sale | Fee Deducted | Net Deposited | Effective % |
|---|---|---|---|---|
| Stripe Online Card | $100.00 | $3.20 | $96.80 | 3.20% |
| Square In-Person Tap | $100.00 | $2.70 | $97.30 | 2.70% (Cheapest) |
| PayPal Online Checkout | $100.00 | $3.48 | $96.52 | 3.48% |
| PayPal Invoicing API | $100.00 | $3.98 | $96.02 | 3.98% |
Technical Breakdown & Formula Specifications
Transparent mathematical reference and standardized volume benchmarks
Mathematical Formula & Calculation Logic
Direct mathematical comparison across Stripe (2.9% + $0.30), PayPal (3.49% + $0.49), and Square (2.9% + $0.30) to pinpoint the exact payout differential per transaction volume.
Standard Transaction Volume Tiers
Compare expected deductions across typical commercial ticket sizes
| Gross Transaction | Deductions | Net Received | Effective Rate |
|---|---|---|---|
| $100.00 | -$2.90 | $97.10 | 2.90% |
| $500.00 | -$14.80 | $485.20 | 2.96% |
| $2,500.00 | -$72.80 | $2,427.20 | 2.91% |
| $10,000.00 | -$290.30 | $9,709.70 | 2.90% |
Stripe vs PayPal vs Square — Frequently Asked Questions
Authoritative answers to common questions, regulatory rules, and compliance guidance.