Cash App Business vs Square fees in 2026: What US merchants actually pay

Square lowers payment processing rates as merchants upgrade subscription tiers. Both platforms belong to Block, but merchants outgrowing basic payment collection eventually adopt structured Square plans to reduce transaction fees. Square Free costs $0 per month per location. Square Plus requires $49 per month per location, and Square Premium demands $149 per month per location. Retailers often compare Chase Payment Solutions vs Square processing fees to see if traditional merchant accounts beat these standard SaaS tiers.

For card-present transactions, Square Free charges 2.6% + $0.15, Square Plus charges 2.5% + $0.15, and Square Premium drops to 2.4% + $0.15. Online card processing starts at 3.3% + $0.30 on Square Free. Square Plus and Square Premium cut online rates to 2.9% + $0.30. Invoicing via ACH bank transfer costs 1% with a $1 minimum on Square Free. Square Plus and Square Premium cap ACH invoice fees at $10.

At $25,000 in monthly credit card volume with a $50 average sale, Square's all-in annual cost ranges from $8,100 on Square Premium card-present to $10,500 for online processing. That creates a $2,400 annual spread between the cheapest and most expensive configurations. When merchants evaluate Cash App Business against Square, finding true cost parity requires checking if software subscription fees wipe out per-transaction processing discounts. To see how these fixed rates stack up against traditional pricing, you can evaluate the Square vs Helcim pricing model.

At $10,000 in monthly volume (200 credit card transactions at a $50 average sale), card-present processing costs $290 per month ($3,480 per year) on Square Free. That yields a 2.9% effective rate. Upgrading to Square Plus costs $280 per month ($3,360 per year) for a 2.8% effective rate. Square Premium costs $270 per month ($3,240 per year) for a 2.7% effective rate. Online processing across all three plans costs $350 per month ($4,200 per year), forcing a 3.5% effective rate. The total spread between setups at $10,000 monthly volume is $960 per year.

At $25,000 in monthly volume (500 credit card transactions at a $50 average sale), card-present costs on Square Free hit $725 per month ($8,700 per year) at a 2.9% effective rate. Square Plus requires $700 per month ($8,400 per year) at a 2.8% effective rate. Square Premium totals $675 per month ($8,100 per year) at a 2.7% effective rate. Online card transactions cost $875 per month ($10,500 per year) across Free, Plus, and Premium tiers. This 3.5% effective rate produces the massive $2,400 annual spread between options.

Square increased its US in-person card-present transaction fee on November 4, 2025. The processor raised the flat per-transaction fee component from 2.6% + $0.10 to 2.6% + $0.15 for US merchants. The percentage portion remained unchanged, but this five-cent hike directly impacts merchants moving lower ticket sizes. You can audit the Square 2026 fee increase to measure exactly how this policy change inflates your monthly statement.

Published catalog rates rarely reveal what US merchants pay in practice. Across the merchant statements Parity analyzes, Square's real-world observed blended effective rate sits at 2.78% based on 2 observations. Merchants calculating true Chase vs Square processing costs must account for total card mix and transaction channel distribution rather than relying on standard website quotes.

Square's flat-rate processing model charges a predictable markup over true US card network interchange rates. This structure trades cost efficiency for simplified billing. Wholesale card network rates vary sharply by card type. Visa US Visa Debit CPS Regulated carries an interchange rate of 0.05% + $0.22, and Mastercard US Mastercard Debit Regulated matches at 0.05% + $0.22. Credit card interchange rates run higher. Visa US Visa Credit CPS Retail costs 1.51% + $0.10, and Mastercard US Mastercard Consumer Credit (Merit III Core) costs 1.65% + $0.10.

Evaluating processing structures means distinguishing between percentage-based debit pricing and fixed-cents debit pricing. Block's flat-rate ecosystem applies uniform pricing across all standard card types, but levies heavy premiums on specialized payment methods. Keyed or card-on-file transactions incur 3.5% + $0.15. Afterpay buy-now-pay-later transactions carry a massive 6% + $0.30 fee. API-based ACH bank transfers cost 1% with a $1 minimum and $5 maximum.