S
Square
4.6 /5
Simple, low-barrier POS for brick-and-mortar businesses
- Software
- $0+ per month
- In-person rate
- 2.6% + 15¢
retailrestaurantqsr
St. Louis, MO · Retail
Biyo POS for retail stores in St. Louis
Biyo POS can work for retail stores in St. Louis, but it isn't our first pick for this segment (#4 of 5).
Running the numbers in St. Louis: The combined sales-tax rate in St. Louis is about 9.68%. Credit-card surcharging is permitted, capped at your cost of acceptance (and no more than ~3–4% under card-network rules). Debit cards can never be surcharged. 18–20% at restaurants. Biyo POS's pricing — $0–$97 per month software and 2.4%–3% in person — is the same wherever you are; these local rules are what change your take-home per ticket.
What a retail store needs from a POS
Retailers live and die by inventory accuracy, purchase orders, barcode and variant handling, and reporting that ties margin to SKUs.
- Deep inventory with variants, barcodes and purchase orders
- Stock counts and low-stock alerts
- Per-SKU margin and sell-through reporting
- A customer directory and loyalty
Where Biyo POS fits
- No contract or long-term commitment, so a bad fit is easy to walk away from.
- A free software tier keeps fixed costs down while you get running.
- Rated #1 in our customer-support scoring: fast, human, US-based help and hands-on onboarding
- Transparent pricing: $0–$97 per month, and free for businesses processing more than $30,000/month in card volume
Watch-outs
- Integrations rate below the field in our testing.
- Smaller company and install base than Square, Toast or Clover
- Third-party integration catalog and open API are still maturing
Biyo POS pricing at a glance
- Software
- $0–$97 per month
- In-person rate
- 2.4%–3%
- Commitment
- No contract
How Biyo POS compares for retail in St. Louis
Rankings don’t change by city — among the 5 platforms we review that serve retail stores, Biyo POS ranks #4 for this use case (4.5/5 overall). What a local operator should weigh on top is city tax and tipping, covered above. See the full ranking in our best POS for retail guide .
Frequently asked questions
Is Biyo POS a good POS for a retail store in St. Louis?
Biyo POS can work for retail stores in St. Louis, but it isn't our first pick for this segment (#4 of 5). No contract or long-term commitment, so a bad fit is easy to walk away from. On the local side, the combined sales-tax rate in St. Louis is about 9.68%, and credit-card surcharging is permitted, capped at your cost of acceptance (and no more than ~3–4% under card-network rules). Debit cards can never be surcharged.
How much does Biyo POS cost for a St. Louis retail store?
Pricing is the same nationwide: software $0–$97 per month, in-person processing 2.4%–3%, commitment No contract. What changes locally is tax and tipping — the combined sales-tax rate in St. Louis is about 9.68%, and 18–20% at restaurants. Run a real month of St. Louis card volume through our processing-fee calculator.
Can a St. Louis retail store add a credit-card surcharge?
Credit-card surcharging is permitted, capped at your cost of acceptance (and no more than ~3–4% under card-network rules). Debit cards can never be surcharged. Biyo POS and most POS systems can run a compliant surcharge or cash-discount program where it's allowed — see our cash-discount vs surcharge calculator.
What is the best alternative to Biyo POS for retail in St. Louis?
Square is the closest alternative we'd shortlist (4.6/5). Compare them on our Biyo POS vs Square page.
Opening a retail store in St. Louis?
Tell us your setup and volume — we’ll come back with real pricing and the closest alternatives.