A point-of-sale system is essential for any business that accepts payments in person. But POS costs can spiral - hardware, monthly fees, and per-transaction charges add up. We compared the most affordable POS systems for small businesses in 2026, factoring in total cost of ownership over 12 months including hardware, software, and processing fees.
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1. Square
Square POS Best Free Software
Free POS software with no monthly fee. 2.6% + $0.10 per tap/swipe. Inventory management, sales reporting, and employee management included. Free magstripe reader; Square Terminal $299.
- $0/month software fee
- 2.6% + $0.10 per transaction
- Inventory and employee management
- Free online store included
- Next-day deposits standard
2. Toast
Toast POS Best for Restaurants
Starter plan at $0/month for 1 terminal. 2.99% + $0.15 per transaction on free plan. Purpose-built for restaurants with menu management, online ordering, and kitchen display. Hardware from $0 with pay-as-you-go plan.
- $0/month starter plan available
- Restaurant-specific features
- Online ordering built in
- Kitchen display system
- Menu management and modifiers
3. Loyverse
Loyverse POS Best Free for Retail
Completely free POS for retail and quick-service restaurants. Unlimited products and transactions. Works on any tablet or phone. Advanced inventory and analytics are paid add-ons at $5-25/month each.
- Completely free core POS
- Unlimited products and sales
- Works on any iOS/Android device
- Employee management included
- Multi-store support on free plan
4. Clover
Clover POS Best Hardware Bundle
Plans from $14.95/month. Hardware bundles from $599. Clean interface with strong app marketplace. Better hardware build quality than Square. Good for retail stores that want a professional countertop setup.
- Plans from $14.95/month
- Professional hardware options
- App marketplace for extensions
- Employee permissions and shifts
- Customer loyalty program
5. Lightspeed
Lightspeed Retail Best for Inventory
Plans from $89/month. Advanced multi-location inventory, purchase orders, and vendor management. Best choice for retail businesses with complex inventory needs. 14-day free trial.
- Advanced inventory management
- Multi-location support
- Purchase order management
- Vendor catalog integration
- Detailed reporting and analytics
Quick Comparison
| Tool | Best For | Key Limit |
|---|---|---|
| Square POS | Best Free Software | $0/month software fee |
| Toast POS | Best for Restaurants | $0/month starter plan available |
| Loyverse POS | Best Free for Retail | Completely free core POS |
| Clover POS | Best Hardware Bundle | Plans from $14.95/month |
| Lightspeed Retail | Best for Inventory | Advanced inventory management |
How We Tested
We signed up for each free plan and used it for real work over two weeks. We evaluated ease of setup, daily usability, feature completeness on the free tier, and the upgrade path when free limits are reached. Our recommendations prioritize tools where the free plan is genuinely useful, not just a demo.
Frequently Asked Questions
What is the cheapest POS system?
Square POS is the cheapest overall. The software is free with no monthly fee. You only pay 2.6% + 10 cents per swipe transaction. Hardware starts at $0 if you use the free magstripe reader with your phone. Square Terminal costs $299 as a one-time purchase.
Is there a completely free POS system?
Square POS and Loyverse POS both offer free software with no monthly charges. You still pay per-transaction processing fees (typically 2.5-2.7%). There is no way to avoid processing fees, but the software itself can be truly free.
How much does a basic POS system cost?
A basic POS setup costs $0-60/month for software plus $0-300 for hardware. Square Free + phone reader costs $0 upfront. A full countertop setup with receipt printer and cash drawer runs $400-800. Monthly software fees range from free (Square, Loyverse) to $60 (Toast, Lightspeed).