The POS decision shapes daily operations more than any other ecommerce platform choice. Once you've trained staff, configured hardware, and built inventory workflows, switching is expensive and disruptive. Getting it right upfront matters.
This guide compares Shopify POS, Square, and Clover across the dimensions that matter for physical store operators.
Quick comparison
| Dimension | Shopify POS | Square | Clover |
|---|---|---|---|
| Best for | Omnichannel retail | Small retail / start-ups | Restaurants and complex retail |
| Monthly fee | $0 (with Shopify plan) - $89 | $0 - $60 | $14.95 - $69.95 |
| Card processing | 2.4-2.7% in-person | 2.6% + $0.10 | 2.3-2.6% + $0.10 |
| Hardware | Shopify-branded, optional | Free reader, varied hardware | Required hardware purchase |
| Online integration | Native, seamless | Good but separate-feeling | Limited |
| Inventory | Unified online + offline | Within-Square only by default | Solid for in-store |
| Restaurant features | Limited | Square for Restaurants | Clover Dining |
Shopify POS deep dive
What it is: Shopify's point-of-sale app, integrated with Shopify ecommerce. Available as Shopify POS Lite (included with Shopify plans) or POS Pro ($89/month per location).
Hardware: Shopify-branded card readers, receipt printers, barcode scanners, cash drawers. Or use compatible third-party hardware.
Strengths:
- Same product catalog for online and offline. Sell a product in-store, online inventory updates automatically.
- Customer profiles unified — same customer, same loyalty program, online and offline.
- Strong reporting that combines online and offline data.
- Great theme/checkout consistency between channels.
Limitations:
- Not a strong fit for restaurants without significant workarounds.
- POS Pro features ($89/month per location) get expensive for multi-location retailers.
- Less hardware flexibility than Square.
Best for: Retail brands selling both online and in physical stores. Especially DTC brands opening flagship stores.
Square deep dive
What it is: All-in-one POS, payments, ecommerce, and business tools from Square (Block).
Hardware: Free magstripe reader to start. Square Stand, Square Register, Terminal — varied hardware tiers.
Strengths:
- Lowest barrier to entry. Sign up, get a free reader, start accepting payments.
- Strong restaurant version (Square for Restaurants) for full-service food service.
- Square Online integrates with Square POS for omnichannel.
- Solid invoicing and B2B features.
- Good loyalty and marketing tools natively.
Limitations:
- Square Online ecommerce is functional but less powerful than Shopify.
- Multi-location and complex inventory needs apps.
- Card processing rates are slightly higher than competitors at scale.
Best for: Small retailers and restaurants prioritizing low barrier to entry. Service businesses (salons, cafes, mobile vendors).
Clover deep dive
What it is: POS system originally built for restaurants and complex retail, now owned by Fiserv.
Hardware: Required hardware purchase ($799+ for Mini, $1,499+ for Station, etc.). No free or low-cost entry.
Strengths:
- Strong restaurant features (Clover Dining)
- Robust hardware ecosystem
- Good for complex retail with detailed inventory needs
- Multiple payment processors supported (you're not locked into one)
Limitations:
- Higher hardware barrier
- Online ecommerce capabilities are limited compared to Shopify
- Software experience varies depending on which payment processor you use
- Less unified across hardware tiers
Best for: Restaurants, especially full-service. Complex retail with significant inventory complexity.
Decision framework
You sell mostly online with some physical retail: Shopify POS. The omnichannel integration is the killer feature.
You're a small retailer just starting: Square. Lowest barrier to entry, easiest learning curve.
You're a full-service restaurant: Square for Restaurants or Clover Dining. Both work; pick based on hardware preference and price.
You're a quick-service restaurant or cafe: Square or Shopify POS depending on online ambition.
You have complex multi-location retail: Shopify POS Pro for omnichannel; Clover for restaurant-style operations.
You're a service business (salon, mobile vendor): Square. The free entry hardware and ease of use win.
Cost analysis
For a single-location retailer doing $200K/year:
Shopify POS Lite (with Shopify Basic):
- $29/month Shopify
- $0 POS Lite
- 2.4% card processing
- Hardware: $300-1,500 one-time
- Annual: $348 + $4,800 processing = $5,148
Square:
- $0 monthly (free tier)
- 2.6% + $0.10 card processing
- Hardware: $0-800 one-time
- Annual: $0 + $5,200 + $1,000 transaction fees = $6,200
Clover (with Mini):
- $14.95/month Clover Service
- 2.3-2.6% + $0.10 card processing
- Hardware: $799+ one-time
- Annual: $179 + $4,600 + $1,000 transaction fees = $5,779
For most retailers, Shopify POS comes out slightly cheaper at scale, but the spread is small. The deciding factor is usually omnichannel needs (Shopify wins) versus restaurant features (Clover/Square Restaurants win).
Real switching example
A boutique apparel retailer we worked with started on Square (low barrier, simple setup) and grew to two physical stores plus online ($800K/year). They migrated to Shopify POS for these reasons:
- Online and offline inventory was constantly out of sync (separate systems)
- Customer data scattered between Square Customers and their email tool
- Reporting required exporting from multiple systems and combining manually
After migration:
- Inventory unified across all locations and online
- Single customer profile across channels
- Reports combined automatically
Migration took 6 weeks (data, hardware, staff retraining). Six months in, ops time saved was significant — roughly 5 hours per week of manual reconciliation eliminated.
Common POS mistakes
Picking based on lowest fee. Total cost includes hardware, software, processing, and operational time. Don't optimize one variable.
Choosing restaurant POS for retail or vice versa. The mismatch creates friction every day.
Underestimating staff training. Allow 2-4 weeks for staff to fully internalize a new POS. Plan accordingly.
Skipping inventory data migration. Manual re-entry is brutal. Plan to migrate.
Not testing thoroughly. Run parallel for at least a week before going live exclusively.
What to do this week
If you're picking POS for a new physical store, list your top 3 needs (omnichannel? restaurant features? simplicity?). Match against the comparison above. Trial 2 of the platforms before committing.
If you're considering switching, calculate the time savings post-switch. Migration is 4-8 weeks of disruption. Worth it if the platform is genuinely limiting growth, not worth it for marginal feature differences.
For more, see our Shopify vs Square Online comparison, Shopify vs WooCommerce, and Shopify vs BigCommerce.