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Helcim and Square are both popular choices for small businesses — but they take completely opposite approaches to pricing. Square charges a simple flat rate on every transaction. Helcim charges interchange-plus, meaning you pay the actual wholesale cost of each card plus a small fixed markup. For low-volume businesses, Square’s simplicity wins. For growing businesses, Helcim’s lower rates usually win.
This guide breaks down the real 2026 numbers, compares both processors side by side, and tells you exactly which one saves your business more money.
Want to see your exact costs? Try our free fee calculator or compare all processors side by side.
Helcim vs Square: Quick Comparison (2026)
| Feature | Helcim | Square |
|---|---|---|
| Pricing model | Interchange-plus | Flat-rate |
| Monthly fee | $0 | $0 – $149/mo |
| In-person rate | Interchange + 0.40% + $0.08 (avg ~1.93% + $0.08) | 2.6% + $0.15 (Free plan) |
| Online rate | Interchange + 0.50% + $0.25 (avg ~2.49% + $0.25) | 3.3% + $0.30 (Free plan) |
| Keyed-in rate | Interchange + 0.50% + $0.25 | 3.5% + $0.15 |
| Contracts | None | None |
| Chargeback fee | $15 (refunded if you win) | $0 |
| Volume discounts | Yes — automatic at $50K+/mo | No |
| Free POS software | Yes | Yes |
| Hardware cost | $199 – $349 | $0 – $799 |
| Best for | Businesses processing $10,000+/mo | Startups, restaurants, low-volume |
Helcim Pricing in 2026
Helcim uses interchange-plus pricing — the most transparent model in the industry. Instead of charging one flat rate on every transaction, Helcim passes the actual wholesale interchange cost to you and adds a small fixed markup. See full details on Helcim’s official pricing page.
Helcim Processing Rates
| Transaction Type | Rate | Average Effective Rate |
|---|---|---|
| In-person (card present) | Interchange + 0.40% + $0.08 | ~1.93% + $0.08 |
| Online / keyed-in | Interchange + 0.50% + $0.25 | ~2.49% + $0.25 |
| ACH / bank transfer | 0.50% + $0.25 | Capped at $6 |
Helcim Volume Discounts (Automatic)
| Monthly Volume | In-Person Rate | Online Rate |
|---|---|---|
| Under $50,000 | Interchange + 0.40% + $0.08 | Interchange + 0.50% + $0.25 |
| $50,000 – $100,000 | Interchange + 0.35% + $0.07 | Interchange + 0.45% + $0.20 |
| $100,000 – $200,000 | Interchange + 0.25% + $0.07 | Interchange + 0.35% + $0.20 |
| $200,000+ | Interchange + 0.15% + $0.06 | Interchange + 0.20% + $0.15 |
These discounts apply automatically — no negotiating, no phone calls. As your volume grows, your rates drop.
Helcim Hardware
- Helcim Card Reader: $199 — EMV + NFC, portable
- Helcim Smart Terminal: $349 — built-in printer, receipt rolls included
Both are one-time purchases. No monthly equipment fees, no leases.
What Helcim Does Well
- Lowest fees for most businesses over $10,000/month — interchange-plus beats flat-rate at scale
- No monthly fees — zero fixed costs, great for seasonal businesses
- No contracts — cancel anytime
- Automatic volume discounts — rates improve as you grow without asking
- Merchant Buyout Program — covers up to $500 in switching costs from your old processor
- Chargeback fee refunded if you win the dispute
- All-in-one platform — invoicing, recurring billing, online store, virtual terminal all free
- Dedicated merchant account — more stable than Square’s aggregated model
Where Helcim Falls Short
- Interchange-plus rates are harder to predict month to month
- Not ideal for very low volume businesses under $5,000/month
- No same-day deposits — funds arrive in 1–2 business days
- Limited restaurant features — no table management or kitchen display system
- Some users report application denials without clear explanation
- Dashboard timeout issues reported by some users
Square Pricing in 2026
Square uses flat-rate pricing — one simple rate regardless of card type. Square overhauled its pricing in October 2025, and raised online rates again in January 2026. See current rates on Square’s official pricing page.
| Plan | Monthly Fee | In-Person Rate | Online Rate | Keyed Rate |
|---|---|---|---|---|
| Free | $0 | 2.6% + $0.15 | 3.3% + $0.30 | 3.5% + $0.15 |
| Plus | $49/mo | 2.5% + $0.15 | 2.9% + $0.30 | 3.5% + $0.15 |
| Premium | $149/mo | 2.4% + $0.15 | 2.9% + $0.30 | 3.5% + $0.15 |
Important: Square raised its Free plan online rate from 2.9% + $0.30 to 3.3% + $0.30 in January 2026 — a 14% increase for online sellers.
Square Hardware
- Square Reader (contactless + chip): $59
- Square Stand (iPad POS): $149
- Square Terminal: $299
- Square Register: $799
First magstripe reader is free. No contracts, cancel anytime.
What Square Does Well
- Simpler pricing — one flat rate, easy to predict costs
- $0 chargeback fees — significant advantage over Helcim’s $15
- No contracts — same as Helcim
- Better restaurant features — table management, kitchen display on Plus/Premium
- Free entry-level reader — lower hardware barrier to start
- Instant deposits available — for 1.95% fee
Where Square Falls Short
- Flat-rate pricing is more expensive than interchange-plus at higher volumes
- Online rates on Free plan (3.3% + $0.30) are among the highest in the industry
- No volume discounts — you pay the same rate whether you process $1,000 or $100,000/month
- Account holds and sudden freezes are a known issue
- Aggregated merchant account — less stable than a dedicated account
Helcim vs Square: Real Cost Comparison
This is where it gets interesting. Let’s compare real monthly costs at different volume levels.
$5,000/month in-person sales (avg $50 ticket)
| Helcim | Square Free | |
|---|---|---|
| Processing fees | ~$97 | ~$130 |
| Monthly fee | $0 | $0 |
| Total monthly cost | ~$97 | ~$130 |
| Annual savings with Helcim | ~$396/year | |
$20,000/month in-person sales (avg $50 ticket)
| Helcim | Square Free | Square Plus | |
|---|---|---|---|
| Processing fees | ~$386 | ~$530 | ~$515 |
| Monthly fee | $0 | $0 | $49 |
| Total monthly cost | ~$386 | ~$530 | ~$564 |
| Annual savings with Helcim | ~$1,728/year vs Square Free | ||
$50,000/month in-person sales (avg $50 ticket)
| Helcim | Square Plus | Square Premium | |
|---|---|---|---|
| Processing fees | ~$896 (volume discount kicks in) | ~$1,290 | ~$1,215 |
| Monthly fee | $0 | $49 | $149 |
| Total monthly cost | ~$896 | ~$1,339 | ~$1,364 |
| Annual savings with Helcim | ~$5,316/year vs Square Plus | ||
The higher your volume, the more Helcim saves. At $50,000/month, Helcim’s automatic volume discount kicks in and the gap widens significantly.
Who Should Choose Helcim?
- Processing over $10,000/month in-person — interchange-plus savings add up fast
- B2B businesses that send invoices regularly
- Retail businesses that want lower rates as they grow
- Seasonal businesses — no monthly fee means $0 cost in slow months
- Businesses escaping long-term Clover or Toast contracts — Helcim covers up to $500 in switching costs
- Businesses that want a dedicated merchant account for more stability
Who Should Choose Square?
- Just starting out with low or unpredictable volume
- Running a restaurant that needs table management and kitchen display features
- Processing under $5,000/month where flat-rate simplicity is worth the premium
- Businesses in dispute-prone industries — Square’s $0 chargeback fee is a major advantage
- Need instant deposits — Square offers same-day funding (for a fee)
- Want the simplest possible setup with predictable costs
Consider These Alternatives Too
- Selling primarily online? Stripe has better developer tools and competitive online rates.
- Need restaurant-specific features? Toast or Clover are purpose-built for full-service dining.
- Want to compare all processors? Use our free payment fee calculator to see exact costs for your volume.
No monthly fees, no contracts, and rates that drop as you grow.
Get Started with Helcim →
Frequently Asked Questions: Helcim vs Square
Is Helcim cheaper than Square?
Yes, for most businesses processing over $10,000/month. Helcim’s average in-person rate is ~1.93% + $0.08 vs Square’s 2.6% + $0.15 on the Free plan. At $20,000/month, Helcim saves approximately $1,728/year compared to Square Free. At lower volumes under $5,000/month, the difference is smaller and Square’s simplicity may be worth the slight premium.
Does Helcim have a monthly fee?
No. Helcim has zero monthly fees, zero setup fees, zero PCI compliance fees, and zero cancellation fees. You only pay per transaction. This is the same as Square’s Free plan, but Helcim’s per-transaction rates are lower for most businesses at moderate to high volume.
What is interchange-plus pricing and why does it matter?
Interchange-plus pricing means you pay the actual wholesale cost of each card transaction (set by Visa/Mastercard) plus a small fixed markup from your processor. This is more transparent and typically cheaper than flat-rate pricing, where the processor charges one rate on every transaction regardless of actual cost. Helcim uses interchange-plus; Square uses flat-rate. Learn more in our guide to interchange-plus pricing at payclarify.com/interchange-plus-pricing.
Which is better for restaurants — Helcim or Square?
Square is better for restaurants. Square’s Plus and Premium plans include table management, kitchen display integration, and restaurant-specific POS features. Helcim lacks these industry-specific tools and is not recommended for full-service restaurants. For quick-service or food trucks focused on minimizing fees, Helcim can work well.
Does Helcim or Square charge chargeback fees?
Square charges $0 for chargebacks — one of its biggest advantages. Helcim charges $15 per chargeback, but refunds this fee if you win the dispute. For businesses with frequent chargebacks, Square’s $0 fee policy can save hundreds of dollars per year.
Can I switch from Square to Helcim easily?
Yes. Helcim has no contracts and offers a Merchant Buyout Program that covers up to $500 in switching costs from your previous processor. Since Square also has no contracts, switching is straightforward. You will need to purchase new Helcim hardware ($199–$349) as Square hardware only works with Square.
Bottom Line
For most businesses processing over $10,000/month, Helcim vs Square isn’t a close race — Helcim wins on price, transparency, and long-term savings. Its interchange-plus model and automatic volume discounts make it the smarter financial choice as your business grows.
Square wins for simplicity, restaurant features, $0 chargebacks, and businesses just getting started. If you process under $5,000/month or run a full-service restaurant, Square is the better fit.
Not sure which saves you more? Use our free payment fee calculator to enter your exact monthly volume and see a side-by-side cost comparison in seconds.
Sources and corrections
Fees in this article are taken from each provider’s official pricing page:
Standard card processing rates for Square, Stripe, Helcim were last checked against these official pages on September 30, 2026. For Clover, Toast, confirm current rates and contract terms on the official page, as pricing can vary by plan and seller. Fees can change at any time and your actual cost depends on your plan, card mix and contract. Spotted an outdated fee? Email contact@payclarify.com and we will correct it. See how we research.
