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Coil vs Square.
A payment processor isn't a tattoo platform.
Square is a payment processor that also ships scheduling, invoicing, and a few small-business operations modules. Lots of tattoo shops use it for in-person card swipes because the hardware works and the fees are predictable. None of that makes it a tattoo platform. Square's inquiry form, intake, consent, aftercare, and review flow are all built for generic small businesses. Coil is built specifically for the working-tattooer day. If your shop runs heavy walk-ins and you primarily need to take card payments at the counter, Square is the right tool for that piece of the puzzle — but it's not running your business, it's running your register.
The honest read
Square is a payment processor.
Card terminals, invoicing, basic appointments. 2.6% + $0.10 in-person, 2.9% + $0.30 online, 3.5% + $0.15 manually keyed. Their hardware is good. Their tattoo-specific tooling is zero.
Coil is the tattoo operating system.
Qualified inquiries, two-stage drawing deposits, cancellation waitlist auto-fill, AI healing watch, healed-photo bounty, apprentice mode, portability moat. Flat-monthly with no cut on client payments.
Many shops use both.
Square at the counter for in-person card swipes; coil for everything else — site, inquiry, consent, aftercare, follow-up. The combination is common because each tool does what it's actually good at.
The price difference.
- Software subscription$29/mo solo · $49/chair shop$0/mo (basic)Square's free tier covers basic appointments. Plus is $29/mo per location, Premium $69/mo.
- In-person card processingStripe standard2.6% + $0.10
- Online / invoiced paymentsStripe standard2.9% + $0.30
- Manually keyed / virtual terminalStripe standard3.5% + $0.15
- Cut taken on client payments by software0%0% on Square's side; processing is the costSquare doesn't charge a software fee on top of processing; the processing rates ARE the model.
What ships on each side.
- ✓ Ships— Doesn't
Public artist site + URL
Square Online builds generic small-business sites; nothing tattoo-specific.
- ✓ Ships— Doesn't
Tattoo-specific inquiry form
- ✓ Ships— Doesn't
Two-stage drawing deposit
- ✓ Ships— Doesn't
Cancellation waitlist auto-fill
- ✓ Ships— Doesn't
AI healing watch (vision-model photo reads)
- ✓ Ships— Doesn't
AI style-fit + AI pricing coach
- ✓ Ships— Doesn't
Aftercare SMS drip (discipline-aware)
- ✓ Ships— Doesn't
Healed-photo bounty + touch-up credit ledger
- ✓ Ships◐ Partial
Digital consent + signed waivers (tattoo-specific)
- ✓ Ships— Doesn't
Per-artist Twilio number for client SMS
- ✓ Ships— Doesn't
Apprentice mode (mentor approval queue)
- ✓ Ships— Doesn't
Portability moat — URL follows artist
- ✓ Ships— Doesn't
60-second IG sync onboarding
- ✓ Ships— Doesn't
Convention booth QR + lead capture
- ✓ Ships— Doesn't
Referral code system
- — Doesn't✓ Ships
In-person POS card terminal hardware
- ◐ Partial✓ Ships
Generic invoicing tools
- ✓ Ships◐ Partial
Roster + commission splits
- — Doesn't✓ Ships
Inventory management
If your shop's center of gravity is in-person card swipes — walk-in tattoos, flash days, merch sales, jewelry — Square's hardware + processing rates are dialed and easy. Their tap-to-pay phone-as-terminal feature alone is convenient. Use Square for what it actually is: a great payment processor. Just don't expect it to also sort your inquiries, run your aftercare, your consent flow, or your healed-photo collection — because it can't.
When coil is the right call
For everything that isn't the act of taking a card payment, coil is built and Square isn't. If you spend more time answering DMs, drawing custom pieces, sending healed-photo follow-ups, and dealing with 11pm healing questions than you do running cards at the counter, coil is the working tool for your week. Most custom tattooers run both: Square for the rare in-person swipe, coil for everything before, during, and after the session.
What people ask.
- Does Square charge a software fee?
- Square Appointments has a free tier (single-user basic), Plus at $29/mo per location, and Premium at $69/mo per location. The bigger cost is processing fees on every transaction (2.6%+$0.10 in-person, 2.9%+$0.30 online, 3.5%+$0.15 keyed). Coil's $29-$49/chair subscription is flat with no platform cut on payments; Stripe still charges its own processing rate.
- Can I use Square and coil together?
- Yes. Many custom tattooers do exactly that — Square for the rare in-person card swipe and coil for site, inquiries, deposits via Stripe, aftercare, consent, and healed-photo collection. Square handles the counter; coil handles the day.
- Does Square have AI healing watch?
- No. Square has no AI features for tattooers. Coil's healing watch reads client photos via a vision model and auto-replies the healthy ones, escalates the concerning ones to you.
- What does coil have that Square doesn't?
- Tattoo-specific everything: inquiry form (body location, refs, size, budget, color), two-stage drawing deposit, cancellation waitlist that auto-fills, AI healing watch, AI style-fit + pricing coach, healed-photo bounty, touch-up credit ledger, apprentice mode for shops, per-artist Twilio number for client SMS, and a URL that follows you to any shop for life.
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