Every Korean restaurant we work with eventually asks: should we be on Toast or Square? Both companies sell the same dream — a unified POS that handles dine-in, takeout, delivery, payroll, and gift cards. The reality, after integrating both for 11 Korean restaurants across NJ and Queens over the last 24 months, is that neither is the universal answer. Toast wins for restaurants doing $30K+/month in card volume. Square wins for smaller shops, food trucks, and pop-ups. Here is the actual breakdown — hardware, processing fees, Korean menu handling, KakaoTalk integration realities, and the crossover point where you should switch.
Real 2-year TCO from 11 Korean restaurants (Fort Lee, Palisades Park, Flushing, Annandale)
- $0
Square hardware
starter (use your iPad)
- $799
Toast hardware
minimum (terminal + printer)
- 2.6%
Square processing
+ $0.10 swipe (no discount)
- 2.49%
Toast processing
+ $0.15, negotiable below 2.3% at $40K+/mo
Hardware cost: $0 vs $799 starter
Square sells you on "start free" — and they mean it. You can run a Korean restaurant on a Square Reader plugged into your existing iPad, total upfront cost $0. Toast requires their proprietary hardware: a $300 terminal, a $250 kitchen display, a $250 ticket printer minimum. About $799 to get going, and they will push you toward $2,500+ within a year if you want their full kitchen display system. For a new restaurant under $20K/mo in revenue, that upfront cost is hard to justify.
Processing fee breakdown by volume
Square processing is simple: 2.6% + $0.10 swiped, 3.5% + $0.15 keyed, no volume discounts under $250K/year. Toast starts at 2.49% + $0.15 in-person, and you can negotiate down to 2.3% or lower once you cross $40K/month in card volume. The math: at $30K/month in card revenue, Square costs you about $810/month in processing; Toast at the same volume costs about $810 too — they break even. Above $40K/month, Toast pulls ahead by $40–80/month. Below $20K/month, Square is cheaper because Toast charges a $75–165/month base fee for POS software.
Korean menu + banchan modifier handling
This is where Toast quietly wins. Korean restaurant menus are weird from a POS perspective — you have unlimited free banchan refills, modifier groups for spice level and meat doneness, set menus that combine 12 items at one price, and tableside K-BBQ where one ticket has 6 protein options. Toast's modifier hierarchy is built for this. Square works, but typical setup takes 4-6 hours of menu engineering, and the workarounds get ugly fast (we have seen Korean BBQ menus in Square that require 18 separate modifier categories — Toast does it in 4).
Toast also prints Korean characters on receipts natively. Square requires a custom printer setting and sometimes fails on specific hangul combinations (특히 받침이 많은 글자). For a restaurant that wants its receipts to look Korean — and many older Korean-American owners do — this matters.
KakaoTalk + Naver integration realities
Neither Toast nor Square has native KakaoTalk Channel integration in 2026. Both work via webhook + Zapier to push order confirmations and reservation reminders to KakaoTalk. The setup cost is roughly identical — about $200 in dev time and $30/month in messaging fees — but the value depends entirely on your customer mix. A Korean BBQ in Fort Lee where 70% of bookings are made by Korean-speaking customers gets enormous ROI from a KakaoTalk confirmation flow. A Korean fusion taco truck in K-Town LA where the customer base is 80% non-Korean gets less. Test before committing.
When to switch (the $30K/month threshold)
The pattern from our 11-restaurant cohort: start on Square if you are under $25K/month in revenue. The simplicity wins. Switch to Toast when you cross $30K/month consistently — by then, the processing fee savings + included kitchen display + better Korean menu handling cover the switching cost in 3-4 months. Don't switch just because Toast salespeople call you weekly (they do). Switch because your numbers say to.
Specifically, here is what flips above $30K/month:
- Processing fees: Toast becomes cheaper per transaction
- Kitchen display system included in Toast — saves $200/month vs adding it to Square
- Korean menu engineering pays off — your servers spend less time on every order
- Payroll integration: Toast Payroll vs Gusto/Square Payroll is a wash; both work
- Multi-location: Toast handles it better; Square gets clunky above 2 locations
Online ordering: Toast TakeOut vs Square Online
If you do $10K+/month in delivery and takeout, Toast TakeOut beats Square Online almost every time. Zero commission, branded customer experience, integrated with your POS so orders flow directly to the kitchen. Square Online is free but takes $0.30 per delivery order and is much harder to brand. For restaurants doing under $5K/mo in online orders, Square Online is fine. Above $10K/mo, Toast TakeOut earns back its $75/mo fee in the first day of every month.