Coupang vs. Smart Store — which makes more?

At equal cost and target margin, category fees decide. Coupang 8%+ tracks (fashion / beauty / home) usually favor Smart Store; 5–6% tracks (electronics / books / fresh) are close or favor Coupang.

Does Coupang charge a separate payment fee?

Coupang Open Market bundles payment into the sale fee. The calculator shows payment fee = 0 there, and splits Smart Store into 2% sales-link + 4.24% NaverPay.

Where does the 4.24% NaverPay number come from?

NaverPay’s ex-VAT rates (credit 3.74%, bank 1.65%, mobile 3.85%, point 3.74%) average ~3.85%; add 10% VAT and you get 4.24% VAT-inclusive.

Is RocketGrowth always better?

Yes for 50+/mo volume of standard, light items. Bulky / expensive / slow-moving SKUs see margin erosion from storage and returns — seller-shipping wins.

Does this match the official settlement?

It is an estimate using public fees. Actual settlement depends on category code, promo coupons, points, and returns — confirm in Coupang Wing and Smart Store Center.

Seller & Commerce · 🇰🇷 Korea

Coupang Smart Store Price Optimizer

LIVE

Korean seller margin calculator for Coupang and Naver Smart Store with target margin.

Open the tool

About this tool

Coupang Smart Store Price Optimizer compares per-unit recommended price, net profit, and break-even between Coupang Open Market (sale fee 4–10.9%, payment fee included) and Naver Smart Store (sales-link 2% + NaverPay 4.24% VAT-incl.) at the same cost, packaging, shipping, ads, and target-margin inputs. Built-in 25-category fee table (electronics 5–5.8%, fashion / beauty 10–10.9%, food / home 6–10%), RocketGrowth vs. seller-shipping toggle, refund-rate slider (0–30%), and monthly volume — all on one screen. With a competitor price entered, a "best-platform" badge appears instantly. Saves up to 30 SKUs in localStorage with CSV export and share URL.

Use cases

Scenario 1

Same SKU — Coupang vs. Smart Store?

For a ₩7k-cost fashion item targeting 25% margin, see how the recommended price diverges between Coupang and Smart Store — and where unit profit is higher.

Scenario 2

Switch to RocketGrowth

Switching from seller-shipping to RocketGrowth applies ₩1.5k inbound + ₩1.8k outbound + ₩200/mo storage — see the margin shift.

Scenario 3

Before vs. after refund-rate adjustment

Apply a 15% apparel refund rate and the tool shows pre- and post-refund net profit, making the margin floor explicit.

Scenario 4

Enter competitor price → platform-winner badge

Selling at the competitor price, the "best-platform" badge highlights where unit profit is larger.

Scenario 5

30-SKU dashboard + CSV

Save up to 30 SKUs locally and export per-category / per-platform margins as CSV for bookkeeping.

Features

Recommended price on both: Coupang (4–10.9%) and Smart Store (2% + 4.24%)
25-category fee data (2026 estimate)
RocketGrowth vs. seller-shipping margin compare
Refund-rate slider 0–30% with pre/post profit
Best-platform badge when a competitor price is entered
Up to 30 SKUs locally + CSV + share URL
Result card PNG 1200×630

Frequently asked

Q. Coupang vs. Smart Store — which makes more?: A. At equal cost and target margin, category fees decide. Coupang 8%+ tracks (fashion / beauty / home) usually favor Smart Store; 5–6% tracks (electronics / books / fresh) are close or favor Coupang.
Q. Does Coupang charge a separate payment fee?: A. Coupang Open Market bundles payment into the sale fee. The calculator shows payment fee = 0 there, and splits Smart Store into 2% sales-link + 4.24% NaverPay.
Q. Where does the 4.24% NaverPay number come from?: A. NaverPay’s ex-VAT rates (credit 3.74%, bank 1.65%, mobile 3.85%, point 3.74%) average ~3.85%; add 10% VAT and you get 4.24% VAT-inclusive.
Q. Is RocketGrowth always better?: A. Yes for 50+/mo volume of standard, light items. Bulky / expensive / slow-moving SKUs see margin erosion from storage and returns — seller-shipping wins.
Q. Does this match the official settlement?: A. It is an estimate using public fees. Actual settlement depends on category code, promo coupons, points, and returns — confirm in Coupang Wing and Smart Store Center.

Sources / references

Related guides / blog posts

🛒 Coupang Seller Onboarding — From First SKU to Break-Even

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How we run it / disclaimer

This tool is advisory and does not constitute legal, tax, medical, or financial advice. All calculations and document generation run in your browser; inputs are never sent to a server. Ads follow Google AdSense policy and are kept separate from tool accuracy.