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Kai: Extra Fees & Surcharges icon

Shopify app

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Kai: Extra Fees & Surcharges

Add surcharges, tariffs and extra fees to cart and checkout

Rating on Shopify
No ratings yet
Reviews
0
Developer
Scalix eCom
Launched
September 30, 2026
Pricing
Free plan available. Free trial available.
Languages
English

View on the Shopify App Store

The facts

Every value below is read from the listing or computed by the published formula. Nothing is a verdict.

Rank in Pricing - Other

#115 of 161

See the ranked table

Rank in Checkout - Other

#292 of 401

See the ranked table

Bayesian rating

n/a

category median 4.62

Reviews in the last 180 days

n/a

no dated reviews collected

1 and 2 star share

n/a

no rating distribution

Starting price

$5.99/month

band: Under $10 · 4-day trial

Pricing plans as listed on Shopify

All charges are billed in USD. Recurring and usage-based charges are billed every 30 days.

PlanPriceBilled yearlyTrialUsage feeIncluded
Free PlanFreenot offerednonenone stated1 active fee; Optional and mandatory fees; Checkbox, toggle and popup widgets; Fixed or percentage fees; Target collections or products; Market-based tariffs and fees; Fee revenue analytics dashboard; POS compatibility
Unlimited plan$5.99/monthnot offered4 daysnone statedUnlimited active fees; Optional and mandatory fees; Checkbox, toggle and popup widgets; Fixed or percentage fees; Target collections or products; Market-based tariffs and fees; Fee revenue analytics dashboard; POS compatibility

Works with

Third-party integrations link to their hub when 5 or more apps name them. Shopify's own surfaces are listed separately and never counted as integrations.

Shopify surfaces: Checkout, Shopify POS, Shopify Admin, Point of Sale

Data access

As disclosed on the listing. Never scored.

View customer data

Device and activity data

  • Device and activity data: Geolocation, IP address, browser and operating system

View staff and contributor data

Store owner

  • Store owner: Name, email address, phone number, physical address

View and edit store data

Customers, products, orders, Shopify Functions, Online Store, custom data, Shopify admin, other data

  • View customers: Customer data
  • Edit products: Products, collections
  • Edit orders: All order history for the last 60 days
  • Edit Shopify Functions: Cart transforms, cart and checkout validations
  • View Online Store: Checkout page, theme
  • Edit custom data: Metaobject definitions, metaobjects
  • Edit Shopify admin: Files
  • Edit other data: Locations, Shopify Markets settings, publications of products on sales channels

Developer

Scalix eCom

Apps in the dataset:
4
Address:
Universal Trade Tower, Sec 49, Gurgaon, Gurgaon, HR, 122001, IN
Website:
not stated
Support email domain:
gmail.com
English support:
yes
Resources:
Privacy policy, demo store

Similar apps

Shopify's own similar-apps list first, then apps in the same category that share the most feature handles.

From the Shopify listingDeveloper claims, shown verbatim and collapsed. 98 words.Show
  • Mandatory fees or optional add-ons shown as a checkbox, toggle or popup
  • Fixed or percentage fees per order or per product, with cart value rules
  • Apply fees to all products, specific collections or individual products
  • Market-based tariffs and fees shown in each shopper's local currency
  • Fee revenue dashboard with orders with fees and per-fee performance

Add surcharges, tariffs and extra fees to cart and checkout. Recover rising costs and sell add-ons.

Kai lets you add any fee to your cart and checkout with no code. Create mandatory fees such as tariff surcharges, small order fees and handling fees that apply automatically, or optional add-ons such as gift wrapping, shipping protection and eco packaging that shoppers choose with a checkbox, toggle or popup. Add a fixed amount or a percentage per order or per product, and target all products, collections or specific items. Fees show in local currency and can be limited by market.

Questions and comments

Questions people ask about Kai: Extra Fees & Surcharges, answered from what this page shows. Entries marked Site editor are written by the EcomAppReviews editor. Reader comments appear after a person has read and approved them, usually within a day. E-mail addresses are never published.

Ask a question or share what worked for your store

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Last updated Oct 23, 2026. Ratings and review counts are the values shown on each app's public listing. How the numbers are computed: methodology.

0 reviews counted on the listing. Rating and count in the structured data are the values Shopify displayed when the listing was last refreshed.