---
title: "Avonix: Tariff Surcharge Fees Shopify App Profile"
description: "Avonix lets you apply tariffs, surcharges, and customer opt-in environmental fees to your Shopify checkout — all from a single app. Start from a template \\(eco, tariff\\), target fees by country or state, and let customers add carbon offsets at checkout. Tariffs apply when shipping to matching countries."
canonical_url: "https://shoplist.co/shopify-apps/avonix-tariffs-surcharges"
markdown_url: "https://shoplist.co/shopify-apps/avonix-tariffs-surcharges.md"
last_updated: "2026-09-27"
entity_type: "shopify_app"
slug: "avonix-tariffs-surcharges"
source: "public Shopify app profile allowlist"
---

# Avonix: Tariff Surcharge Fees Shopify App Profile

> Avonix lets you apply tariffs, surcharges, and customer opt-in environmental fees to your Shopify checkout — all from a single app. Start from a template \(eco, tariff\), target fees by country or state, and let customers add carbon offsets at checkout. Tariffs apply when shipping to matching countries.

## Quick answer
Avonix: Tariff Surcharge Fees has 8 detected stores in Shoplist. This Markdown profile displays 6 public brand examples; it is not a complete customer list.

## Key facts
- Name: Avonix: Tariff Surcharge Fees
- Monitoring status: Merchant data available
- Developer: Avonix Studio
- Developer profile: https://shoplist.co/app-developers/krishna38
- Shopify App Store URL: https://apps.shopify.com/avonix-tariffs-surcharges
- Website: https://avonixstudio.com
- Launch date: May 25, 2026
- Shoplist category: Shipping & Fulfillment
- Detected stores: 8

## Pricing summary
Free

## Shoplist app-stack sample
Shoplist has public app-stack evidence for 8 brands using Avonix: Tariff Surcharge Fees. This Markdown page displays 6 of those public brands. Detected stores count storefront evidence; public brands count the brand profiles eligible for this public sample. Stores and brands are different populations, so these counts need not match. This page exposes a small sample so agents can cite Shoplist-native install intelligence without treating the sample as the full dataset.

| Brand | Category or market | Products | Active apps | Shoplist profile |
| --- | --- | --- | --- | --- |
| Mycasety | Electronics | 719 | 4 | https://shoplist.co/shopify-brands/mycasety.md |
| AK Valves Ltd | Business & Industrial | 8,121 | 12 | https://shoplist.co/shopify-brands/akvalvesltd-com.md |
| Solong Tattoo | Business & Industrial | 120 | 10 | https://shoplist.co/shopify-brands/solongtattoo-com.md |
| The Barkery LLC | Animals & Pet Supplies | 202 | 8 | https://shoplist.co/shopify-brands/thebarkerylv-com.md |
| imhave | Luggage & Bags | 528 | 3 | https://shoplist.co/shopify-brands/imhave-com.md |
| Dealggo.com | Apparel & Accessories | 1,131 | 6 | https://shoplist.co/shopify-brands/dealggo-com.md |

This table is intentionally a public sample. It does not expose the full brand list, install timeline, contact data, people data, internal scores, crawl provenance, or unstable operational fields.

## App Signals
As of November 8, 2026:

- Stores running it: 8, 0.0% of the stores Shoplist tracks
- Store movement, last 28 days: +0 new stores, +0 returning, −0 removed, net 0 (estimated; 1 day held out of movement; detection coverage changed in this window)
- Primary App Store category: Pricing - Other, #63 (14-day median position)
- Listing reviews: 0
- Top countries: United States: 2 stores; United Kingdom: 1 stores

## Public callouts
- Custom COD, tariff, eco, and surcharge fees
- Country and state targeting with full ISO coverage
- Customer opt-in for carbon offset and environmental fees
- Fixed or percentage fees with automatic currency conversion
- Setup in minutes with built-in fee templates
## Shopify App Store categories
- Pricing - Other

## Data note
Profile updated: September 27, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-11-08 19:16:05.776414\+00
Detection metrics refreshed: 2026-11-08 10:00:00.19319\+00
Public app evidence date: 2026-09-27 07:31:44.657671\+00
This generated Markdown profile intentionally exposes only public, stable app-profile fields and a small public app-stack sample from Shoplist. It excludes private contact data, people data, internal scores, crawl provenance, full datasets, and unstable operational fields.

## Related links
- [HTML app profile](https://shoplist.co/shopify-apps/avonix-tariffs-surcharges)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)