Avonix: Tariff Surcharge Fees vs Dotstore Extra Fees Manager
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026.
The short answer
- Avonix is detected on 1.6× as many Shopify stores as Dotstore Extra Fees Manager: 8 vs 5 as of Nov 8, 2026.
Head to head
- Hong Kong
- China
- United States
- United States
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Pro
- · • Cart & Order fees and surcharges
- · • Email & chat support
- · • Fixed and percentage fees & surcharges
- · • Location-based fees
- · • Multi-condition logic (AND/OR)
- · • Product - and cart-specific conditions
Shopify Plus Plan
- · All features from Pro plan, plus
- · For Shopify Plus stores only.
- · • Enterprise support
- · • Location + shipping combination fees
- · • Payment method-based fees
- · • Required order fees at checkout
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAvonix 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.
Extra Fees Manager empowers merchants to add custom fees, discounts, and surcharges at checkout using advanced, no-code rules. Create fees based on cart value, products, customer location, shipping/payment methods, or specific dates. Supports optional customer-selected fees, separate line items, tax settings, and multi-currency for complete fees flexibility.
- 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
- Fixed & Percentage Fees
- Product/Collection-Based Rules
- Separate Line Item Display
- Taxable or Non-Taxable Toggle
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Avonix |  Dotstore Extra Fees Manager |
|---|---|---|
| Detected stores | 8(ahead) | 5 |
| Net store change, 28 days | 0 | −1 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Apparel & Accessories, Business & Industrial, Luggage & Bags | Apparel & Accessories, Food, Beverages & Tobacco, Health & Beauty |
| Top store countries | Hong Kong, China, United States | United States, Australia |
Reviews
| Measure | Avonix | Dotstore Extra Fees Manager |
|---|---|---|
| App Store rating | Not published | 1.5 ★ |
| App Store reviews | Not published | 3 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Avonix | Dotstore Extra Fees Manager |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $11.99/month |
| Longest free trial | Not listed | 14 days |
| Plans listed | Not published | 2 |
Listing
| Measure | Avonix | Dotstore Extra Fees Manager |
|---|---|---|
| Shopify category rank | #63 | #57(ahead) |
| Shopify App Charts | Not on this week’s charts | #6 in Pricing - Other |
| Built for Shopify | No | No |
| Launched | May 25, 2026 | Nov 14, 2025 |
| Languages | 1 | 1 |
| Developer | Avonix Studio | Thedotstore |
FAQ
Avonix and Dotstore Extra Fees Manager: common questions
- Which is more popular, Avonix or Dotstore Extra Fees Manager?
- Avonix is detected on 1.6× as many Shopify stores as Dotstore Extra Fees Manager: 8 vs 5 as of Nov 8, 2026.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 8, 2026; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 8, 2026. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.