Smart Fees & Product Addons vs TackOn: Cart Fees & Surcharges
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
- TackOn is detected on 6× as many Shopify stores as Smart Fees & Product Addons: 36 vs 6 as of Nov 8, 2026.
- On the Shopify App Store: Smart Fees & Product Addons 5.0 from 6 reviews and TackOn 4.3 from 5 reviews.
- Only TackOn lists a free plan. Paid plans start at $8/month for Smart Fees & Product Addons and $5/month for TackOn.
- Smart Fees & Product Addons lists 5 features TackOn’s listing doesn’t mention, including Bundles, Checkout upsell, Conversion rates.
Head to head
- Australia
- United States
- United States
- Australia
- Canada
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Basic Plan
- · Cart Item based Fees & Cart-wide Fees
- · Fast & responsive customer support
- · Fixed-price and percentage based Fees
- · Fully customizable Fee Options and Price
- · Seamless integration with modern themes
- · Unlimited Product & Cart Fees
Premium Plan
- · Advanced Cart Rules engine
- · All features from Basin Plan
- · Geo-location targeting
- · Multi-language support for all Fee texts
Free
- · 20 orders a month, on your live store
- · All fee types, nothing held back
- · Keep 100% of what you collect
Starter
- · All fee types(fixed, percentage, mix)
- · Custom HTML/CSS support
- · Includes 50 orders/month
- · Multi-currency support
- · Priority support
- · Product-specific rules
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAdd flexible product fee and cart surcharge rules with addon fields (checkbox, radio, dropdown, text, date, auto-applied). Create small order fees and small order surcharge, shipping protection, product insurance, setup surcharge, installation fee, processing fee, priority processing, preferential shipping, order handling fee, gift wrapping, extended warranty, heavy shipment, and other extra charge flows.
Add cart surcharges, handling fees, and extra charges to Shopify checkout. Use for processing fees, expedited shipping, rush orders, shipping insurance, gift wrap service, tip collection, donation box, environmental fees, fragile item handling, oversized product charges, and custom service fees. Make a fee optional with a toggle your customer can switch on, or required so it is added to every cart and shown clearly.
- Cart item & cart-wide fees with flexible field types
- Fixed and percentage fees with customizable options
- Advanced cart rules with location-based targeting
- Multi-language support
- Add fixed, percentage, or combined fee types to any cart
- Create product-specific surcharge rules with flexible conditions
- Multi-currency support through Shopify Markets integration
- Clean install/uninstall using theme app extensions
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 |  Smart Fees & Product Addons |  TackOn |
|---|---|---|
| Detected stores | 6 | 36(ahead) |
| Net store change, 28 days | 0 | +1 |
| Stores added, 28 days | Not enough data | 2 |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Luggage & Bags, Apparel & Accessories, Business & Industrial | Apparel & Accessories, Home & Garden, Food, Beverages & Tobacco |
| Top store countries | Australia, United States | United States, Australia, Canada |
Reviews
| Measure | Smart Fees & Product Addons | TackOn |
|---|---|---|
| App Store rating | 5.0 ★(ahead) | 4.3 ★ |
| App Store reviews | 6(ahead) | 5 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Smart Fees & Product Addons | TackOn |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $8/month | $5/month(ahead) |
| Longest free trial | 7 days | 30 days |
| Plans listed | 2 | 2 |
Listing
| Measure | Smart Fees & Product Addons | TackOn |
|---|---|---|
| Shopify category rank | #351 | #211(ahead) |
| Shopify App Charts | Not on this week’s charts | #9 on Rookies in Upsell and cross-sell |
| Built for Shopify | No | Yes |
| Launched | Apr 13, 2026 | Dec 11, 2025 |
| Languages | 1 | 1 |
| Developer | WebPanda | Normalize |
FAQ
Smart Fees & Product Addons and TackOn: common questions
- Which is more popular, Smart Fees & Product Addons or TackOn?
- TackOn is detected on 6× as many Shopify stores as Smart Fees & Product Addons: 36 vs 6 as of Nov 8, 2026.
- Is Smart Fees & Product Addons or TackOn cheaper?
- Only TackOn lists a free plan. Paid plans start at $8/month for Smart Fees & Product Addons and $5/month for TackOn. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Smart Fees & Product Addons or TackOn?
- On the Shopify App Store: Smart Fees & Product Addons 5.0 from 6 reviews and TackOn 4.3 from 5 reviews.
- What features does each app list that the other doesn’t?
- Smart Fees & Product Addons lists 5 the others don’t mention, such as Bundles, Checkout upsell, Conversion rates, Multi-language. TackOn lists 2 the others don’t mention, such as Cart drawer, Sticky cart. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- 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.