TackOn: Cart Fees & Surcharges vs Upcharge Surcharge Fee Tariff
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
- Upcharge Surcharge Fee Tariff is detected on 49× as many Shopify stores as TackOn: 1,756 vs 36 as of Nov 8, 2026.
- On the Shopify App Store: TackOn 4.3 from 5 reviews and Upcharge Surcharge Fee Tariff 4.8 from 202 reviews.
- Both list a free plan. Paid plans start at $5/month for TackOn and $9.99/month for Upcharge Surcharge Fee Tariff.
- TackOn lists 5 features Upcharge Surcharge Fee Tariff’s listing doesn’t mention, including Cart drawer, Custom HTML, One-click add-ons.
Head to head
Surcharges and order fees to increase your sales and AOV
- United States
- Australia
- Canada
- United States
- Canada
- United Kingdom
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
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
Development plan
- · Free for Shopify Development stores only
- · Full feature access for testing
Basic Plan
- · Customer tag-based conditions
- · Fixed & percentage fees
- · International tariffs & duties
- · Markets & location-based surcharges
- · POS-compatible fees
- · Required & optional fees
Shopify Plus Plan
- · Checkout fees
- · Dedicated account manager
- · Everything in Basic Plan, plus:
- · For Shopify Plus stores only
- · Payment & shipping method-based fees
- · Priority feature implementation
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAdd 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.
Our surcharge app helps you apply conditional fees, late fees, and automatic fees. Quickly add surcharge rules for a small order fee or one time fee. Manage checkout addons, dynamic addons, and free addons to collect an additional charge. Configure a payment surcharge, shipping surcharges, or a bottle deposit. Easily handle an order surcharge, rush fees, deposit fees, service fees, and checkout fees.
- 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
- Unlimited number of fees and surcharges.
- Fee input types: checkbox, drop-down, radio buttons, text, date, or hidden
- Two types of fees: fixed-amount fees, and percentage-based fees
- Settings and conditions that control when certain fees are applied or triggered
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 |  TackOn |  Upcharge Surcharge Fee Tariff |
|---|---|---|
| Detected stores | 36 | 1,756(ahead) |
| Net store change, 28 days | +1 | −19 |
| Stores added, 28 days | 2 | 35(ahead) |
| Big-brand share | Not enough data | 14% |
| Top store categories | Apparel & Accessories, Home & Garden, Food, Beverages & Tobacco | Apparel & Accessories, Food, Beverages & Tobacco, Home & Garden |
| Top store countries | United States, Australia, Canada | United States, Canada, United Kingdom |
Reviews
| Measure | TackOn | Upcharge Surcharge Fee Tariff |
|---|---|---|
| App Store rating | 4.3 ★ | 4.8 ★(ahead) |
| App Store reviews | 5 | 202(ahead) |
| New reviews, 28 days | Not enough data | 6 |
| Reviewers a year or more in | Not enough data | 33% |
Pricing
| Measure | TackOn | Upcharge Surcharge Fee Tariff |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $5/month(ahead) | $9.99/month |
| Longest free trial | 30 days | 14 days |
| Plans listed | 2 | 3 |
Listing
| Measure | TackOn | Upcharge Surcharge Fee Tariff |
|---|---|---|
| Shopify category rank | #211 | #40 |
| Shopify App Charts | #9 on Rookies in Upsell and cross-sell | #5 in Cart customization |
| Built for Shopify | Yes | Yes |
| Launched | Dec 11, 2025 | Jan 22, 2016 |
| Languages | 1 | 1 |
| Developer | Normalize | UC Lab LLC |
FAQ
TackOn and Upcharge Surcharge Fee Tariff: common questions
- Which is more popular, TackOn or Upcharge Surcharge Fee Tariff?
- Upcharge Surcharge Fee Tariff is detected on 49× as many Shopify stores as TackOn: 1,756 vs 36 as of Nov 8, 2026.
- Is TackOn or Upcharge Surcharge Fee Tariff cheaper?
- Both list a free plan. Paid plans start at $5/month for TackOn and $9.99/month for Upcharge Surcharge Fee Tariff. 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, TackOn or Upcharge Surcharge Fee Tariff?
- On the Shopify App Store: TackOn 4.3 from 5 reviews and Upcharge Surcharge Fee Tariff 4.8 from 202 reviews.
- What features does each app list that the other doesn’t?
- TackOn lists 5 the others don’t mention, such as Cart drawer, Custom HTML, One-click add-ons, Shipping protection. Upcharge Surcharge Fee Tariff lists 3 the others don’t mention, such as Conversion rates, Multi-currency, Priority processing. 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.