TackOn: Cart Fees & Surcharges
Add optional or required cart fees and surcharges with rules
4.3 stars · 5 reviews Built for Shopify · launched December 11, 2025
Categories: marketing and conversion upsell and bundles upsell and cross sell
What this rating is made of
- Written in the first day
- 50%
- 17% across its category
- 28% across the store
- Written in the first week
- 50%
- Median tenure at review
- 26 days
From the 2 most recent of its 5 reviews. Tenure is read at the review, so it sets a minimum for how long the merchant stayed.
How fast reviews arrive
- New reviews, last 30 days
- 1
- Ahead of 84% of apps in its category
- Apps in its category with fewer reviews
- 75%
- of 868 apps
Over time
Daily snapshots since tracking began.
4 Aug16 Sept29 Oct
4 Aug16 Sept29 Oct
4 Aug16 Sept29 Oct
Tenure at review
Covers the 2 most recent reviews captured, not the app's whole history.
under a day
1 · 5.00★
1-7 days
0 · -★
1-4 weeks
1 · 5.00★
1-3 months
0 · -★
3-6 months
0 · -★
6-12 months
0 · -★
1-2 years
0 · -★
over 2 years
0 · -★
Closest apps in marketing and conversion upsell and bundles upsell and cross sell
By review count, within the same primary category.
| App | Pricing | Rating | Reviews |
|---|---|---|---|
| Shoppers Edit Orders BFS | Free plan available | 5 | 5 |
| Product Addons Upsells engine | Free | 5 | 5 |
| FITS AI virtual try on fashion | Free plan available | 5 | 5 |
| SellMore Post Purchase Upsell | Free plan available | 5 | 5 |
| Carti: AI Shopping Assistant | Free plan available | 5 | 5 |
Figures come from public App Store pages and daily snapshots. Reviewers are a self-selecting minority of merchants, so none of this is a churn rate. How it's measured.