---
title: "Checkout Upsell — Addonn Shopify App Profile"
description: "Turn checkout into revenue with optional service add-ons. Offer express shipping, gift services, warranties, and premium extras with one-click toggle widgets. Native Shopify Plus checkout integration means no pop-ups or redirects. You keep 100% revenue—zero commissions ever. Built for global stores with multi-currency and translation support. Create up to 10 add-ons with fixed or percentage pricing. Customers choose extras at checkout, you get automatic revenue. Works with high-volume stores."
canonical_url: "https://shoplist.co/shopify-apps/addonn-checkout-addon-upsell"
markdown_url: "https://shoplist.co/shopify-apps/addonn-checkout-addon-upsell.md"
last_updated: "2026-09-13"
entity_type: "shopify_app"
slug: "addonn-checkout-addon-upsell"
source: "public Shopify app profile allowlist"
---

# Checkout Upsell — Addonn Shopify App Profile

> Turn checkout into revenue with optional service add-ons. Offer express shipping, gift services, warranties, and premium extras with one-click toggle widgets. Native Shopify Plus checkout integration means no pop-ups or redirects. You keep 100% revenue—zero commissions ever. Built for global stores with multi-currency and translation support. Create up to 10 add-ons with fixed or percentage pricing. Customers choose extras at checkout, you get automatic revenue. Works with high-volume stores.

## Quick answer
Checkout Upsell — Addonn has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: Checkout Upsell — Addonn
- Monitoring status: Storefront detection limited
- Developer: Appiers
- Developer profile: https://shoplist.co/app-developers/appiers
- Shopify App Store URL: https://apps.shopify.com/addonn
- Launch date: November 5, 2025
- Shoplist category: Shipping & Fulfillment
- Rating: 5
- Review count: 5
- Free plan signal: Yes
- Free trial signal: Yes

## Pricing summary
Starter: Free; Premium: $39.95/month; Growth: $69.95/month

Shoplist has not yet found reliable public storefront evidence connecting a Shopify store to this app. This does not mean the app has no users. Some apps are new, admin-only, server-side, theme-independent, or otherwise difficult to detect from public storefront signals.


## Public callouts
- Upsell optional add-ons directly inside Shopify Checkout
- Set fixed or flexible add-on prices based on cart value
- Built-in automatic multi-currency support — no extra setup needed
## Shopify App Store categories
- Upsell and cross-sell

## Data note
Profile updated: September 13, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-10-13 21:00:59.021033\+00
Detection metrics refreshed: 2026-10-16 05:10:00.061122\+00
Public app evidence date: 2026-09-13 17:55:23.963269\+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/addonn-checkout-addon-upsell)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)