---
title: "AddOnce Shopify App Profile"
description: "AddOnce lets merchants present optional products and services directly on the product page. Create a Companion Product once, then attach it to any product where it belongs. Because AddOnce uses native products, inventory, variants, and fulfillment continue to work as expected. Customers choose optional add-ons before adding to cart, and each item is added as its own native cart line."
canonical_url: "https://shoplist.co/shopify-apps/addonce"
markdown_url: "https://shoplist.co/shopify-apps/addonce.md"
last_updated: "2026-10-14"
entity_type: "shopify_app"
slug: "addonce"
source: "public Shopify app profile allowlist"
---

# AddOnce Shopify App Profile

> AddOnce lets merchants present optional products and services directly on the product page. Create a Companion Product once, then attach it to any product where it belongs. Because AddOnce uses native products, inventory, variants, and fulfillment continue to work as expected. Customers choose optional add-ons before adding to cart, and each item is added as its own native cart line.

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

## Key facts
- Name: AddOnce
- Monitoring status: First-adopter watch
- Developer: Bison 46 Labs
- Developer profile: https://shoplist.co/app-developers/aaron-dickey
- Shopify App Store URL: https://apps.shopify.com/addonce
- Launch date: July 31, 2026
- Shoplist category: Shipping & Fulfillment

## Pricing summary
AddOnce Unlimited: $99 one-time charge

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.


## App Signals
As of November 7, 2026:

- Stores running it: 0, 0.0% of the stores Shoplist tracks
- Store movement, last 28 days: +0 new stores, +0 returning, −0 removed, net 0 (estimated)
- Primary App Store category: Upsell and cross-sell, #663 (14-day median position)
- Listing reviews: 0

## Public callouts
- Add optional add-ons with native Shopify products
- Create once. Attach to unlimited products.
- Customers add each selection as independent Shopify cart lines
- Automatically supports single- and multi-variant companion products
- Theme App Extension with zero storefront impact until enabled
## Shopify App Store categories
- Upsell and cross-sell

## Data note
Profile updated: October 14, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-11-07 12:42:15.742219\+00
Detection metrics refreshed: 2026-11-07 10:00:00.847158\+00
Public app evidence date: 2026-10-14 03:00:24.089813\+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/addonce)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)