---
title: "SELLIT9 Trade‑in, Discounts Shopify App Profile"
description: "Turn customers' pre-owned items into instant store credit \\(gift cards or discount codes\\), unlocking savings before checkout. Customers trade in used items and receive instant store credit. Merchants never touch the trade-ins, SELLIT9 handles everything - reimbursing the merchant for the credit issued. Boost engagement, increase order value, conversion rates, and strengthen loyalty. Trade-ins instead of markdowns - a competitive advantage for your store, while fostering sustainability."
canonical_url: "https://shoplist.co/shopify-apps/sellit9-trade"
markdown_url: "https://shoplist.co/shopify-apps/sellit9-trade.md"
last_updated: "2026-07-18"
entity_type: "shopify_app"
slug: "sellit9-trade"
source: "public Shopify app profile allowlist"
---

# SELLIT9 Trade‑in, Discounts Shopify App Profile

> Turn customers' pre-owned items into instant store credit \(gift cards or discount codes\), unlocking savings before checkout. Customers trade in used items and receive instant store credit. Merchants never touch the trade-ins, SELLIT9 handles everything - reimbursing the merchant for the credit issued. Boost engagement, increase order value, conversion rates, and strengthen loyalty. Trade-ins instead of markdowns - a competitive advantage for your store, while fostering sustainability.

## Quick answer
SELLIT9 Trade‑in, Discounts has 0 detected stores in Shoplist. This Markdown profile displays 0 public brand examples; it is not a complete customer list.

## Key facts
- Name: SELLIT9 Trade‑in, Discounts
- Monitoring status: Storefront detection limited
- Developer: Sell It9 Inc
- Developer profile: https://shoplist.co/app-developers/sell-it9-inc
- Shopify App Store URL: https://apps.shopify.com/sellit9-trade
- Launch date: April 21, 2025
- Shoplist category: Loyalty & Referrals
- Rating: 5
- Review count: 5

## Pricing summary
Free

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
- Trade-in: Let customers trade in items for immediate checkout credit.
- Seamless Integration: Easily connect to your store, and we help drive awareness.
- Sustainable Solution: Appeal to customers seeking eco-friendly shopping options.
## Shopify App Store categories
- Discounts

## Data note
Profile updated: July 18, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-10-13 23:41:16.118095\+00
Detection metrics refreshed: 2026-10-21 05:10:00.074882\+00
Public app evidence date: 2026-07-18 01:55:17.163543\+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/sellit9-trade)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)