---
title: "Spark Post Purchase Upsell Shopify App Profile"
description: "Flawlessly integrated into Shopify checkout, Spark lets customers catch irresistible upsell and downsell offers the moment they complete a purchase - no re-entry of payment details required. One click is all it takes. Build multi-step funnels where every response leads to the perfect next offer. Easily personalize offers with 20\\+ targeting rules - product ordered, cart value, customer tags, purchase history, and time of day. Customize layouts, colors, and copy to match your brand flawlessly."
canonical_url: "https://shoplist.co/shopify-apps/spark-post-purchase-upsell"
markdown_url: "https://shoplist.co/shopify-apps/spark-post-purchase-upsell.md"
last_updated: "2026-10-13"
entity_type: "shopify_app"
slug: "spark-post-purchase-upsell"
source: "public Shopify app profile allowlist"
---

# Spark Post Purchase Upsell Shopify App Profile

> Flawlessly integrated into Shopify checkout, Spark lets customers catch irresistible upsell and downsell offers the moment they complete a purchase - no re-entry of payment details required. One click is all it takes. Build multi-step funnels where every response leads to the perfect next offer. Easily personalize offers with 20\+ targeting rules - product ordered, cart value, customer tags, purchase history, and time of day. Customize layouts, colors, and copy to match your brand flawlessly.

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

## Key facts
- Name: Spark Post Purchase Upsell
- Monitoring status: First-adopter watch
- Developer: 9figures LLC
- Developer profile: https://shoplist.co/app-developers/swiftnine
- Shopify App Store URL: https://apps.shopify.com/spark-post-purchase-upsell
- Website: https://www.swiftnine.com
- Launch date: May 13, 2026
- Shoplist category: Upsell and cross-sell

## Pricing summary
Basic: $2.99/month; Pro: $9.99/month; Business: $24.99/month; Enterprise: $59.99/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
- Build multi-step funnels with accept and decline branching paths
- Personalize offers with 20\+ rules - products, tags, order value, time of day
- One-click acceptance - no payment re-entry, no cart editing
- Per-offer analytics — impressions, conversions, and revenue
- Automatic downsell paths when customers decline your upsell
## Shopify App Store categories
- Upsell and cross-sell
- Cart customization

## Data note
Profile updated: October 13, 2026. This is the profile revision date, not a guarantee that every store was checked on that date.
Public snapshot built: 2026-10-30 17:19:59.866149\+00
Detection metrics refreshed: 2026-10-30 14:53:23.662062\+00
Public app evidence date: 2026-10-13 10:06:23.77358\+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/spark-post-purchase-upsell)
- [Shopify apps directory](https://shoplist.co/shopify-apps)
- [Shoplist data methodology](https://shoplist.co/data-methodology.md)