Flash Post Purchase Upsell vs Post Purchase Upsell—ReSell
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Jun 17, 2026 for Flash Post Purchase Upsell, Nov 9, 2026 for Post Purchase Upsell—ReSell.
The short answer
- Post Purchase Upsell—ReSell lists 9 features Flash Post Purchase Upsell’s listing doesn’t mention, including A/B testing, AI recommendations, Drag-and-drop editor.
Head to head
- United States
- United Kingdom
- Germany
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Flex
- · 100 store orders free/mo
- · 24/7 chat, email, phone & video calls
- · 5% on upsell revenue
- · Free cart upsell add-on
Standard
- · 24/7 chat, email, phone & video calls
- · 250 store orders included/mo
- · Commission-free upsells
- · Free cart upsell add-on
- · Then $0.20 per order
Professional
- · 1,000 store orders included/mo
- · 24/7 chat, email, phone & video calls
- · Commission-free upsells
- · Free cart upsell add-on
- · Then $0.20 per order
Unlimited
- · 24/7 chat, email, phone & video calls
- · Commission-free upsells
- · Free cart upsell add-on
- · Lifetime price lock
- · No usage charges ever
- · Unlimited store orders
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureFlash Upsell adds high-converting post-purchase upsell and downsell offers in minutes. no coding. The moment payment clears, a one-click offer appears on the post-purchase page and adds to the order instantly. Decline it? A follow-up on the thank-you page recovers the sale. A/B test two variants with live analytics to see what converts, and customize every offer to match your store's branding.
Get an ultimate sales boost by reconverting buyers after payment: a post purchase offer before the thank you page, upsell bundles on the checkout page, upsell & cross sell with related products and recommended products. A post checkout upsell and order status page upsell keep selling, and a multi-product downsell follows a declined offer.
- One-tap upsells in the post-purchase page right after payment — no redirects, no
- A second offer on the thank-you page recovers customers who declined the first.
- AI auto-translates every offer into the customer's language across 10 locales.
- Checkout and post-purchase one click upsell and automatic cross-sell offers
- Offer customers to make a new purchase with Thank you page upsell promotions
- Upselling and cross-selling widgets to improve your checkout and Thank you page
- Personalized recommendations or products that are frequently bought together
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Flash Post Purchase Upsell |  Post Purchase Upsell—ReSell |
|---|---|---|
| Detected stores | Not published | 53 |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Apparel & Accessories, Home & Garden, Health & Beauty |
| Top store countries | Not published | United States, United Kingdom, Germany |
Reviews
| Measure | Flash Post Purchase Upsell | Post Purchase Upsell—ReSell |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 72 |
| New reviews, 28 days | Not enough data | 2 |
| Reviewers a year or more in | Not enough data | 31% |
Pricing
| Measure | Flash Post Purchase Upsell | Post Purchase Upsell—ReSell |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $0.99/month |
| Longest free trial | Not listed | 30 days |
| Plans listed | Not published | 4 |
Listing
| Measure | Flash Post Purchase Upsell | Post Purchase Upsell—ReSell |
|---|---|---|
| Shopify category rank | #770 | #90(ahead) |
| Shopify App Charts | Not on this week’s charts | #20 on Featured by Shopify in Upsell and cross-sell |
| Built for Shopify | No | Yes |
| Launched | May 12, 2026 | Jun 28, 2022 |
| Languages | 1 | 4 |
| Developer | Smart Upsell | DevIT |
FAQ
Flash Post Purchase Upsell and Post Purchase Upsell—ReSell: common questions
- What features does each app list that the other doesn’t?
- Flash Post Purchase Upsell lists 4 the others don’t mention, such as Conversion rates, Custom CSS, Custom HTML, Volume discounts. Post Purchase Upsell—ReSell lists 9 the others don’t mention, such as A/B testing, AI recommendations, Drag-and-drop editor, Free shipping. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Jun 17, 2026 for Flash Post Purchase Upsell, Nov 9, 2026 for Post Purchase Upsell—ReSell; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Jun 17, 2026 for Flash Post Purchase Upsell, Nov 9, 2026 for Post Purchase Upsell—ReSell. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.