Aftersell Post Purchase Upsell vs Pier39 AI Post Purchase Offers
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 5, 2026.
The short answer
- Aftersell Post Purchase Upsell is detected on 35× as many Shopify stores as Pier39 AI Post Purchase Offers: 4,672 vs 135 as of Nov 5, 2026.
- On the Shopify App Store: Aftersell Post Purchase Upsell 4.9 from 1,119 reviews and Pier39 AI Post Purchase Offers 5.0 from 9 reviews.
- Only Aftersell Post Purchase Upsell lists a free plan.
- Aftersell Post Purchase Upsell lists 24 features Pier39 AI Post Purchase Offers’s listing doesn’t mention, including A/B testing, AI recommendations, Checkout upsell.
Head to head
- United States
- United Kingdom
- Australia
- United States
- Canada
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
DEVELOPMENT STORES
- · ONLY For Development & Partner Stores
Post-Purchase
- · Checkout Upsells, Add-ons, Upgrades
- · Multivariate Testing
- · One-Click Post-Purchase Offers
- · Smart Funnels
- · Subscription Upgrades
- · Thank-you Page Offers
Pre-Purchase
- · 18+ drag and drop blocks
- · AI Cart Building
- · Advanced analytics & A/B testing
- · Export & Import carts
- · Product Page Upsells
- · Rewards bars, free gifts & upsells
Complete
- · Everything in Post-Purchase
- · Everything in Pre-Purchase
- · Product Recommendation Engine
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAftersell helps you earn more from every order, without spending more on ads. Drive revenue with 1-click post-purchase upsells & use Smart Funnel AI to show shoppers the perfect offer. Grow AOV with an AI-powered cart featuring 18+ blocks, rewards & A/B testing. Customize your Thank You page with cross-sells, or add checkout widgets like upsells or testimonials (Shopify Plus).
Pier39 AI helps you earn more from every order while driving repeat purchases without extra marketing effort. After checkout, shoppers can discover curated offers from complementary brands and earn store credit or discount coupons for your store. Every engagement generates additional revenue for you while giving customers a reason to come back and buy again.
- Create post purchase one-click upsell & downsell offers (single & multi-product)
- Customize thank you page with reviews, FAQs, upselling and cross-selling, & more
- Modify checkout page with order bump upsells & more (Shopify Plus Exclusive)
- Trigger upsells by products, cart value, customer tag, language, UTM, and more
- Earn revenue from every customer with post-checkout brand engagements
- Reward shoppers with store credits/ discount coupons to boost repeat purchases
- No-code setup with smooth post-checkout offer placements
- Access real-time analytics to track engagement and revenue performance
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 |  Aftersell Post Purchase Upsell |  Pier39 AI Post Purchase Offers |
|---|---|---|
| Detected stores | 4,672(ahead) | 135 |
| Net store change, 28 days | −25 | 0 |
| Stores added, 28 days | 122 | Not enough data |
| Big-brand share | 25% | Not enough data |
| Top store categories | Apparel & Accessories, Health & Beauty, Home & Garden | Home & Garden, Arts & Entertainment, Health & Beauty |
| Top store countries | United States, United Kingdom, Australia | United States, Canada |
Reviews
| Measure | Aftersell Post Purchase Upsell | Pier39 AI Post Purchase Offers |
|---|---|---|
| App Store rating | 4.9 ★ | 5.0 ★(ahead) |
| App Store reviews | 1,119(ahead) | 9 |
| New reviews, 28 days | 22 | Not enough data |
| Reviewers a year or more in | 25% | Not enough data |
Pricing
| Measure | Aftersell Post Purchase Upsell | Pier39 AI Post Purchase Offers |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $34.99/month | No monthly plan listed |
| Longest free trial | 30 days | Not listed |
| Plans listed | 4 | Not published |
Listing
| Measure | Aftersell Post Purchase Upsell | Pier39 AI Post Purchase Offers |
|---|---|---|
| Shopify category rank | Not enough data | #78 |
| Shopify App Charts | #8 in Upsell and cross-sell | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Dec 31, 2019 | Dec 13, 2024 |
| Languages | 1 | 1 |
| Developer | Rokt | Pier39 AI |
FAQ
Aftersell Post Purchase Upsell and Pier39 AI Post Purchase Offers: common questions
- Which is more popular, Aftersell Post Purchase Upsell or Pier39 AI Post Purchase Offers?
- Aftersell Post Purchase Upsell is detected on 35× as many Shopify stores as Pier39 AI Post Purchase Offers: 4,672 vs 135 as of Nov 5, 2026.
- Is Aftersell Post Purchase Upsell or Pier39 AI Post Purchase Offers cheaper?
- Only Aftersell Post Purchase Upsell lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Aftersell Post Purchase Upsell or Pier39 AI Post Purchase Offers?
- On the Shopify App Store: Aftersell Post Purchase Upsell 4.9 from 1,119 reviews and Pier39 AI Post Purchase Offers 5.0 from 9 reviews.
- What features does each app list that the other doesn’t?
- Aftersell Post Purchase Upsell lists 24 the others don’t mention, such as A/B testing, AI recommendations, Checkout upsell, Click-through rates. Pier39 AI Post Purchase Offers lists 6 the others don’t mention, such as Cash back, Cash back programs, Coupons, Discounts. 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 Nov 5, 2026; estimated figures are labeled.
Keep comparing
More matchups
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 Nov 5, 2026. 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.