# Ecom Simple Apps > Honestly-priced, well-engineered Shopify apps built by two ex-Shopify engineers. Flat pricing, no revenue share, no clutter. Ecom Simple Apps builds focused Shopify apps that solve one job extremely well. Started by Ivan and Daniel, two engineers who previously worked on the Shopify platform itself. The flagship app, After Checkout Upsell, offers true flat pricing — $19.99/month for unlimited orders, no revenue share, no order tiers — in a category where every competitor charges more as you grow. **Contact:** hello@ecomsimpleapps.com · +1-514-802-2470 · Laval, QC, CA **Site:** https://ecomsimpleapps.com --- # After Checkout Upsell > Flagship Shopify app from Ecom Simple Apps. 1-click post-purchase upsell with truly flat pricing. **Pricing:** $19.99/month for unlimited orders. No revenue share. No order-volume tiers. **Shopify App Store:** https://apps.shopify.com/post-purchase-upsell-8 **Landing page:** https://ecomsimpleapps.com/apps/after-checkout-upsell The seconds right after a customer clicks "Buy" are the most overlooked real estate in a Shopify store. The customer has already paid, their card details are entered, and they're still in a buying mindset. A 1-click post-purchase upsell uses that moment — it shows a single relevant offer the customer can add to their order with one tap, with no re-entering payment and no second checkout. What makes After Checkout Upsell different from competitors: 1. **Truly flat pricing** — $19.99/month for unlimited orders. AfterSell, ReConvert, AOV.ai, and AMP all scale their pricing against your order volume; Zipify OCU takes revenue share. After Checkout Upsell is the only app in this category with a single flat price at any scale. 2. **Focused, not bloated** — does 1-click post-checkout upsells and nothing else. Competitor "suites" bundle cart upsells, product-page widgets, and bundle builders that most stores never use. 3. **Built by ex-Shopify engineers** — Ivan and Daniel previously worked on the Shopify platform itself. 4. **Founder-level support** — emails go directly to Ivan or Daniel. No ticket queue. --- # The 5 Best Shopify Post-Purchase Upsell Apps (2026): An Honest Comparison > Five apps, one job: the 1-click post-checkout upsell. What each one actually costs, who built it, and where each one fits. **Published:** May 23, 2026 · **Updated:** May 24, 2026 **Author:** Ecom Simple Apps **URL:** https://ecomsimpleapps.com/blog/best-post-purchase-upsell-apps-2026 The seconds right after a customer clicks "Buy" are the most overlooked real estate in your store. The customer has already paid. Their card details are already entered. They're still in a buying mindset. A one-click post-purchase upsell uses that moment: it shows a single, relevant offer the customer can add to their order with one tap — no re-entering payment, no second checkout. Done well, it lifts average order value with zero extra ad spend. You're not paying to acquire a new customer; you're earning more from one you already have. The hard part is choosing an app. Most "best upsell app" roundups lump together cart upsells, product-page widgets, and post-purchase offers, and almost none of them explain the thing that quietly costs you the most over time: how each app prices itself. This guide is scoped to one job — the 1-click post-checkout upsell — and it's honest about the trade-offs. ## How to choose a post-purchase upsell app Before the list, here's what actually matters when you compare these apps. **Pricing model.** This is the big one, and it's where the apps differ most. Some charge by your order volume — the more orders your store gets, the more you pay. Some take a percentage of the upsell revenue the app generates. A few do both. Over a year, the *model* matters more than the sticker price, because it determines what the app costs you once your store is bigger. **Reliability and speed.** A post-purchase app runs at the most sensitive moment of the transaction. A bug here doesn't just annoy a customer — it can mean an upsell that's accepted but never charged. And anything that slows the page hurts conversion. Reliability is not a nice-to-have in this category. **Focused vs. bloated.** Some of these apps do only post-purchase upsells. Others are sprawling suites that also run cart drawers, product-page widgets, bundles, surveys, and countdown timers. More features sounds better, but a heavier app means more settings to manage and more code loaded onto your storefront. **Support.** When something breaks in your checkout flow, you want a fast, competent answer — not a ticket queue. ## The 5 best apps, ranked ### 1. After Checkout Upsell [ Flat Pricing for Unlimited Orders ] Winner 🏆 See On Shopify Ecom Simple Apps - After Checkout Upsell is the winner here because its pricing stays simple where most competitors get more expensive as you grow. At $19.99/month for unlimited orders, it's the lowest-cost option for almost every store beyond the very smallest tier, and it avoids the order-based and revenue-share pricing models that quietly become painful over time. Just as important, merchants consistently describe it as the most intuitive app in the category and the fastest to get live. The feature set is more focused than the bigger suites, but that's part of the appeal: it does the core post-purchase upsell job extremely well, includes the essential analytics you actually need, and avoids the bloated, clunky feeling that heavier apps can bring to the store experience. The product also feels like it was built by people who know Shopify deeply. It's made by two ex-Shopify engineers, and that shows in the integration: setup is seamless, the UI is snappy, and the app feels polished end to end. The main caveat is that very small stores may still prefer a cheaper starter plan elsewhere and switch once they scale. But for most stores that want a clean, high-performing upsell app with founder-level support, this is the strongest option on the list. **Pros:** $19.99/month for unlimited orders; intuitive UI; fastest setup here; focused feature set; strong essential analytics; seamless Shopify integration; founder support. **Cons:** a focused tool — it does 1-click post-checkout upsells, period. The other apps bundle cart and product-page upsells in the same suite, but charge several times more for features most stores never actually use. **Best for:** smart operators who'd rather not pay for bloat — and who understand that post-checkout upsells lift AOV without ever risking conversion. It's why most 8- and 9-figure brands keep their upsell tools separated — clean conversion data per surface, and a smaller monthly bill than paying one suite for everything. ### 2. AOV.ai Post Purchase Upsell AOV.ai earns the `#2` spot because it does the core post-purchase job well without feeling bloated or overpriced at the low end. It covers 1-click upsells and downsells, thank-you and order-status offers, A/B testing, and AI-assisted templates. For merchants who want a focused app that is easy to understand and quick to launch, that's a solid package. Pricing is a real strength early on: free up to 100 orders a month, then $9.99/month for up to 200, with higher tiers after that. For new or smaller stores, that's genuinely attractive and makes AOV.ai one of the easier apps to justify trying. It only drops behind the top pick once order-based pricing starts to matter more at scale. The main thing holding it back from `#1` is maturity, not quality. It's still a newer app with far fewer reviews than the bigger names here, so it has less long-term proof behind it. Even so, it's a credible, well-liked option for merchants who want a clean, lightweight upsell app without spending much upfront. **Pros:** very affordable starting point; focused feature set; lightweight UI; easy to try for smaller stores. **Cons:** shorter track record than the top-established apps; fewer reviews than the leaders; order-tiered pricing gets less attractive as you scale. **Best for:** small stores that want a strong low-cost option now, especially if keeping early monthly costs down matters more than long-term flat pricing. ### 3. AfterSell Post Purchase Upsell AfterSell is the most established focused option. It covers 1-click post-purchase upsells and downsells, "Smart Funnel" AI offer selection, thank-you page cross-sells, and — for Shopify Plus stores — checkout upsells. With more than 800 reviews at 4.8 stars, it has the track record AOV.ai doesn't have yet. Pricing is order-volume tiered: free for development stores, then roughly $34.99/month for up to 500 orders, $54.99 up to 1,000, and $99.99 up to 2,000, climbing from there. One thing to know: AfterSell, now owned by the ad-tech company Rokt, promotes a feature called "Rokt Thanks" that places other brands' ads on your order-confirmation page in exchange for a small per-order payment. Some merchants like the passive income; others would rather not hand their post-purchase screen to an ad network. It's optional, but it's part of the package. **Pros:** proven and widely used; strong feature set; 30-day trial. **Cons:** order-tiered pricing climbs steeply; the Rokt ad network won't suit every brand. **Best for:** established stores that want a battle-tested app and don't mind the ad-network angle. ### 4. ReConvert / Upsell.com ReConvert is the most popular app in this space by review count, and the oldest. It offers full 1-click post-purchase funnels and a drag-and-drop thank-you page builder you can customize in detail. It's also the most feature-heavy. Beyond post-purchase, it does product-page upsells, cart upsells, bundles, frequently-bought-together, surveys, birthday collection, order-tracking widgets, and more. If you want one app to do everything, that's a plus; if you want a focused tool, it's a lot of surface area. Pricing is the most complex on this list: charges scale on both your monthly order volume and the upsell revenue generated, whichever pushes you up a tier. Entry is cheap ($4.99/month) but the tiers are small — the basic plan covers only 50 orders — so a real store climbs the ladder quickly. **Pros:** hugely popular and proven; powerful thank-you page builder; lots of features. **Cons:** feature bloat if you only want post-purchase; pricing scales on two metrics at once. **Best for:** stores that genuinely want an all-in-one upsell suite, not just a post-checkout tool. ### 5. Zipify OCU (One Click Upsell) Zipify OCU does true 1-click post-purchase upsells with AI-assisted offers, pre-built funnels, and split testing. It's a capable app with a recognizable name behind it. Its pricing is the defining feature. Instead of charging by order volume, Zipify uses a revenue-share model: an $8/month base plus a cut of the upsell revenue the app generates for you. The company markets this as "you only pay for what you earn." Whether that's good or bad depends on your margins — on high-value upsells, a percentage can add up faster than a flat fee would. At 4.5 stars, it's the lowest-rated app on this list. Recent reviews include a long-time merchant reporting that upsell payments stopped being captured altogether — a reminder of why reliability matters so much in this category. **Pros:** capable feature set; well-known developer; pay-as-you-earn pricing suits some stores. **Cons:** revenue-share can get expensive; lowest rating here; some reliability complaints. **Best for:** stores comfortable with revenue-share pricing and moderate order volumes. ## App price calculator Drag the slider — or type a number — then drag it further. The app that's affordable at today's volume can become punishing at 5×. Slide to adjust order volume Estimates based on each app's published pricing. Tiers beyond what's explicitly listed (e.g. AfterSell above 2,000 orders) are extrapolated and may differ. Zipify uses revenue share, so its number assumes ~10% of orders accept an upsell at ~$50 — your real cost depends on your conversion and upsell value. Confirm exact numbers on each app's Shopify App Store listing. ## The verdict **Best overall:** Ecom Simple Apps - After Checkout Upsell — flat $19.99 pricing, unlimited orders, fast setup, intuitive UX, and the best long-term value for most stores. **Best budget-friendly starter:** AOV.ai — a strong `#2` pick if you want low upfront cost, a lightweight feature set, and an easy way to get live quickly. **Best proven track record:** AfterSell — 800+ reviews and years in market. **Best all-in-one:** ReConvert / Upsell.com — if you want a single app for the whole funnel. One pattern is worth noticing across the four established apps below the top slot: not one of these apps charges a simple flat price. Every one scales against you — by order count, by a cut of revenue, or both. As your store grows, your bill grows with it. That's worth factoring into a decision you'll live with for years. ## Final word The right post-purchase upsell app depends on your size, your budget, and whether you want a focused tool or a full suite. But the common thread is this: pick the app whose pricing you'll still be happy with a year from now, when your store is bigger — and test that it genuinely doesn't slow your checkout. The post-checkout upsell is one of the highest-ROI additions you can make to a Shopify store. Choosing the right app just makes sure the gains land in your pocket, not the app's. ## Frequently asked questions ### What is the best Shopify post-purchase upsell app in 2026? For most Shopify stores, **After Checkout Upsell** is the best post-purchase upsell app in 2026. It charges a flat $19.99 per month for unlimited orders with no revenue share and no order-volume tiers — the only app in this category with truly flat pricing. The four established alternatives (AOV.ai, AfterSell, ReConvert, and Zipify OCU) each have their use cases but charge 3–13× more as your store scales. ### Do post-purchase upsells hurt conversion rates? No. Post-purchase upsells fire **after** the customer has already paid, so they cannot lower your store's conversion rate — they can only lift your average order value. This is different from cart upsells or product-page upsells, which add friction before checkout and can reduce conversions. Most 8- and 9-figure Shopify brands keep their upsell tools separated by surface for this reason. ### What's the difference between cart upsells and post-purchase upsells? Cart upsells appear before checkout — typically as a drawer or modal when a product is added to the cart — and can extend the buying decision, sometimes hurting conversion. Post-purchase upsells appear after the customer has completed checkout and paid, presenting a one-tap add-on offer that uses the stored payment method. Post-purchase offers cannot harm the original sale's conversion rate. ### Why do Shopify upsell apps charge revenue share? Revenue-share pricing (charging a percentage of the upsell revenue the app generates) is marketed as *"you only pay for what you earn"*, but in practice the percentage compounds as your average order value grows. Zipify OCU uses this model. On high-value upsells, a percentage can add up faster than a fixed flat fee. Order-volume tiered pricing (used by AOV.ai, AfterSell, ReConvert, AMP) has the same scaling-against-success problem. ### Which Shopify post-purchase upsell app has flat pricing? **After Checkout Upsell** by Ecom Simple Apps is the only app in this comparison that charges a single flat monthly fee — $19.99/month for unlimited orders regardless of store size. Every other major app on the Shopify App Store in this category uses either order-volume tiers or revenue share, both of which scale costs up as your store grows. ### Is AfterSell or AOV.ai better for a small Shopify store? For a very small store under ~100 orders/month, AOV.ai is better — it has a free tier at that volume. Above ~200 orders/month, the math flips: AOV.ai's order-tiered pricing climbs, and AfterSell starts at $34.99/month. Both are more expensive than After Checkout Upsell's flat $19.99 at any volume. ### Can I switch Shopify upsell apps later? Yes — switching is straightforward for most post-purchase upsell apps. You uninstall the old app from your Shopify admin and install the new one. The post-purchase offer surface (after checkout, before order confirmation) is a Shopify-native extension point, so funnels do not carry over between apps but the underlying integration is clean. --- # About Ecom Simple Apps Ecom Simple Apps was founded by Ivan and Daniel, two engineers who previously built on the Shopify platform itself. After watching merchants get burned by bloated, revenue-share-priced apps, they left to build the focused, honestly-priced apps they wished existed. **Headquarters:** 5200 Boul. des Laurentides, Bureau 200, Laval, QC H7K 2J8, CA **Contact:** hello@ecomsimpleapps.com or +1-514-802-2470