Orderboost vs Sellify Post Purchase Upsell
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for Orderboost, Nov 9, 2026 for Sellify Post Purchase Upsell.
The short answer
- Only Orderboost lists a free plan.
- Sellify Post Purchase Upsell lists 8 features Orderboost’s listing doesn’t mention, including AI recommendations, Checkout upsell, Click-through rates.
Head to head
- Germany
- United States
- France
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · As many post-purchase offers as you want
- · Up to $300 in upsell revenue
Pro
- · As many post-purchase offers as you want
- · Unlimited upsell revenue
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureOrderboost is a way to add post-purchase upsells to your Shopify store. Merchants set up their first offer in under 60 seconds. Customers accept with one click—no re-entering payment. Orderboost automatically displays in your buyer's language, so you can sell globally without extra configuration (16+ supported languages).
Sellify increases your AOV with upsell offers at every step. Add a product page upsell with cross sell recommendations like "You might also like". Place a checkout upsell inside the checkout (Shopify Plus only). Or trigger a post purchase upsell in one click: the customer accepts without re-entering payment details.
- Set up your first post-purchase upsell in under 60 seconds
- Customers accept upsells with one click, no re-entering payment
- Automatically displays in your buyer's language across 16 locales
- Create customized post purchase upsell with one-click upsell and downsell offer
- Personalized Thank you page with upsell, special discount, countdown timer
- Trigger your One click upsells (OCP) Funnels according to your own rules
- Trigger your One click upsells according to your own rules
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 |  Orderboost |  Sellify Post Purchase Upsell |
|---|---|---|
| Detected stores | Not published | 31 |
| 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 | Health & Beauty, Apparel & Accessories, Food, Beverages & Tobacco |
| Top store countries | Not published | Germany, United States, France |
Reviews
| Measure | Orderboost | Sellify Post Purchase Upsell |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 26 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Orderboost | Sellify Post Purchase Upsell |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $29/month | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | 2 | Not published |
Listing
| Measure | Orderboost | Sellify Post Purchase Upsell |
|---|---|---|
| Shopify category rank | #611 | #67(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | Yes |
| Launched | Feb 26, 2026 | Dec 16, 2024 |
| Languages | 15 | 1 |
| Developer | Orderboost | Sellify app |
FAQ
Orderboost and Sellify Post Purchase Upsell: common questions
- Is Orderboost or Sellify Post Purchase Upsell cheaper?
- Only Orderboost 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.
- What features does each app list that the other doesn’t?
- Sellify Post Purchase Upsell lists 8 the others don’t mention, such as AI recommendations, Checkout upsell, Click-through rates, 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 Oct 13, 2026 for Orderboost, Nov 9, 2026 for Sellify Post Purchase Upsell; 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 Oct 13, 2026 for Orderboost, Nov 9, 2026 for Sellify Post Purchase Upsell. 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.