ReConvert & AfterSell Alternatives: Keep 100% of Your Shopify Post-Purchase Upsell Revenue
Compare ReConvert and AfterSell alternatives that charge commission on post-purchase upsells. See how PostBoost's flat fee keeps 100% of your revenue.
Quick Verdict (TL;DR) PostBoost is a flat-fee post-purchase upsell app for Shopify that charges 0% commission on upsell revenue, unlike percentage-based alternatives. It uses Shopify's official Post-Purchase Checkout Extension API to show 1-click offers after payment, but requires Shopify Payments or a compatible gateway and is limited to one active post-purchase app at a time.
Merchants using percentage-based post-purchase upsell apps lose a slice of every additional sale, which silently erodes margins. As upsell revenue grows, so does the commission, turning a successful strategy into an expensive one. Many merchants don't realize how much they're paying until they compare flat-fee alternatives.
What to check first
Compare percentage revenue-share and order-tier billing on post-purchase upsells against a flat monthly subscription. Check Shopify Checkout settings to confirm which post-purchase extension is currently selected and verify gateway compatibility for 1-click order edits.
Side-by-side comparison
| Feature | Percentage-Based Apps (e.g., ReConvert, AfterSell) | PostBoost |
|---|---|---|
| Pricing model | Commission on upsell revenue or tiered usage | Flat monthly fee |
| Commission on upsell revenue | Typically a percentage (varies by app) | 0% |
| Cost predictability | Increases with revenue | Fixed |
| Checkout integration | Post-purchase extension (if supported) | Official Shopify Post-Purchase Checkout Extension API |
| 1-click upsell | Yes (if supported) | Yes, without re-entering payment details |
| Gateway requirement | Shopify Payments or compatible gateway | Shopify Payments or compatible gateway |
| Active post-purchase app limit | One at a time | One at a time |
Note: ReConvert and AfterSell pricing models may vary; check their current terms. PostBoost charges a flat monthly fee with 0% commission.
How to work through it
- Audit your current upsell costs: Review your app invoices and calculate how much commission you paid on post-purchase upsells last month. Compare that to a flat monthly fee.
- Check your Shopify Checkout settings: Go to Settings > Checkout in your Shopify admin and see which post-purchase app is currently active. Only one can be selected at a time.
- Verify gateway compatibility: Confirm that your store uses Shopify Payments or a compatible gateway that supports post-purchase extensions. If unsure, check Shopify's documentation or contact your gateway provider.
- Evaluate PostBoost: If you're paying percentage-based fees, compare your current costs to PostBoost's flat fee. Use the savings to reinvest in your store.
- Install and test: If you decide to switch, install PostBoost, set up your post-purchase offers, and run a test order to ensure the 1-click upsell works seamlessly.
- Monitor performance: Track upsell acceptance rates and revenue to ensure the switch maintains or improves your results.
Where the product fits
PostBoost is ideal for Shopify merchants who want a predictable, flat-fee post-purchase upsell solution without revenue-sharing. It's built on Shopify's official Post-Purchase Checkout Extension API, so it requires Shopify Payments or a compatible gateway. Also, only one post-purchase app can be active at a time, so you'll need to deactivate your current app before enabling PostBoost. PostBoost does not provide analytics beyond basic upsell tracking, and it focuses solely on post-purchase offers.
Next step
Ready to keep 100% of your upsell revenue? Try PostBoost free at https://postboost.getsearivo.com and see how a flat fee can boost your margins.
Frequently asked questions
Does PostBoost charge any commission on upsell revenue?
No, PostBoost charges a flat monthly fee with 0% commission on post-purchase upsell revenue. You keep all the additional revenue generated from upsells.
Can I use PostBoost alongside ReConvert or AfterSell?
No, Shopify allows only one active post-purchase extension at a time. You'll need to deactivate your current post-purchase app before enabling PostBoost.
What are the requirements to use PostBoost?
You need a Shopify store with Shopify Payments or a compatible gateway that supports post-purchase extensions. Also, ensure that no other post-purchase app is active in your checkout settings.