BYG ‑ Post Purchase Survey AI vs Checkout Extensions
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026 for BYG, Nov 2, 2026 for Checkout Extensions.
The short answer
- Both list a free plan. Paid plans start at $9.99/month for BYG and $9.99/month for Checkout Extensions.
- BYG lists 8 features Checkout Extensions’s listing doesn’t mention, including Analytics, Click-through rates, Custom rules.
Head to head
Post purchase upsell | One click upsell | Thank you upsell
- Australia
- India
- United Kingdom
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 30 responses/month
- · Basic email support
Pro
- · 1000 responses/month
- · Actionable Analysis
- · Advance Post Purchase Surveys rules
- · Free +
- · Priority support (Chat, Email)
Advanced
- · AI powered analytcis
- · Klaviyo integration
- · Priority support (Chat, Email, Slack)
- · Pro+
- · Unlimited responses
Free
- · 1 post-purchase upsell offer
- · Analytics
- · Custom messages & terms checkbox
- · Email & live chat support
- · Order validations & limits
- · Payment & shipping method rules
Starter
- · Checkout upsells, free gifts
- · Checkout-step blocks need Shopify Plus
- · Email & live chat support
- · Image banners & gift wrap message
- · Non-Plus: all Thank you page blocks
- · Post-purchase upsell + call to action
Growth
- · Call to action & contact info blocks
- · Email & live chat support
- · Everything in Starter
- · Shopify Plus stores only
- · Trust badges & payment icons
Plus
- · A/B testing for checkout blocks
- · Everything in Growth
- · Priority support
- · Shopify Plus stores only
- · Surveys & forms
- · Testimonials & line item ratings
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureBYG helps Shopify stores learn where customers came from and why they buy. Add a post purchase survey to your thank you page, ask "How did you hear about us?" for attribution, and track NPS and customer satisfaction on every order. Show questions by product, order or customer data, with conditional logic for smart follow ups.
Enhance your Shopify checkout with smarter personalization and conversion optimization. Customize Checkout, Thank You, and Order Status pages based on cart, customer, and order data. Use flexible rules, AI-powered experiences, and A/B testing to deliver more relevant content and offers, improve engagement, and increase average order value (AOV).
- Offer One-Click Upsell opportunities so customers can easily add to their orders
- Offer One Click Upsell so customers don't need to re enter their payment info
- Customizable offers based on the customer, cart, product, and other criteria
- Enables one-click upsell without re-entering payment information
- Checkout Upsells & Gift with Purchase Offers
- Trust Badges, Payment Icons & Testimonials
- Surveys & Custom Forms
- Post-Purchase Offers & Banners
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 |  BYG |  Checkout Extensions |
|---|---|---|
| Detected stores | 4 | Not published |
| 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 | Apparel & Accessories, Electronics, Hardware | Not published |
| Top store countries | Australia, India, United Kingdom | Not published |
Reviews
| Measure | BYG | Checkout Extensions |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 4 | Not published |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | BYG | Checkout Extensions |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $9.99/month | $9.99/month |
| Longest free trial | 14 days | 14 days |
| Plans listed | 3 | 4 |
Listing
| Measure | BYG | Checkout Extensions |
|---|---|---|
| Shopify category rank | #89 | #675 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Apr 18, 2022 | May 29, 2026 |
| Languages | 1 | 1 |
| Developer | Post Purchase Deals | Boostora AI |
FAQ
BYG and Checkout Extensions: common questions
- Is BYG or Checkout Extensions cheaper?
- Both list a free plan. Paid plans start at $9.99/month for BYG and $9.99/month for Checkout Extensions. 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?
- BYG lists 8 the others don’t mention, such as Analytics, Click-through rates, Custom rules, Custom styles. Checkout Extensions lists 7 the others don’t mention, such as Free gifts, Free shipping, Gift wrap, Multi-language. 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 8, 2026 for BYG, Nov 2, 2026 for Checkout Extensions; 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 Nov 8, 2026 for BYG, Nov 2, 2026 for Checkout Extensions. 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.