Side-by-side comparison · 24 data points
Post purchase, NPS & attribution surveys you can query with your own AI. Unlimited responses.
| Grapevine Post Purchase Survey | Theme Scientist A/B Testing | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
Easy A/B testing with no code. Schedule changes to see which AB test boosts conversion rates.
| Metric | Grapevine Post Purchase Survey | Theme Scientist A/B Testing |
|---|---|---|
| Rating | ★ 5.0 ★ | 4.0 ★ |
| Total reviews | ★ 219 | 13 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free trial available |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | 1 tier | ★ 3 tiers |
| Listed features | 5 | 5 |
| Featured placements | 2 | — |
| Review velocity (30d) | 13 new | — |
| Languages | 7 supported | 1 supported |
| Listed since | Aug 2017 | Mar 2020 |
Based on the data on this page, Grapevine Post Purchase Survey is the stronger choice for most Shopify App Store merchants — 5.0★ vs Theme Scientist A/B Testing's 4.0★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: Grapevine Post Purchase Survey at Free plan available, Theme Scientist A/B Testing at Free trial available. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (seats, usage volume, integrations) varies.
Grapevine Post Purchase Survey has the larger user base (219 reviews vs 13), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Theme Scientist A/B Testing's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended by size: small/early-stage merchants who need fast install and low risk should default to Grapevine Post Purchase Survey; mid-market and enterprise merchants with specific feature requirements should evaluate both — Theme Scientist A/B Testing's 13-review base may include the workflow context that matches your specific use case better than Grapevine Post Purchase Survey's broader-but-shallower coverage.
This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Shopify App Store listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: Grapevine Post Purchase Survey audit • Theme Scientist A/B Testing audit
| Last updated | — | — |
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| Keyword | Grapevine Post Purchase Survey | Theme Scientist A/B Testing |
|---|---|---|
| post purchase feedback surveys | #1 | Not ranked |
| post-purchase survey attribution | #1 | Not ranked |
| post-purchase surveys | #1 | Not ranked |
| audit test kw | Not ranked | #54 |
Not featured in any section recently.
| Signal | Grapevine Post Purchase Survey | Theme Scientist A/B Testing |
|---|---|---|
| Average rating | 5.0 ★ (219) | 4.0 ★ (13) |
| Rating distribution | 597% 43% 30% 20% 10% | 5— 4— 3— 2— 1— |
| Reviews · last 7 days | +3 | — |
| Reviews · last 30 days | +13 | — |
| Reviews · last 90 days | +29 | — |
Both Grapevine Post Purchase Survey and Theme Scientist A/B Testing offer paid plans only. Grapevine Post Purchase Survey starts at Free plan available; Theme Scientist A/B Testing starts at Free trial available. Compare the per-tier features in the Pricing section above before committing.
Grapevine Post Purchase Survey has the higher average rating (5.0★ from 219 reviews) compared to Theme Scientist A/B Testing (4.0★ from 13 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Grapevine Post Purchase Survey holds the higher average rating (5.0★ vs 4.0★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. Grapevine Post Purchase Survey has the deeper published review base (219 vs 13), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
Grapevine Post Purchase Survey typically suits early-stage and growth-mode teams based on its published review base (219 reviews). Theme Scientist A/B Testing typically suits early-stage and growth-mode teams based on its published review base (13 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
We use Grapevine to measure NPS and gather feedback from our customers. The app works well in Shopify, is really easy to use, and offers many options at a fair price! It’s an awesome tool for gaining valuable insights about customer experience. The support is also great, Sam responds fast and helps anytime we need. Hig
This app is very user friendly. And the team is super helpful. Highly recommend it!
Works well - And fairly priced - Very Happy
This has worked great for us at a good price.
No reviews yet.
Migration support varies by app and category. Grapevine Post Purchase Survey and Theme Scientist A/B Testing both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Theme Scientist A/B Testing" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
