Side-by-side comparison · 24 data points
Instantly know when your store is down so you can turn off ad spend with uptime downtime monitoring
| Blimey Down Detector & Alerts | Grapevine Post Purchase Survey | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
Post purchase, NPS & attribution surveys you can query with your own AI. Unlimited responses.
| Metric | Blimey Down Detector & Alerts | Grapevine Post Purchase Survey |
|---|---|---|
| Rating | 5.0 ★ | 5.0 ★ |
| Total reviews | 1 | ★ 222 |
| Free plan | Yes | Yes |
| Pricing | Free | Free trial available |
| Built for Shopify | — | ★ Yes |
| Pricing tiers | — | 1 tier |
| Listed features | 5 | 5 |
| Featured placements | — | 2 |
| Review velocity (30d) | — | 13 new |
| Languages | 1 supported | 7 supported |
| Listed since | Mar 2026 | Aug 2017 |
Blimey Down Detector & Alerts and Grapevine Post Purchase Survey are evenly matched on rating (5.0★ vs 5.0★) — the differentiator comes down to pricing fit, feature breadth, and which app's interaction pattern suits your team's workflow.
Pricing entry tiers: Blimey Down Detector & Alerts at Free, Grapevine Post Purchase Survey 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 (222 reviews vs 1), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Blimey Down Detector & Alerts's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended evaluation path: install both apps' free tiers (where available) and run them in parallel on a small cohort for 7-14 days before committing. The data tables below show the per-feature breakdown — for most merchants the deciding factor will be a single integration or workflow detail that's hard to compare from listing pages alone.
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: Blimey Down Detector & Alerts audit • Grapevine Post Purchase Survey audit
| Last updated | — | — |
|---|
| Keyword | Blimey Down Detector & Alerts | Grapevine Post Purchase Survey |
|---|---|---|
| post-purchase surveys | Not ranked | #1 |
| post-purchase survey attribution | Not ranked | #1 |
| post purchase feedback surveys | Not ranked | #1 |
| down | #21 | Not ranked |
Not featured in any section recently.
No tracked changes.
| Signal | Blimey Down Detector & Alerts | Grapevine Post Purchase Survey |
|---|---|---|
| Average rating | 5.0 ★ (1) | 5.0 ★ (222) |
| Rating distribution | 5— 4— 3— 2— 1— | 597% 43% 30% 20% 10% |
| Reviews · last 7 days | — | +3 |
| Reviews · last 30 days | — | +13 |
| Reviews · last 90 days | — | +29 |
No reviews yet.
Both Blimey Down Detector & Alerts and Grapevine Post Purchase Survey offer paid plans only. Blimey Down Detector & Alerts starts at Free; Grapevine Post Purchase Survey starts at Free trial available. Compare the per-tier features in the Pricing section above before committing.
Blimey Down Detector & Alerts (5.0★, 1 reviews) and Grapevine Post Purchase Survey (5.0★, 222 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
AppRanks cannot separate these two on rating — both sit at 5.0★. Grapevine Post Purchase Survey does carry the larger published review base (222 vs 1). 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 (222 vs 1), 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.
Blimey Down Detector & Alerts typically suits early-stage and growth-mode teams based on its published review base (1 reviews). Grapevine Post Purchase Survey typically suits early-stage and growth-mode teams based on its published review base (222 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.
Migration support varies by app and category. Blimey Down Detector & Alerts and Grapevine Post Purchase Survey 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 Blimey Down Detector & Alerts" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
