Side-by-side comparison · 24 data points
Notify customers by restock alert when items are back in stock & create an out-of-stock waitlist.
| Back In Stock! Alert Engine | Pop Convert ‑ Pop Ups, Banners | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
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| Last updated | — | — |
Turn window-shoppers into lasting customers with Pop Convert - the All-in-One Popup App
| Metric | Back In Stock! Alert Engine | Pop Convert ‑ Pop Ups, Banners |
|---|---|---|
| Rating | 4.8 ★ | ★ 4.9 ★ |
| Total reviews | 21 | ★ 8.3k |
| Free plan | Yes | Yes |
| Pricing | Free | Free plan available |
| Built for Shopify | — | ★ Yes |
| Pricing tiers | — | 2 tiers |
| Listed features | 5 | 5 |
| Featured placements | — | 4 |
| Review velocity (30d) | — | 38 new |
| Languages | 1 supported | 1 supported |
| Listed since | Dec 2024 | Feb 2021 |
Pop Convert ‑ Pop Ups, Banners edges out Back In Stock! Alert Engine on rating (4.9★ vs 4.8★), but the gap is small enough that pricing fit and feature differentiation should drive the decision more than the headline number. Pricing entry tiers: Back In Stock! Alert Engine at Free, Pop Convert ‑ Pop Ups, Banners at Free plan 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 (apps, orders, integrations) varies. Pop Convert ‑ Pop Ups, Banners has the larger user base (8,295 reviews vs 21), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Back In Stock! Alert Engine's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat. Recommended by store size: small/early-stage merchants who need fast install and low risk should default to Pop Convert ‑ Pop Ups, Banners; mid-market and enterprise merchants with specific feature requirements should evaluate both — Back In Stock! Alert Engine's 21-review base may include the workflow context that matches your specific use case better than Pop Convert ‑ Pop Ups, Banners'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: Back In Stock! Alert Engine audit • Pop Convert ‑ Pop Ups, Banners audit
| Keyword | Back In Stock! Alert Engine | Pop Convert ‑ Pop Ups, Banners |
|---|---|---|
| email list with | #10 | #1 |
| price drop | #24 | #7 |
| #60 | #14 |
Not featured in any section recently.
| Signal | Back In Stock! Alert Engine | Pop Convert ‑ Pop Ups, Banners |
|---|---|---|
| Average rating | 4.8 ★ (21) | 4.9 ★ (8.3k) |
| Rating distribution | 5— 4— 3— 2— 1— | 596% 42% 30% 20% 11% |
| Reviews · last 7 days | — | +8 |
| Reviews · last 30 days | — | +38 |
| Reviews · last 90 days | — | +152 |
No reviews yet.
Both Back In Stock! Alert Engine and Pop Convert ‑ Pop Ups, Banners offer paid plans only. Back In Stock! Alert Engine starts at Free; Pop Convert ‑ Pop Ups, Banners starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
Pop Convert ‑ Pop Ups, Banners has the higher average rating (4.9★ from 8,295 reviews) compared to Back In Stock! Alert Engine (4.8★ from 21 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
It depends on what you're optimizing for. Back In Stock! Alert Engine fits better if you prioritize broader integrations; Pop Convert ‑ Pop Ups, Banners is the call if you need the higher-rated option. Read both apps' detail pages on AppRanks for the full feature breakdown, install counts, and recent listing changes.
Both apps are one-click installs from the Shopify App Store marketplace. Pop Convert ‑ Pop Ups, Banners has more onboarding documentation maturity (8,295 reviews vs 21), which usually translates to better-tested setup wizards and quicker time-to-value. AppRanks doesn't measure setup time directly — read the recent reviews on each app's detail page for merchant-reported install experience.
Back In Stock! Alert Engine typically suits early-stage and growth-mode stores based on its review-base composition (21 reviews). Pop Convert ‑ Pop Ups, Banners aligns more with established stores with steady traffic (8,295 reviews). Larger review bases generally mean the app has been load-tested at scale — relevant if you're processing high order volume or handling enterprise compliance requirements.
Really everything you need in a pop up app. The assistance team is fast to answer if you ever need anything.
Prompt Customer Service - have had this downloaded for months and has been incredibly helpful in additional purchases and signing up customers for accounts
Satisfied so far, i like the customization options on the pop up wheel and easy to set up
Judith is not only an amazing technical support representative who has solved my problems not just once, but many times—this applies to the entire team. You never have to wait more than a few seconds to get someone online, and they're always ready to help. I've never experienced customer support like this before.
This is the app I wish I'd known about from day one. It's robust, incredibly easy to use, and the customer service is absolutely excellent. What really stands out is the customer service. They're responsive, helpful, and genuinely invested in helping you succeed. I'm excited to dive deeper into all the features so I ca
Migration support varies by app and category. Back In Stock! Alert Engine and Pop Convert ‑ Pop Ups, Banners 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 Back In Stock! Alert Engine" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
