Side-by-side comparison · 24 data points
Sync and save every customer's cart across devices. Fewer abandoned carts, more recovered sales.
| Casper ‑ Persistent Cart Sync | CWILL Popup | |
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| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
SendWILL (Ecomsend): grow your list with popups, send email campaigns & automate sales on autopilot.
| Metric | Casper ‑ Persistent Cart Sync | CWILL Popup Email Marketing |
|---|---|---|
| Rating | 4.7 ★ | ★ 4.9 ★ |
| Total reviews | 29 | ★ 7.1k |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | Yes | Yes |
| Pricing tiers | 3 tiers | — |
| Listed features | 5 | 5 |
| Featured placements | — | 5 |
| Review velocity (30d) | — | 74 new |
| Languages | 1 supported | 23 supported |
| Listed since | Jun 2022 | Oct 2022 |
CWILL Popup Email Marketing edges out Casper ‑ Persistent Cart Sync on rating (4.9★ vs 4.7★), but the gap is small enough that pricing fit and feature differentiation should drive the decision more than the headline number. Pricing entry tiers: Casper ‑ Persistent Cart Sync at Free plan available, CWILL Popup Email Marketing 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. CWILL Popup Email Marketing has the larger user base (7,074 reviews vs 29), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Casper ‑ Persistent Cart Sync'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 CWILL Popup Email Marketing; mid-market and enterprise merchants with specific feature requirements should evaluate both — Casper ‑ Persistent Cart Sync's 29-review base may include the workflow context that matches your specific use case better than CWILL Popup Email Marketing'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: Casper ‑ Persistent Cart Sync audit • CWILL Popup Email Marketing audit
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| Last updated | — | — |
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| Keyword | Casper ‑ Persistent Cart Sync | CWILL Popup |
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| grow faster | #56 | #105 |
Not featured in any section recently.
| Signal | Casper ‑ Persistent Cart Sync | CWILL Popup |
|---|---|---|
| Average rating | 4.7 ★ (29) | 4.9 ★ (7.1k) |
| Rating distribution | 5— 4— 3— 2— 1— | 595% 43% 31% 20% 11% |
| Reviews · last 7 days | — | +22 |
| Reviews · last 30 days | — | +74 |
| Reviews · last 90 days | — | +250 |
No reviews yet.
Both Casper ‑ Persistent Cart Sync and CWILL Popup Email Marketing offer paid plans only. Casper ‑ Persistent Cart Sync starts at Free plan available; CWILL Popup Email Marketing starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
CWILL Popup Email Marketing has the higher average rating (4.9★ from 7,074 reviews) compared to Casper ‑ Persistent Cart Sync (4.7★ from 29 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
It depends on what you're optimizing for. Casper ‑ Persistent Cart Sync fits better if you prioritize broader integrations; CWILL Popup Email Marketing 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. CWILL Popup Email Marketing has more onboarding documentation maturity (7,074 reviews vs 29), 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.
Casper ‑ Persistent Cart Sync typically suits early-stage and growth-mode stores based on its review-base composition (29 reviews). CWILL Popup Email Marketing aligns more with established stores with steady traffic (7,074 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.
Great support. Thank you Ria!
Support very professional and fast , App is simple and Effecient
Migration support varies by app and category. Casper ‑ Persistent Cart Sync and CWILL Popup Email Marketing 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 Casper ‑ Persistent Cart Sync" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
