Side-by-side comparison · 24 data points
SendWILL (Ecomsend): grow your list with popups, send email campaigns & automate sales on autopilot.
| SendWILL Popup | RMS Preorder & Back in Stock | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
Recover lost sales with back in stock alerts and pre‑order alerts – no‑code, fully customisable.
| Metric | SendWILL Popup Email Marketing | RMS Preorder & Back in Stock |
|---|---|---|
| Rating | 4.9 ★ | — |
| Total reviews | 7.1k | 0 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | — | 4 tiers |
| Listed features | 5 | 5 |
| Featured placements | 5 | — |
| Review velocity (30d) | 72 new | — |
| Languages | 23 supported | 1 supported |
| Listed since | Oct 2022 | Feb 2026 |
Based on the data on this page, SendWILL Popup Email Marketing is the stronger choice for most Shopify App Store merchants — 4.9★ vs RMS Preorder & Back in Stock's 0.0★ is a meaningful gap that usually reflects real product or support quality differences across the user base. Pricing entry tiers: SendWILL Popup Email Marketing at Free plan available, RMS Preorder & Back in Stock 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. SendWILL Popup Email Marketing has the larger user base (7,077 reviews vs 0), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. RMS Preorder & Back in Stock'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 SendWILL Popup Email Marketing; mid-market and enterprise merchants with specific feature requirements should evaluate both — RMS Preorder & Back in Stock's 0-review base may include the workflow context that matches your specific use case better than SendWILL 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: SendWILL Popup Email Marketing audit • RMS Preorder & Back in Stock audit
| Listed |
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| Last updated | — | — |
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| Keyword | SendWILL Popup | RMS Preorder & Back in Stock |
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| email and | #1 | Not ranked |
| email marketing | #2 | Not ranked |
| email list with | #2 | Not ranked |
Not featured in any section recently.
No tracked changes.
| Signal | SendWILL Popup | RMS Preorder & Back in Stock |
|---|---|---|
| Average rating | 4.9 ★ (7.1k) | 0.0 ★ (0) |
| Rating distribution | 595% 43% 31% 20% 11% | 5— 4— 3— 2— 1— |
| Reviews · last 7 days | +19 | — |
| Reviews · last 30 days | +72 | — |
| Reviews · last 90 days | +242 | — |
Both SendWILL Popup Email Marketing and RMS Preorder & Back in Stock offer paid plans only. SendWILL Popup Email Marketing starts at Free plan available; RMS Preorder & Back in Stock starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
It depends on what you're optimizing for. SendWILL Popup Email Marketing fits better if you prioritize rating consistency; RMS Preorder & Back in Stock is the call if you need the larger user base. 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. SendWILL Popup Email Marketing has more onboarding documentation maturity (7,077 reviews vs 0), 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.
SendWILL Popup Email Marketing typically suits established stores with steady traffic based on its review-base composition (7,077 reviews). RMS Preorder & Back in Stock aligns more with early-stage and growth-mode stores (0 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.
Migration support varies by app and category. SendWILL Popup Email Marketing and RMS Preorder & Back in Stock 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 RMS Preorder & Back in Stock" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
Ria was super helpful
Up and running within a few minutes of installing. Ria was very helpful. I'll need a few style changes, but I'm confident they can help quickly and effectively.
It supports multiple languages, which is incredibly convenient. It’s a great feature!
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