Side-by-side comparison · 24 data points
Grow with SMS Marketing & WhatsApp. Send campaigns, recover abandoned carts & automate alerts.
| Mercuri SMS Marketing WhatsApp | Opencals | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
| Metric | Mercuri SMS Marketing WhatsApp | Opencals: Appointment Booking |
|---|---|---|
| Rating | 5.0 ★ | 5.0 ★ |
| Total reviews | ★ 16 | 1 |
| Free plan | Yes | Yes |
| Pricing | Free to install | Free to install |
| Built for Shopify | — | — |
| Pricing tiers | ★ 3 tiers | 2 tiers |
| Listed features | 5 | 5 |
| Languages | 1 supported | 17 supported |
| Listed since | Dec 2023 | Jul 2024 |
Mercuri SMS Marketing WhatsApp and Opencals: Appointment Booking 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: Mercuri SMS Marketing WhatsApp at Free to install, Opencals: Appointment Booking at Free to install. 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.
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: Mercuri SMS Marketing WhatsApp audit • Opencals: Appointment Booking audit
| Last updated | — | — |
|---|
| Keyword | Mercuri SMS Marketing WhatsApp | Opencals |
|---|---|---|
| sms marketing campaigns | #6 | Not ranked |
| appointment booking | Not ranked | #21 |
| appointment and booking management | Not ranked | #24 |
| #61 | Not ranked | |
| inbox | #70 | Not ranked |
Both Mercuri SMS Marketing WhatsApp and Opencals: Appointment Booking offer paid plans only. Mercuri SMS Marketing WhatsApp starts at Free to install; Opencals: Appointment Booking starts at Free to install. Compare the per-tier features in the Pricing section above before committing.
Mercuri SMS Marketing WhatsApp (5.0★, 16 reviews) and Opencals: Appointment Booking (5.0★, 1 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★. Mercuri SMS Marketing WhatsApp does carry the larger published review base (16 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. Mercuri SMS Marketing WhatsApp has the deeper published review base (16 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.
Mercuri SMS Marketing WhatsApp typically suits early-stage and growth-mode teams based on its published review base (16 reviews). Opencals: Appointment Booking typically suits early-stage and growth-mode teams based on its published review base (1 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.
Migration support varies by app and category. Mercuri SMS Marketing WhatsApp and Opencals: Appointment Booking 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 Opencals: Appointment Booking" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
