Side-by-side comparison · 24 data points
Take unlimited bookings and appointment on your calendar. Booking app for events, rental & service
| Appointment Booking Cowlendar | Digital Test Center | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Metric | Appointment Booking Cowlendar | Digital Test Center |
|---|---|---|
| Rating | 4.9 ★ | — |
| Total reviews | 2.2k | 0 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free |
| Built for Shopify | — | — |
| Pricing tiers | 4 tiers | — |
| Listed features | ★ 5 | 3 |
| Featured placements | 4 | — |
| Languages | 7 supported | 1 supported |
| Listed since | Jan 2022 | Apr 2026 |
Based on the data on this page, Appointment Booking Cowlendar is the stronger choice for most Shopify App Store merchants — 4.9★ vs Digital Test Center's 0.0★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: Appointment Booking Cowlendar at Free plan available, Digital Test Center at Free. 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.
Appointment Booking Cowlendar has the larger user base (2,216 reviews vs 0), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Digital Test Center's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended by size: small/early-stage merchants who need fast install and low risk should default to Appointment Booking Cowlendar; mid-market and enterprise merchants with specific feature requirements should evaluate both — Digital Test Center's 0-review base may include the workflow context that matches your specific use case better than Appointment Booking Cowlendar'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: Appointment Booking Cowlendar audit • Digital Test Center audit
| Listed |
|---|
| Last updated | — | — |
|---|
| Keyword | Appointment Booking Cowlendar | Digital Test Center |
|---|---|---|
| appointment | #1 | Not ranked |
| booking | #1 | Not ranked |
| events | #1 | Not ranked |
| audit test kw | Not ranked | #198 |
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No tracked changes.
Both Appointment Booking Cowlendar and Digital Test Center offer paid plans only. Appointment Booking Cowlendar starts at Free plan available; Digital Test Center starts at Free. Compare the per-tier features in the Pricing section above before committing.
AppRanks cannot separate these two on rating, because neither publishes one. Appointment Booking Cowlendar does carry the larger published review base (2,216 vs 0). Read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. Appointment Booking Cowlendar has the deeper published review base (2,216 vs 0), 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.
Appointment Booking Cowlendar typically suits early-stage and growth-mode teams based on its published review base (2,216 reviews). Digital Test Center typically suits early-stage and growth-mode teams based on its published review base (0 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. Appointment Booking Cowlendar and Digital Test Center 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 Digital Test Center" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.