Side-by-side comparison · 24 data points
Take unlimited bookings and appointment on your calendar. Booking app for events, rental & service
| Appointment Booking Cowlendar | RentalFlow ‑ Product Rentals | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
One app replaces your booking, delivery, calendar, and inventory tools. Built for product rentals.
| Metric | Appointment Booking Cowlendar | RentalFlow ‑ Product Rentals |
|---|---|---|
| Rating | 4.9 ★ | — |
| Total reviews | 2.1k | 0 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | ★ 4 tiers | 1 tier |
| Listed features | 5 | 5 |
| Featured placements | 4 | — |
| Languages | 7 supported | 1 supported |
| Listed since | Jan 2022 | Mar 2026 |
Based on the data on this page, Appointment Booking Cowlendar is the stronger choice for most Shopify App Store merchants — 4.9★ vs RentalFlow ‑ Product Rentals'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, RentalFlow ‑ Product Rentals 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. Appointment Booking Cowlendar has the larger user base (2,089 reviews vs 0), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. RentalFlow ‑ Product Rentals'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 Appointment Booking Cowlendar; mid-market and enterprise merchants with specific feature requirements should evaluate both — RentalFlow ‑ Product Rentals'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 • RentalFlow ‑ Product Rentals audit
| Listed |
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| Last updated | — | — |
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| Keyword | Appointment Booking Cowlendar | RentalFlow ‑ Product Rentals |
|---|---|---|
| appointment booking | #2 | Not ranked |
| events | #2 | Not ranked |
| booking | #2 | Not ranked |
| repro probe 1782072999602 4 | Not ranked | #44 |
| repro probe 1782243843997 4 | Not ranked | #44 |
Not featured in any section recently.
No tracked changes.
Both Appointment Booking Cowlendar and RentalFlow ‑ Product Rentals offer paid plans only. Appointment Booking Cowlendar starts at Free plan available; RentalFlow ‑ Product Rentals 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. Appointment Booking Cowlendar fits better if you prioritize rating consistency; RentalFlow ‑ Product Rentals 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. Appointment Booking Cowlendar has more onboarding documentation maturity (2,089 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.
Appointment Booking Cowlendar typically suits early-stage and growth-mode stores based on its review-base composition (2,089 reviews). RentalFlow ‑ Product Rentals 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. Appointment Booking Cowlendar and RentalFlow ‑ Product Rentals 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 RentalFlow ‑ Product Rentals" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
