Side-by-side comparison · 24 data points
Take booking for events, appointments, services on your calendar. Calendar Appointment Booking App.
| Appointment Booking App Apntly | K | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated |
| Metric | Appointment Booking App Apntly | K: Klaviyo Form Builder |
|---|---|---|
| Rating | 5.0 ★ | — |
| Total reviews | 1.5k | 0 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | 3 tiers | — |
| Listed features | 5 | 5 |
| Featured placements | 3 | — |
| Languages | 1 supported | 3 supported |
| Listed since | Sep 2021 | May 2026 |
Based on the data on this page, Appointment Booking App Apntly is the stronger choice for most Shopify App Store merchants — 5.0★ vs K: Klaviyo Form Builder'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 App Apntly at Free plan available, K: Klaviyo Form Builder 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 (apps, orders, integrations) varies. Appointment Booking App Apntly has the larger user base (1,505 reviews vs 0), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. K: Klaviyo Form Builder'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 App Apntly; mid-market and enterprise merchants with specific feature requirements should evaluate both — K: Klaviyo Form Builder's 0-review base may include the workflow context that matches your specific use case better than Appointment Booking App Apntly'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 App Apntly audit • K: Klaviyo Form Builder audit
| — |
| Keyword | Appointment Booking App Apntly | K |
|---|---|---|
| forms | #105 | #56 |
| form | #114 | #57 |
| event form | #86 | #118 |
| custom form | #8 | #199 |
| custom forms | #9 | #199 |
Not featured in any section recently.
Both Appointment Booking App Apntly and K: Klaviyo Form Builder offer paid plans only. Appointment Booking App Apntly starts at Free plan available; K: Klaviyo Form Builder starts at Free. Compare the per-tier features in the Pricing section above before committing.
It depends on what you're optimizing for. Appointment Booking App Apntly fits better if you prioritize rating consistency; K: Klaviyo Form Builder 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 App Apntly has more onboarding documentation maturity (1,505 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 App Apntly typically suits early-stage and growth-mode stores based on its review-base composition (1,505 reviews). K: Klaviyo Form Builder 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 App Apntly and K: Klaviyo Form Builder 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 K: Klaviyo Form Builder" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
