Make the next visit part of the plan.
Sell recurring service subscriptions and booking bundles. Give customers a reason to return for the next class, coaching session or treatment.
6-session pack
✓ ✓ ✓ ○ ○ ○
Illustrative workflow
vs
Cowlendar vs IzyRent.
Rentals today. More ways to book tomorrow.
Cowlendar handles rental equipment alongside appointments, classes, bundles and recurring services. IzyRent is worth considering when date-range rentals and iCalendar connections are the center of the business.
Free plan. All features. See plan details
All featuresavailable from the free plan
4.9 / 52,236 Shopify reviews · checked Sep 22
24/7live chat with our team
One appappointments, classes & rentals
YOUR BUSINESS. YOUR ACTUAL APP BUDGET.
What would you pay?
Pick the features you need. See the lowest documented plan that covers them.
Monthly USD estimates for one service, one location and one operator. Excludes tax, Shopify/payment fees, SMS/WhatsApp, extra staff logins and optional add-ons. Annual totals use 12 monthly payments, not annual-plan discounts. “Confirm plan” means the exact combination or required volume is not established in our sources, not that the app cannot support it. Cowlendar’s free-plan allowance and revenue tiers apply. Full Cowlendar pricing · Sources & assumptions
THE DETAIL THAT MAKES THE DIFFERENCECompare the capabilities.
Compare the capabilities.
Then compare their plans.
A checkmark means the feature is documented. The note tells you where to find it.
| What matters | Cowlendar | IzyRent |
|---|---|---|
| Free plan for a live store | ✓All features; usage allowance applies | ✓3 products; 15 calendar days |
| All features on the free plan | ✓All features, with usage limits | ×Unlimited products/days and reminders on Pro |
| Recurring service subscriptions | ✓Recurring service subscriptions | —Not established in checked sources |
| Public booking API | ✓Beta: read services/bookings; create bookings | —Calendar API label does not establish a public booking API |
| Booking webhooks | ✓Beta: 8 events, signatures and retries | —Not established in checked sources |
| Google Calendar | ✓Included | ✓Listed Google calendar connection; verify direction |
| Outlook Calendar | ✓Included | —Confirm the required calendar workflow |
| Group bookings | ✓Included | —Confirm seat and participant rules |
| Multi-day bookings | ✓Included | ✓Rental date ranges |
| Booking deposits | ✓Included | ✓Deposit and pay-later listed |
| Booking bundles / packs | ✓Included | —Not established in checked sources |
| Shopify POS | ✓Cowlendar product documentation | —Not established in checked sources |
| Klaviyo | ✓Cowlendar product documentation | —Not established in checked sources |
✓ Documented× Confirmed limitation— Not confirmed; ask the vendor
CUTE NAME. SERIOUS BOOKING ENGINE.A little more moo.
A little more moo.
A lot more you can do.
Your next offer should be a new service, not a new booking system.
Your bookings. Connected to your business.
The public API reads services and bookings, creates manual bookings and can redeem a subscription credit. Connect a custom tool or reporting workflow.
Explore the API (beta) ↗React to what happens next.
Eight webhook events cover booking creation, confirmation, rejection, cancellation, rescheduling, attendance and two subscription events.
Signed payloads · delivery retries · test events
See webhook events (beta) ↗Book the person. The place. The equipment.
Manage service, teammate or equipment availability. Handle participant categories, group capacity and multi-day bookings alongside regular appointments.
Explore all features →API & webhooks are documented as beta. API-created bookings do not create a Shopify order. Available-slot lookup and booking update/delete endpoints are not currently provided. Confirm beta access with our team. Read the current documentation.
Start with the whole booking toolkit.
Appointments, classes, bundles and rentals in one app, with all features available from the free plan.
Test deposits, bundles and calendar connections together. Bring in the beta API and webhooks when your operation needs a custom connection.
Start for Free ↗Rental operators who prioritize date-based products and an iCalendar/Airbnb workflow.
The free plan limits products and the booking horizon. Verify the direction and frequency of calendar synchronization and any appointment-specific workflows.
See the official IzyRent listing ↗
ONE MORE FOR YOUR SHORTLIST
Compare BookThatApp →Also consider BookThatApp.
Resource scheduling across rentals, tours, classes and service businesses. Operators with detailed resource rules, bond handling or API requirements.
PLAN BY PLAN
No mystery upgrade.
All listed monthly tiers, including the advanced plans mentioned in the Shopify listing.
Cowlendar
Booking revenue tiers
- Free $0
- All features included · see free-plan allowance
- Starter $13.99/month
- Up to $1,000 booking revenue
- Basic $29.99/month
- Up to $3,000 booking revenue
- Growth $59.99/month
- Up to $10,000 booking revenue
IzyRent
Product and calendar-window tiers
- Free $0
- 3 products and 15 days on the calendar
- Pro $24.99/month
- Unlimited products/calendar days; reminders
The free plan limits products and the booking horizon. Verify the direction and frequency of calendar synchronization and any appointment-specific workflows. All features are available from the free plan. Paid pricing follows booking revenue; usage allowances and optional messaging charges still apply. See the pricing page for full details.
SEE THE PRODUCT
IzyRent, on screen.
A product image published by the app’s developer on Shopify. Compare the real booking journey alongside the feature list.
Open the listing and demo ↗
MAKE THE SWITCH WITH CONFIDENCE
Bring your hardest booking to the trial.
Choose Cowlendar when you want appointments, group sessions and rentals alongside subscriptions and booking packs. It is designed to let one store offer several service formats.
Consider IzyRent for rental-first operations requiring date-based rates and iCalendar connections. Validate the actual cross-calendar synchronization and rental handover rules.
At $800 in monthly booking revenue, Cowlendar Starter is $13.99; IzyRent Pro is $24.99. At $2,000, Cowlendar Basic is $29.99. Choose against the workflow and revenue you actually expect.
Your questions, answered.
Does Cowlendar have a free plan?
Yes. Cowlendar has a free plan with all features. Usage allowances apply; the pricing page shows the limits and revenue-based paid tiers.
Is Cowlendar cheaper than IzyRent?
It depends on the features and booking revenue. Use the calculator above: it compares the lowest documented plan for your selected features and shows the assumptions, rather than comparing unrelated starting prices.
Does Cowlendar support subscriptions, an API and webhooks?
Yes. Recurring service subscriptions and bundles are supported. The public API and webhooks are documented as beta, including subscription-credit bookings and eight webhook events. Review the linked API limitations before planning an integration.
When should I choose IzyRent instead?
Rental operators who prioritize date-based products and an iCalendar/Airbnb workflow. The free plan limits products and the booking horizon. Verify the direction and frequency of calendar synchronization and any appointment-specific workflows.
Sources & methodology
Checked September 22, 2026. We compare public plan descriptions and documented features, not inferred capabilities. A dash means we could not confirm the feature in the sources checked. Availability may depend on the plan, setup or paid add-ons.
Published by Cowlendar. We are one of the vendors being compared; our recommendations are editorial judgments, not independent test results. Monthly USD pricing is shown, excluding taxes, Shopify charges, optional messaging and other stated add-ons.
- Cowlendar — Shopify listing and pricing · Official documentation · Public API & webhooks (beta)
- IzyRent — Shopify listing and pricing · Official documentation
- BookThatApp — Shopify listing and pricing · Official documentation
Product screenshots and logos belong to their respective owners and are reproduced to identify the products being discussed. No endorsement is implied.
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