FIND YOUR NEXT FIT

IzyRent alternatives.
A shortlist with a reason.

Your rental business is expanding into appointments, classes or more advanced automation. These four Shopify booking apps offer different tradeoffs—not a one-size-fits-all ranking.

IzyRentCowlendarBookThatAppBookXAppointo
Checked Sep 22, 2026Four options, distinct use casesPublished by Cowlendar

First: do you need to switch?

IzyRent is a relevant rental-first choice when its date-based pricing and calendar connections match your operation. Keep it if that is the workflow you need.

The quick shortlist.

AppBest reason to investigateFree planPaid starting point
CowlendarA wider booking toolkitFree plan with all features$13.99 / month
BookThatAppRental operations10 bookings; no product limit$25 / month
BookXSeasonal rental pricingOne service and one team member; unlimited bookings$9.99 / month
AppointoA free multi-day entry pointUnlimited services and bookings; multi-day booking$14 / month

Monthly USD. Starting prices are not feature-equivalent. Verify the plan and any add-on charges below.

01 · A WIDER BOOKING TOOLKIT

Cowlendar

Combine rentals, appointments, bundles and subscriptions, with documented API and webhook workflows.

Why it belongs on the shortlist

One Shopify booking workflow for appointments, group sessions and multi-day rentals. Appointments, classes, bundles and rentals in one app, with all features available from the free plan.

What to check before choosing

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.

Free offer
Free plan with all features
Pricing model
Booking revenue tiers
Official listing ↗Cowlendar pricing →
Cowlendar official product screenshot
Product image from Cowlendar’s Shopify listing.
02 · RENTAL OPERATIONS

BookThatApp

Compare resources, damage bonds and volume limits.

Why it belongs on the shortlist

Resource scheduling across rentals, tours, classes and service businesses. Operators with detailed resource rules, bond handling or API requirements.

What to check before choosing

Compare booking volume and staff requirements carefully. Lite is listed for one booking type and 50 monthly bookings; API access appears on Business.

Free offer
10 bookings; no product limit
Pricing model
Booking volume, staff and feature tiers
Official listing ↗Compare with Cowlendar →
BookThatApp official product screenshot
Product image from BookThatApp’s Shopify listing.
03 · SEASONAL RENTAL PRICING

BookX

Review locations, staff and seasonal rates alongside your equipment.

Why it belongs on the shortlist

Explicit tiers for locations and staff, with rental and seasonal-pricing options. Businesses comparing location counts, team capacity and seasonal pricing.

What to check before choosing

The listing separates basic Google Calendar integration from two-way sync on Business. Do not assume the cheaper plan includes the same synchronization behavior.

Free offer
One service and one team member; unlimited bookings
Pricing model
Feature, location and team tiers
Official listing ↗Compare with Cowlendar →
BookX official product screenshot
Product image from BookX’s Shopify listing.
04 · A FREE MULTI-DAY ENTRY POINT

Appointo

Compare basic date-range reservations and the plan for advanced operations.

Why it belongs on the shortlist

A broad free plan with feature-based upgrades and customer-facing portals. Stores that need ongoing free bookings or want customer self-service and advanced scheduling options.

What to check before choosing

The listing discloses text/WhatsApp usage charges and a 2% charge for subscriptions/bundles on paid tiers. Include those costs in a like-for-like comparison.

Free offer
Unlimited services and bookings; multi-day booking
Pricing model
Feature tiers and some usage charges
Official listing ↗Compare with Cowlendar →
Appointo official product screenshot
Product image from Appointo’s Shopify listing.

Match the feature to the plan.

FeatureCowlendarBookThatAppBookXAppointo
Free plan for a live store✓All features; usage allowance applies✓10 bookings listed✓One service✓Unlimited bookings
All features on the free plan✓All features, with usage limits×Feature and volume upgrades×Bundles, deposits and integrations on paid plans×Advanced features on paid plans
Recurring service subscriptions✓Recurring service subscriptions✓Recurring subscriptions listed—Not confirmed in checked sources✓Listed 2% subscription/bundle charge
Public booking API✓Beta: read services/bookings; create bookings✓Business · $110/month—Not confirmed in checked sources—Not confirmed in checked sources
Booking webhooks✓Beta: 8 events, signatures and retries—Not confirmed in checked sources✓Business · $39.99/month—Not confirmed in checked sources
Google Calendar✓Included✓Lite listing✓Starter; two-way on Business✓Pro
Outlook Calendar✓Included✓Listed integration—Not confirmed in checked sources✓Pro
Group bookings✓Included✓Explicit group booking support✓Class capacity documented✓Premium
Multi-day bookings✓Included✓Rental booking documented✓Starter✓Free; advanced widget on Advanced
Booking deposits✓Included✓Premium: deposits/bonds✓Growth; partial payments on Starter✓Listed; confirm required plan
Booking bundles / packs✓Included—Recurring subscriptions listed; confirm packs✓Starter✓2% subscription/bundle charge listed
Shopify POS✓Cowlendar product documentation✓Lite✓Growth✓Free plan listing
Klaviyo✓Cowlendar product documentation—Not confirmed in checked sources✓Business—Not confirmed in checked sources

✓ Documented · × Confirmed limitation · — Not confirmed in checked sources; ask the vendor.

A SWITCH WITHOUT SURPRISES

Take your real workflow into the trial.

  1. Write the reason for leaving. Identify the failed requirement, its business impact and the acceptance test for the replacement.
  2. Price an actual month. Include staff, resources, booking revenue, messages and any package-related charges.
  3. Test the awkward case. Recreate a calendar conflict, an overlapping rental or the final group seat, then cancel and inspect the payment outcome.
  4. Reconcile before switching. Confirm future reservations, customer notices and outstanding balances with the destination vendor. Keep the old records until the transition is checked.
Compare Cowlendar and IzyRent directly →Explore all alternatives guides →

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.

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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