Comparison

A free alternative to BTA (BookThatApp) for Shopify booking

BookThatApp (BTA) is a long-established app (4.7 stars, 500+ reviews) built for events, tours, rentals, and classes. For complex, high-volume catalogs it's capable. But its free plan caps you at 10 bookings and paid plans start at $25/mo, where our free plan is unlimited. Here's the difference.

Add to Shopify
SMS Reminder
BTA (BookThatApp)
Free plan bookings
Unlimited
Up to 10 bookings
Google Calendar sync (free)
Included, two-way
On paid tiers
SMS reminders
Optional paid (plan allowance)
Paid tiers
Deposits
Once live
Paid
Reviews / maturity
New
4.7, 500+
Starting paid price
$19/mo
$25/mo

Comparison compiled July 2026 from publicly available information. BTA may have updated their plans, pricing, or features since. Please verify current details on their listing before deciding.

Where BTA is strong
Deep support for events, tours, rentals, tickets, and classes
Staff accounts and API access
A long track record with responsive support
Where SMS Reminder wins
Unlimited bookings and free two-way calendar sync on the free plan, where BTA free caps at 10
A lower entry price for paid
Simpler setup for straightforward appointment booking

Who should pick which

Choose BTA (BookThatApp)

For complex event and rental catalogs and high booking volumes.

Choose SMS Reminder

For simple appointment booking with a free unlimited tier and free calendar sync.

FAQ

Common questions

Is it really free? +

Yes. Unlimited bookings and two-way Google Calendar sync are free, forever. You only pay if you want SMS reminders or higher-volume features.

Do I need to code? +

No. Add the booking button to any page and set your availability.

Does it work on mobile? +

Yes, customers can book on desktop or mobile.

What do paid plans add? +

SMS reminders and confirmations, and higher monthly volumes with more synced calendars.

How does calendar sync work? +

Two-way: bookings appear on your Google Calendar, and times you block on your calendar become unavailable on the store.

Try the free tier for yourself