Book Flow vs SLOT Scheduling Booking App
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 26, 2026 for Book Flow, Nov 8, 2026 for SLOT Scheduling Booking.
The short answer
- Only Book Flow lists a free plan. Paid plans start at $15/month for Book Flow and $8.90/month for SLOT Scheduling Booking.
- Book Flow lists 5 features SLOT Scheduling Booking’s listing doesn’t mention, including Branding, Email notifications, Event check-in.
Head to head
Calendar & Appointment Booking for Services or Products
- United States
- United Kingdom
- Hong Kong
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free Plan
- · Create up to 3 services
- · Dashboard & office
- · Standard support
- · Storefront booking widget
Pro Plan
- · Everything in Free Plan
- · Priority support
- · Unlimited services creation
Free
- · 1 appointment type
- · 1 calendar
- · 1 product
- · Basic email notifications
- · Booking with checkout
- · In-app ads
Pro
- · + much more
- · Booking with/without checkout
- · Unlim appointment types
- · Unlim calendars
- · Unlim products
- · Unlimited bookings
Elite
- · + All Pro plan
- · Cancellation & rescheduling options
- · Email reminder & follow-up
- · Multiple admin recipients
- · Summary reports
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureBook Flow lets merchants offer bookable services straight from their storefront. Set your availability, create services with custom time slots, and let customers book and pay in one seamless checkout, no third-party booking tools required.
Appointment calendar with booking services via appointment widget and booking integration. Turn product into bookable service for service booking, book service and service schedule. Event register with webinar booking, class booking and class scheduling. Rental booking for equipment rental booking, car rental booking and group appointment. Salon booking, spa booking, fitness booking, consultation booking.
- Customers can book services directly from the storefront, with real-time slots.
- Merchants can create multiple bookable services, each with its own availability.
- Merchants can confirm, reject, or mark appointments as completed from the admin.
- Sell and allow to book services & class with and without mandatory payment
- Show the event booking widget on all or only specific service products or pages
- Schedule appointment aka Calendly with booking appointment confirmations
- Event calendar app with emails and SMS for customers and your team
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Book Flow |  SLOT Scheduling Booking |
|---|---|---|
| Detected stores | Not published | 147 |
| Net store change, 28 days | 0 | −4 |
| Stores added, 28 days | Not enough data | 1 |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Apparel & Accessories, Food, Beverages & Tobacco, Home & Garden |
| Top store countries | Not published | United States, United Kingdom, Hong Kong |
Reviews
| Measure | Book Flow | SLOT Scheduling Booking |
|---|---|---|
| App Store rating | Not published | 4.8 ★ |
| App Store reviews | Not published | 112 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Book Flow | SLOT Scheduling Booking |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $15/month | $8.90/month(ahead) |
| Longest free trial | Not listed | 3 days |
| Plans listed | 2 | 3 |
Listing
| Measure | Book Flow | SLOT Scheduling Booking |
|---|---|---|
| Shopify category rank | #103 | #34(ahead) |
| Shopify App Charts | Not on this week’s charts | #17 in Event booking |
| Built for Shopify | No | No |
| Launched | Jun 26, 2026 | May 15, 2020 |
| Languages | 1 | 1 |
| Developer | Integriti Studio | CAPITALIPLY LLC |
FAQ
Book Flow and SLOT Scheduling Booking: common questions
- Is Book Flow or SLOT Scheduling Booking cheaper?
- Only Book Flow lists a free plan. Paid plans start at $15/month for Book Flow and $8.90/month for SLOT Scheduling Booking. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Book Flow lists 5 the others don’t mention, such as Branding, Email notifications, Event check-in, Multi-booking. SLOT Scheduling Booking lists 5 the others don’t mention, such as Booking pages, Classes, Custom events, In-person. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 26, 2026 for Book Flow, Nov 8, 2026 for SLOT Scheduling Booking; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 26, 2026 for Book Flow, Nov 8, 2026 for SLOT Scheduling Booking. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.