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What is Square Appointments?

Square Appointments is a robust scheduling and booking tool tailored for businesses looking to improve their organizational efficiency. It integrates point-of-sale functions with online booking, payment processing, customer relationship management, and a cloud-based calendar system. Clients have the flexibility to book services anytime, day or night, through the Square Appointments platform. Furthermore, it offers advanced collaboration tools that include employee calendars, scheduling management, and options for overseeing both staff and locations. In essence, Square Appointments simplifies the appointment management process, enabling businesses to operate more smoothly and effectively while also enhancing the customer experience. This comprehensive approach not only saves time but also helps businesses focus on their core activities.

What is Sondu?

Sondu is a modular operating system created for service businesses that want bookings, communications, space management, and professional sessions managed from one connected platform. Instead of requiring a business to piece together several unrelated tools, Sondu offers four products that can work independently or share information across the same account. Schedule is designed for appointment-based businesses and provides online booking pages, deposits, email reminders, automated waiting lists, and multi-person scheduling options. Connect centralizes customer enquiries from website chat, email, Instagram DMs, and Facebook Messenger so staff can work from a single queue. Its AI assistant drafts responses based on approved information and current diary data, while keeping a human in control of every message that is sent. Reserve supports businesses that rent rooms, studios, desks, chairs, or similar spaces by providing live availability, custom rate cards, off-peak pricing, member access, and automated monthly statements. Consult focuses on professionals selling one-to-one time and includes recurring sessions, built-in video rooms, invoicing, automated balance chasing, and multilingual customer emails. Because the products use shared data, customer conversations can sit alongside booking details, deposits, histories, and space reservations instead of being scattered across separate systems. SONDU One combines Connect, Schedule Team, and Reserve for businesses that need messaging, appointment management, and space rental tools together. The company charges flat subscription fees rather than commissions and also offers free migration from existing systems, product-specific free trials, and discounts for combining products. Sondu is especially relevant for salons, clinics, therapists, consultants, coworking spaces, studios, and other service businesses that want to simplify operations while retaining control of their customers and software costs.

Media

Media

No images available

Integrations Supported

7shifts
BentoBox
DAVO by Avalara
Dubsado
Eventzilla
Franpos POS System
Getbooking.io
GoCanvas
InvoiceBerry
Magento
MassageBook
QuickBooks Online Advanced
QuickBooks Time
Rezdy
Salesvue
Smith.ai
TurboTax Business
Webgility
When I Work
booxi

Integrations Supported

7shifts
BentoBox
DAVO by Avalara
Dubsado
Eventzilla
Franpos POS System
Getbooking.io
GoCanvas
InvoiceBerry
Magento
MassageBook
QuickBooks Online Advanced
QuickBooks Time
Rezdy
Salesvue
Smith.ai
TurboTax Business
Webgility
When I Work
booxi

API Availability

Has API

API Availability

Has API

Pricing Information

$29/month/location
Free Version
Free Trial Offered?

Pricing Information

$49/month
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Block

Date Founded

2009

Company Location

United States

Company Website

squareup.com

Company Facts

Organization Name

Sondu

Date Founded

2026

Company Location

Spain

Company Website

Sondu.eu

Categories and Features

Appointment Scheduling

Appointment Reminders
Automated Scheduling
Calendar Sync
Client Database
Group Scheduling
Mobile Access
Multi-Location
Online Booking
Online Payments
Recurring Appointments
Room Booking Management

Chiropractic

Appointment Management
Billing & Invoicing
Claims Management
EHR Certified
Outcome Assessments
Patient Account Management
Patient Records
SOAP Notes

Cleaning Services

Billing & Invoicing
Client Management
Dispatch Management
Inventory Control
Job Management
Mobile Access
Payroll Management
Quotes / Estimates
Recurring Appointments
Routing
Scheduling
Service History Tracking
Work Order Management

Dance Studio

Attendance Management
Billing & Invoicing
Class Management
Competition Management
Instructor Management
Inventory Management
Online Payments
Online Registration
Point of Sale (POS)
Recital Management
Scheduling
Student Management

Dental

Appointment Management
Appointment Reminders
Claims Management
Clinical Charting
Imaging
Inventory Management
Patient Account Management
Patient Billing
Patient Records Management
Treatment Planning

Fitness

Attendance Tracking
Billing & Invoicing
Check-In Manager
Class Management
Contract Management
Employee Management
Event Management
Inventory Management
Marketing Management
Membership Management
Point of Sale (POS)
Reservations Management

Massage Therapy

Appointment Management
Billing & Invoicing
Client Management
Email Marketing
Employee Management
Gift Card Management
Multi-Location
Point of Sale (POS)
Practice Management
SOAP Notes

Medical Scheduling

Appointment Management
Billing & Invoicing
Drag & Drop
Facility Scheduling
Multi-Location
No-Show Tracking
On Call Scheduling
Patient Records
Patient Scheduling
Physician Management
Recurring Appointments
Self Service Portal
Staff Scheduling

Medical Spa

Appointment Management
Before & After Pictures
Client Management
Gift Card Management
HIPAA Compliant
Inventory Management
Package Creation

Personal Trainer

Appointment Scheduling
Assessments
Attendance Tracking
Billing & Invoicing
Certification Tracking
Client Management
Commission Management
Exercise Library
Fitness Assessments
Fitness Plan
Nutrition Program
Online Store
Payment Processing
Wellness Plans
eCommerce

Pest Control

Billing & Invoicing
Customer Service History
Dispatch Management
Fleet Management
Inventory Control
Mobile Access
Pest Activity Tracking
Pesticide Usage Tracking
Property Layouts
Quotes / Estimates
Scheduling

Pet Grooming

Appointment Reminders
Appointment Scheduling
Billing & Invoicing
Client Management
Commission Management
Inventory Management
Mobile Grooming
Point of Sale (POS)
Recurring Appointments
Services List
Staff Management

Physical Therapy

Activity Monitoring
Appointment Management
Assessments
Billing & Invoicing
Exercise Management
Insurance Management
Multi-Location
Patient Records
Practice Management
Progress Notes
Treatment Plans

Reservations

Activities Booking
Booking Notes
CRM
Customer Support
Group Reservations
Guest Management
Payment Processing
Promotions Management
Rate Management
Room Booking Management
Third Party Booking

Salon

Appointment Management
Booth Rental
Client Profiles
Employee Management
Inventory Management
Loyalty Program
Multi-Location
Payroll Management
Point of Sale (POS)
Recurring Appointments

Yoga Studio

Class Scheduling
Facility Scheduling
Inventory Management
Member Management
Online Payments
Staff Management

Categories and Features

Appointment Scheduling

Appointment Reminders
Automated Scheduling
Calendar Sync
Client Database
Group Scheduling
Mobile Access
Multi-Location
Online Booking
Online Payments
Recurring Appointments
Room Booking Management

Salon

Appointment Management
Booth Rental
Client Profiles
Employee Management
Inventory Management
Loyalty Program
Multi-Location
Payroll Management
Point of Sale (POS)
Recurring Appointments

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