OnceHub AlternativesAppointment Schedulers and other similar apps like OnceHub

OnceHub is described as 'A scheduling and chatbot solution' and is a appointment scheduler in the office & productivity category. There are more than 25 alternatives to OnceHub, not only websites but also apps for a variety of platforms, including SaaS, Android, iPhone and Self-Hosted apps. The best OnceHub alternative is Thunderbird Appointment, which is both free and Open Source. Other great sites and apps similar to OnceHub are Lunacal, Morgen, Supercal and Calendly.

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OnceHub alternatives page was last updated Dec 23, 2025

Thunderbird Appointment
17 likes
Thunderbird Appointment makes it easy to find a time to meet. So you can ditch the admin and streamline your day.
Cost / License
Free
Open Source (MPL-2.0)
Application type
Appointment Scheduler
Origin
United States
Platforms
Online
Is this a good alternative to OnceHub?
Lunacal
8 likes
Cloud-based scheduling platform featuring customizable booking pages, synchronization with major calendars, automated SMS and email reminders, team scheduling, support for paid sessions, location and service management, CRM connectivity, and GDPR compliance.
Cost / License
Freemium
Proprietary
Application types
Appointment Scheduler
Calendar
Origin
United States
Platforms
Online
Software as a Service (SaaS)
+3
Is Lunacal a good alternative to OnceHub?
Morgen
29 likes
Brings together calendars, to-dos, productivity apps, and schedulers in one platform. Integrates with major services like Google Calendar, iCloud, Todoist, and video conferencing tools such as Zoom. Offers native scheduling similar to Calendly, enhancing time management efficiency.
112 Morgen alternatives
Cost / License
Paid
Proprietary
Application types
Calendar
Todo List Manager
Origin
Switzerland
Platforms
Mac
Windows
Linux
Android
iPhone
+2
Is Morgen a good alternative to OnceHub?
Ad
Supercal
3 likes
Coordinate meetings by emailing an AI assistant that syncs with up to 6 calendars, supports group or one-on-one events, creates unlimited custom booking links, gathers meeting details through forms, manages timezones, and sends automated reminders.
Cost / License
Free
Proprietary
Application type
Appointment Scheduler
Origin
United States
Platforms
Online
Software as a Service (SaaS)
Is Supercal a good alternative to OnceHub?
Calendly
28 likes
Calendly can connect with up to six of your calendars to automatically check availability and help you connect with your best contacts, prospects and clients.
113 Calendly alternatives
Cost / License
Freemium
Proprietary
Application type
Appointment Scheduler
Origin
United States
Platforms
Online
Android
iPhone
Android Tablet
iPad
Firefox
Google Chrome
Microsoft Edge
+2
Is Calendly a good alternative to OnceHub?
TidyCal
4 likes
Web-based scheduling platform offering unlimited meeting booking types, seamless calendar, video conferencing, and payment integrations, cross-timezone support, easy setup, embeddable booking pages, API automations, mobile-friendly interface, and notifications.
Cost / License
Freemium
Proprietary
Application type
Appointment Scheduler
Origin
United Kingdom
Platforms
Online
Software as a Service (SaaS)
+4
Is TidyCal a good alternative to OnceHub?
Topmate
1 like
Topmate is a tool that connects creators and experts with their audience through one-on-one sessions, allowing users to share knowledge and monetize their time. Users create a personal link, list services, set availability, and establish charges, which followers can use to book...
66 Topmate alternatives
Cost / License
Paid
Proprietary
Application type
Calendar
Origin
India
Platforms
Online
+1
Is Topmate a good alternative to OnceHub?
zcal
8 likes
zcal is all-in-one scheduling solution built for speed. It’s beautiful, easy to use, and fully integrated with Google, Office 365, and Outlook calendars. Sign up for free today!
Cost / License
Free
Proprietary
Application type
Appointment Scheduler
Platforms
Online
Software as a Service (SaaS)
Is zcal a good alternative to OnceHub?
Undock
Like
Undock is a scheduling platform that integrates with Gmail, Outlook 365, Superhuman, LinkedIn, and Twitter. It functions as a calendar assistant, allowing you to share times or your entire calendar. It also enables instant meeting scheduling without checking your calendar.
Cost / License
Freemium
Proprietary
Origin
United States
Platforms
Online
Google Chrome
Gmail
Microsoft Office Outlook
X
LinkedIn
Is Undock a good alternative to OnceHub?
MyMeet.io
2 likes
MyMeet.io simplifies scheduling, payments, and meeting handling for both professionals and clients, streamlining the entire process.
Cost / License
Paid
Proprietary
Application type
Appointment Scheduler
Platforms
Software as a Service (SaaS)
+2
Is MyMeet.io a good alternative to OnceHub?
Ink-In-Time
3 likes
Appointment scheduling/booking application that aims to be super-simple, and open source!
Cost / License
Free
Open Source (MIT)
Platforms
Linux
Online
Self-Hosted
Is Ink-In-Time a good alternative to OnceHub?
meetergo
3 likes
AI-powered platform automates appointment booking via email, stores data in Germany for full GDPR compliance, supports team scheduling, payments, reminders, integrations with 90+ services, offers instant setup, multi-language support, and enterprise features.
Cost / License
Freemium
Open Source (MIT)
Application type
Appointment Scheduler
Origin
Germany
EU
Platforms
Online
Software as a Service (SaaS)
Is meetergo a good alternative to OnceHub?