# Top 10 OnTime Group Calendar for Microsoft Alternatives & Competitors Explore the best alternatives to OnTime Group Calendar for Microsoft for users who need new software features or want to try different solutions. Calendar Software is a widely used technology, and many people are seeking high quality, top rated software solutions with screen reader compatibility, keyboard shortcuts, and sync multiple calendars. Other important factors to consider when researching alternatives to OnTime Group Calendar for Microsoft include ease of use and reliability. The best overall OnTime Group Calendar for Microsoft alternative is Microsoft 365. Other similar apps like OnTime Group Calendar for Microsoft are Calendly, Brevo Marketing Platform, Cirrus Insight, and Acuity Scheduling. OnTime Group Calendar for Microsoft alternatives can be found in [Calendar Software](https://www.g2.com/categories/calendar-software) but may also be in [Office Suites Software](https://www.g2.com/categories/office-suites) or [Business Scheduling Software](https://www.g2.com/categories/business-scheduling). ## Best Paid & Free Alternatives to OnTime Group Calendar for Microsoft - [Microsoft 365](https://www.g2.com/products/microsoft365/reviews) - [Calendly](https://www.g2.com/products/calendly/reviews) - [Brevo Marketing Platform](https://www.g2.com/products/brevo-marketing-platform/reviews) - [Cirrus Insight](https://www.g2.com/products/cirrus-insight/reviews) - [Acuity Scheduling](https://www.g2.com/products/acuity-scheduling/reviews) - [Vagaro](https://www.g2.com/products/vagaro/reviews) - [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) - [Google Workspace](https://www.g2.com/products/google-workspace/reviews) - [ClickUp](https://www.g2.com/products/clickup/reviews) - [Apollo.io](https://www.g2.com/products/apollo-io/reviews) ## Top 10 Alternatives to OnTime Group Calendar for Microsoft Recently Reviewed By G2 Community Browse options below. Based on reviewer data, you can see how OnTime Group Calendar for Microsoft stacks up to the competition and find the best product for your business. ### 1. [Microsoft 365](https://www.g2.com/products/microsoft365/reviews) By Microsoft **Average Rating:** 4.6/5 **Total Reviews:** 5,836 Office Productivity Suite Includes Word, Excel, and PowerPoint Categories in common with OnTime Group Calendar for Microsoft: [Calendar](https://www.g2.com/categories/calendar-software), [Online Appointment Scheduling](https://www.g2.com/categories/online-appointment-scheduling) **Compare:** [OnTime Group Calendar for Microsoft vs Microsoft 365](https://www.g2.com/compare/microsoft365-vs-ontime-group-calendar-for-microsoft) **Compare Microsoft 365 with other alternatives:** - [Microsoft 365 vs Calendly](https://www.g2.com/compare/calendly-vs-microsoft365) - [Microsoft 365 vs Brevo Marketing Platform](https://www.g2.com/compare/brevo-marketing-platform-vs-microsoft365) - [Microsoft 365 vs Cirrus Insight](https://www.g2.com/compare/cirrus-insight-vs-microsoft365) - [Microsoft 365 vs Acuity Scheduling](https://www.g2.com/compare/acuity-scheduling-vs-microsoft365) - [Microsoft 365 vs Vagaro](https://www.g2.com/compare/microsoft365-vs-vagaro) - [Microsoft 365 vs Zoom Workplace](https://www.g2.com/compare/microsoft365-vs-zoom-workplace) - [Microsoft 365 vs Google Workspace](https://www.g2.com/compare/google-workspace-vs-microsoft365) - [Microsoft 365 vs ClickUp](https://www.g2.com/compare/clickup-vs-microsoft365) - [Microsoft 365 vs Apollo.io](https://www.g2.com/compare/apollo-io-vs-microsoft365) ### 2. [Calendly](https://www.g2.com/products/calendly/reviews) By Calendly **Average Rating:** 4.7/5 **Total Reviews:** 2,641 Simple, beautiful scheduling. Say goodbye to phone and email tag for finding the perfect time Categories in common with OnTime Group Calendar for Microsoft: [Calendar](https://www.g2.com/categories/calendar-software), [Online Appointment Scheduling](https://www.g2.com/categories/online-appointment-scheduling) **Compare:** [OnTime Group Calendar for Microsoft vs Calendly](https://www.g2.com/compare/calendly-vs-ontime-group-calendar-for-microsoft) **Compare Calendly with other alternatives:** - [Calendly vs Microsoft 365](https://www.g2.com/compare/calendly-vs-microsoft365) - [Calendly vs Brevo Marketing Platform](https://www.g2.com/compare/brevo-marketing-platform-vs-calendly) - [Calendly vs Cirrus Insight](https://www.g2.com/compare/calendly-vs-cirrus-insight) - [Calendly vs Acuity Scheduling](https://www.g2.com/compare/acuity-scheduling-vs-calendly) - [Calendly vs Vagaro](https://www.g2.com/compare/calendly-vs-vagaro) - [Calendly vs Zoom Workplace](https://www.g2.com/compare/calendly-vs-zoom-workplace) - [Calendly vs Google Workspace](https://www.g2.com/compare/calendly-vs-google-workspace) - [Calendly vs ClickUp](https://www.g2.com/compare/calendly-vs-clickup) - [Calendly vs Apollo.io](https://www.g2.com/compare/apollo-io-vs-calendly) ### 3. [Brevo Marketing Platform](https://www.g2.com/products/brevo-marketing-platform/reviews) By Brevo **Average Rating:** 4.5/5 **Total Reviews:** 2,575 Easily manage your marketing campaigns, transactional emails, and SMS messages all in one simple and powerful platform. Categories in common with OnTime Group Calendar for Microsoft: [Calendar](https://www.g2.com/categories/calendar-software), [Online Appointment Scheduling](https://www.g2.com/categories/online-appointment-scheduling) **Compare:** [OnTime Group Calendar for Microsoft vs Brevo Marketing Platform](https://www.g2.com/compare/brevo-marketing-platform-vs-ontime-group-calendar-for-microsoft) **Compare Brevo Marketing Platform with other alternatives:** - [Brevo Marketing Platform vs Microsoft 365](https://www.g2.com/compare/brevo-marketing-platform-vs-microsoft365) - [Brevo Marketing Platform vs Calendly](https://www.g2.com/compare/brevo-marketing-platform-vs-calendly) - [Brevo Marketing Platform vs Cirrus Insight](https://www.g2.com/compare/brevo-marketing-platform-vs-cirrus-insight) - [Brevo Marketing Platform vs Acuity Scheduling](https://www.g2.com/compare/acuity-scheduling-vs-brevo-marketing-platform) - [Brevo Marketing Platform vs Vagaro](https://www.g2.com/compare/brevo-marketing-platform-vs-vagaro) - [Brevo Marketing Platform vs Zoom Workplace](https://www.g2.com/compare/brevo-marketing-platform-vs-zoom-workplace) - [Brevo Marketing Platform vs Google Workspace](https://www.g2.com/compare/brevo-marketing-platform-vs-google-workspace) - [Brevo Marketing Platform vs ClickUp](https://www.g2.com/compare/brevo-marketing-platform-vs-clickup) - [Brevo Marketing Platform vs Apollo.io](https://www.g2.com/compare/apollo-io-vs-brevo-marketing-platform) ### 4. [Cirrus Insight](https://www.g2.com/products/cirrus-insight/reviews) By Cirrus Insight **Average Rating:** 4.2/5 **Total Reviews:** 1,510 Sync Salesforce with Gmail, Outlook, Office 365, or mobile. Immediately see valuable lead and contact information from your inbox. Categories in common with OnTime Group Calendar for Microsoft: [Calendar](https://www.g2.com/categories/calendar-software), [Online Appointment Scheduling](https://www.g2.com/categories/online-appointment-scheduling) **Compare:** [OnTime Group Calendar for Microsoft vs Cirrus Insight](https://www.g2.com/compare/cirrus-insight-vs-ontime-group-calendar-for-microsoft) **Compare Cirrus Insight with other alternatives:** - [Cirrus Insight vs Microsoft 365](https://www.g2.com/compare/cirrus-insight-vs-microsoft365) - [Cirrus Insight vs Calendly](https://www.g2.com/compare/calendly-vs-cirrus-insight) - [Cirrus Insight vs Brevo Marketing Platform](https://www.g2.com/compare/brevo-marketing-platform-vs-cirrus-insight) - [Cirrus Insight vs Acuity Scheduling](https://www.g2.com/compare/acuity-scheduling-vs-cirrus-insight) - [Cirrus Insight vs Vagaro](https://www.g2.com/compare/cirrus-insight-vs-vagaro) - [Cirrus Insight vs Zoom Workplace](https://www.g2.com/compare/cirrus-insight-vs-zoom-workplace) - [Cirrus Insight vs Google Workspace](https://www.g2.com/compare/cirrus-insight-vs-google-workspace) - [Cirrus Insight vs ClickUp](https://www.g2.com/compare/cirrus-insight-vs-clickup) - [Cirrus Insight vs Apollo.io](https://www.g2.com/compare/apollo-io-vs-cirrus-insight) ### 5. [Acuity Scheduling](https://www.g2.com/products/acuity-scheduling/reviews) By Squarespace **Average Rating:** 4.6/5 **Total Reviews:** 410 Acuity Scheduling lets businesses easily book and manage appointments online. Categories in common with OnTime Group Calendar for Microsoft: [Calendar](https://www.g2.com/categories/calendar-software), [Online Appointment Scheduling](https://www.g2.com/categories/online-appointment-scheduling) **Compare:** [OnTime Group Calendar for Microsoft vs Acuity Scheduling](https://www.g2.com/compare/acuity-scheduling-vs-ontime-group-calendar-for-microsoft) **Compare Acuity Scheduling with other alternatives:** - [Acuity Scheduling vs Microsoft 365](https://www.g2.com/compare/acuity-scheduling-vs-microsoft365) - [Acuity Scheduling vs Calendly](https://www.g2.com/compare/acuity-scheduling-vs-calendly) - [Acuity Scheduling vs Brevo Marketing Platform](https://www.g2.com/compare/acuity-scheduling-vs-brevo-marketing-platform) - [Acuity Scheduling vs Cirrus Insight](https://www.g2.com/compare/acuity-scheduling-vs-cirrus-insight) - [Acuity Scheduling vs Vagaro](https://www.g2.com/compare/acuity-scheduling-vs-vagaro) - [Acuity Scheduling vs Zoom Workplace](https://www.g2.com/compare/acuity-scheduling-vs-zoom-workplace) - [Acuity Scheduling vs Google Workspace](https://www.g2.com/compare/acuity-scheduling-vs-google-workspace) - [Acuity Scheduling vs ClickUp](https://www.g2.com/compare/acuity-scheduling-vs-clickup) - [Acuity Scheduling vs Apollo.io](https://www.g2.com/compare/acuity-scheduling-vs-apollo-io) ### 6. [Vagaro](https://www.g2.com/products/vagaro/reviews) By Vagaro **Average Rating:** 4.6/5 **Total Reviews:** 393 Vagaro.com is a website that allows users to find salons and spa in their local area and make appointment online with them. Categories in common with OnTime Group Calendar for Microsoft: [Calendar](https://www.g2.com/categories/calendar-software), [Online Appointment Scheduling](https://www.g2.com/categories/online-appointment-scheduling) **Compare:** [OnTime Group Calendar for Microsoft vs Vagaro](https://www.g2.com/compare/ontime-group-calendar-for-microsoft-vs-vagaro) **Compare Vagaro with other alternatives:** - [Vagaro vs Microsoft 365](https://www.g2.com/compare/microsoft365-vs-vagaro) - [Vagaro vs Calendly](https://www.g2.com/compare/calendly-vs-vagaro) - [Vagaro vs Brevo Marketing Platform](https://www.g2.com/compare/brevo-marketing-platform-vs-vagaro) - [Vagaro vs Cirrus Insight](https://www.g2.com/compare/cirrus-insight-vs-vagaro) - [Vagaro vs Acuity Scheduling](https://www.g2.com/compare/acuity-scheduling-vs-vagaro) - [Vagaro vs Zoom Workplace](https://www.g2.com/compare/vagaro-vs-zoom-workplace) - [Vagaro vs Google Workspace](https://www.g2.com/compare/google-workspace-vs-vagaro) - [Vagaro vs ClickUp](https://www.g2.com/compare/clickup-vs-vagaro) - [Vagaro vs Apollo.io](https://www.g2.com/compare/apollo-io-vs-vagaro) ### 7. [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) By Zoom **Average Rating:** 4.5/5 **Total Reviews:** 56,483 Reimagine how your teams work with Zoom Workplace, powered by AI Companion. Streamline communications, improve productivity, optimize in-person time, and increase employee engagement, all with Zoom Workplace. Fueled by AI Companion, included at no additional cost. Categories in common with OnTime Group Calendar for Microsoft: [Calendar](https://www.g2.com/categories/calendar-software) **Compare:** [OnTime Group Calendar for Microsoft vs Zoom Workplace](https://www.g2.com/compare/ontime-group-calendar-for-microsoft-vs-zoom-workplace) **Compare Zoom Workplace with other alternatives:** - [Zoom Workplace vs Microsoft 365](https://www.g2.com/compare/microsoft365-vs-zoom-workplace) - [Zoom Workplace vs Calendly](https://www.g2.com/compare/calendly-vs-zoom-workplace) - [Zoom Workplace vs Brevo Marketing Platform](https://www.g2.com/compare/brevo-marketing-platform-vs-zoom-workplace) - [Zoom Workplace vs Cirrus Insight](https://www.g2.com/compare/cirrus-insight-vs-zoom-workplace) - [Zoom Workplace vs Acuity Scheduling](https://www.g2.com/compare/acuity-scheduling-vs-zoom-workplace) - [Zoom Workplace vs Vagaro](https://www.g2.com/compare/vagaro-vs-zoom-workplace) - [Zoom Workplace vs Google Workspace](https://www.g2.com/compare/google-workspace-vs-zoom-workplace) - [Zoom Workplace vs ClickUp](https://www.g2.com/compare/clickup-vs-zoom-workplace) - [Zoom Workplace vs Apollo.io](https://www.g2.com/compare/apollo-io-vs-zoom-workplace) ### 8. [Google Workspace](https://www.g2.com/products/google-workspace/reviews) By Google **Average Rating:** 4.6/5 **Total Reviews:** 48,100 Google Workspace enables teams of all sizes to connect, create and collaborate. It includes productivity and collaboration tools for all the ways that we work: Gmail for custom business email, Drive for cloud storage, Docs for word processing, Meet for video and voice conferencing, Chat for team messaging, Slides for presentation building, shared Calendars, and many more. Categories in common with OnTime Group Calendar for Microsoft: [Calendar](https://www.g2.com/categories/calendar-software) **Compare:** [OnTime Group Calendar for Microsoft vs Google Workspace](https://www.g2.com/compare/google-workspace-vs-ontime-group-calendar-for-microsoft) **Compare Google Workspace with other alternatives:** - [Google Workspace vs Microsoft 365](https://www.g2.com/compare/google-workspace-vs-microsoft365) - [Google Workspace vs Calendly](https://www.g2.com/compare/calendly-vs-google-workspace) - [Google Workspace vs Brevo Marketing Platform](https://www.g2.com/compare/brevo-marketing-platform-vs-google-workspace) - [Google Workspace vs Cirrus Insight](https://www.g2.com/compare/cirrus-insight-vs-google-workspace) - [Google Workspace vs Acuity Scheduling](https://www.g2.com/compare/acuity-scheduling-vs-google-workspace) - [Google Workspace vs Vagaro](https://www.g2.com/compare/google-workspace-vs-vagaro) - [Google Workspace vs Zoom Workplace](https://www.g2.com/compare/google-workspace-vs-zoom-workplace) - [Google Workspace vs ClickUp](https://www.g2.com/compare/clickup-vs-google-workspace) - [Google Workspace vs Apollo.io](https://www.g2.com/compare/apollo-io-vs-google-workspace) ### 9. [ClickUp](https://www.g2.com/products/clickup/reviews) By ClickUp **Average Rating:** 4.6/5 **Total Reviews:** 13,014 ClickUp is one app to replace them all. It's the future of work. More than just task management - ClickUp offers docs, reminders, goals, calendars, and even an inbox. Fully customizable, ClickUp works for every type of team, so all teams can use the same app to plan, organize, and collaborate. Categories in common with OnTime Group Calendar for Microsoft: [Calendar](https://www.g2.com/categories/calendar-software) **Compare:** [OnTime Group Calendar for Microsoft vs ClickUp](https://www.g2.com/compare/clickup-vs-ontime-group-calendar-for-microsoft) **Compare ClickUp with other alternatives:** - [ClickUp vs Microsoft 365](https://www.g2.com/compare/clickup-vs-microsoft365) - [ClickUp vs Calendly](https://www.g2.com/compare/calendly-vs-clickup) - [ClickUp vs Brevo Marketing Platform](https://www.g2.com/compare/brevo-marketing-platform-vs-clickup) - [ClickUp vs Cirrus Insight](https://www.g2.com/compare/cirrus-insight-vs-clickup) - [ClickUp vs Acuity Scheduling](https://www.g2.com/compare/acuity-scheduling-vs-clickup) - [ClickUp vs Vagaro](https://www.g2.com/compare/clickup-vs-vagaro) - [ClickUp vs Zoom Workplace](https://www.g2.com/compare/clickup-vs-zoom-workplace) - [ClickUp vs Google Workspace](https://www.g2.com/compare/clickup-vs-google-workspace) - [ClickUp vs Apollo.io](https://www.g2.com/compare/apollo-io-vs-clickup) ### 10. [Apollo.io](https://www.g2.com/products/apollo-io/reviews) By Apollo.io **Average Rating:** 4.7/5 **Total Reviews:** 9,687 Apollo is an all-in-one sales intelligence platform with tools to help you prospect, engage, and drive more revenue. Sellers and marketers use Apollo to discover more customers in market, connect with contacts, and establish a modern go-to-market strategy. Apollo's B2B Database includes over 210M contacts and 35M companies with robust and accurate data. Teams leverage Apollo’s Engagement Suite to scale outbound activity and sequences effectively. Finally, up-level your entire go-to-market processes with Apollo's Intelligence Engine with recommendations and analytics that help you close. Founded in 2015, Apollo.io is a leading data intelligence and sales engagement platform trusted by over 10,000 customers, from rapidly growing startups to global enterprises. Categories in common with OnTime Group Calendar for Microsoft: [Calendar](https://www.g2.com/categories/calendar-software) **Compare:** [OnTime Group Calendar for Microsoft vs Apollo.io](https://www.g2.com/compare/apollo-io-vs-ontime-group-calendar-for-microsoft) **Compare Apollo.io with other alternatives:** - [Apollo.io vs Microsoft 365](https://www.g2.com/compare/apollo-io-vs-microsoft365) - [Apollo.io vs Calendly](https://www.g2.com/compare/apollo-io-vs-calendly) - [Apollo.io vs Brevo Marketing Platform](https://www.g2.com/compare/apollo-io-vs-brevo-marketing-platform) - [Apollo.io vs Cirrus Insight](https://www.g2.com/compare/apollo-io-vs-cirrus-insight) - [Apollo.io vs Acuity Scheduling](https://www.g2.com/compare/acuity-scheduling-vs-apollo-io) - [Apollo.io vs Vagaro](https://www.g2.com/compare/apollo-io-vs-vagaro) - [Apollo.io vs Zoom Workplace](https://www.g2.com/compare/apollo-io-vs-zoom-workplace) - [Apollo.io vs Google Workspace](https://www.g2.com/compare/apollo-io-vs-google-workspace) - [Apollo.io vs ClickUp](https://www.g2.com/compare/apollo-io-vs-clickup) ## Explore Articles - [Best cloud-based HCM solutions for large organizations](https://www.g2.com/discussions/what-are-the-best-cloud-based-hcm-solutions-for-large-organizations) - [Best SMS Marketing Software](https://www.g2.com/discussions/looking-for-the-best-sms-marketing-software-in-2025) - [Where to find the best board software](https://www.g2.com/discussions/where-to-find-the-best-board-software) - [Top-rated p2p software for small businesses](https://www.g2.com/discussions/top-rated-p2p-software-for-small-businesses) - [Which solution supports vulnerability scanning for cloud environments?](https://www.g2.com/discussions/which-solution-supports-vulnerability-scanning-for-cloud-environments) - [Best platforms for securing multi-cloud storage](https://www.g2.com/discussions/best-platforms-for-securing-multi-cloud-storage) ## Spotlight Categories - [Accounting Software](https://www.g2.com/categories/accounting) - [Compensation Management Software](https://www.g2.com/categories/compensation-management) - [Data Observability Software](https://www.g2.com/categories/data-observability)