Curated list of the top 30 free (or freemium) scheduling tools that include native iOS/Android apps for on‑the‑go appointment management.
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Widely used calendar with built‑in event scheduling, reminders, and a robust mobile app for Android and iOS.
Integrated with Outlook email, offers free calendar sharing and a polished mobile app for iOS and Android.
Simple link‑based booking system that syncs with Google, Outlook, and iCloud calendars; mobile‑responsive web app works on phones.
Poll‑based meeting scheduler; free plan includes unlimited polls and a native mobile app for quick availability voting.
No‑login, grid‑style availability picker; works flawlessly on mobile browsers and offers a lightweight companion app.
Free appointment booking platform with calendar sync, client reminders, and dedicated iOS/Android apps.
Automated scheduling with two‑way calendar sync and SMS/email reminders; mobile apps keep bookings in sync.
Limited‑feature free tier for solo professionals; includes calendar sync and a responsive mobile web interface.
Online booking system with up to 50 bookings per month; mobile app lets you manage appointments on the go.
Free for individuals; integrates payment processing, calendar sync, and native iOS/Android apps.
Part of Zoho suite; offers basic booking pages, calendar sync, and mobile apps for iOS/Android.
Unlimited meeting types with calendar integrations; mobile‑friendly web UI works well on smartphones.
Free for one user; includes automated reminders and native mobile apps for managing bookings.
Appointment scheduling with client self‑service portal; mobile apps keep your schedule updated.
Online booking with calendar sync and SMS reminders; iOS/Android apps let you accept or decline bookings instantly.
Self‑hosted open‑source scheduler with Google Calendar sync; responsive design works on mobile browsers.
Simple event scheduler with RSVP tracking; mobile‑optimized site and native app for quick access.
Connects to Google Calendar, offers booking pages and mobile‑responsive interface; iOS/Android apps available.
Basic booking page with calendar sync and mobile‑friendly dashboard; native app for iOS/Android.
Free for solo entrepreneurs; includes client reminders and a mobile app for managing appointments.
Standalone mobile app that syncs with Setmore web dashboard; free plan includes unlimited appointments.
Free meeting scheduler integrated with HubSpot CRM; mobile‑responsive and works with HubSpot mobile app.
Simple booking page linked to Outlook calendar; accessible via the Outlook mobile app.
All‑in‑one client management with free scheduling, calendar sync, and mobile apps for iOS/Android.
Team‑focused version of Calendly with shared availability; mobile‑responsive web UI works on phones.
Real‑time availability sharing with calendar sync; mobile‑optimized site and companion app.
Video‑enabled booking with calendar sync and push notifications; iOS/Android apps keep you on schedule.
Lightweight extension that adds a scheduling button to Gmail; works on mobile Chrome browsers.
Marketing calendar with simple event scheduling; mobile‑responsive UI works on smartphones.
Basic booking system with Google Calendar sync and a native mobile app for managing appointments.
Free meeting scheduler with QR‑code invites; mobile‑optimized web interface works on all devices.
Tailored version for teachers and students; integrates with Google Classroom and works on mobile browsers.