If you already know Availability Sync, this is the deeper bench. 250+ availability app for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
Easily share your free time slots for meetings and appointments. This app integrates with your existing calendars and allows for customized sharing messages and professional calendar invites. Streamline your scheduling process and avoid back-and-forth communication.
This app facilitates efficient information sharing and task completion for groups through a shared calendar. It allows for organizing people, scheduling work, managing availability, and securely sharing events with teams or external parties.
What We Love
👍 Easy to use
👍 Intuitive interface
👍 Helpful for organizing schedules
👍 Reliable and efficient
Room to Improve
🐛 App crashes and freezes
🐛 Glitches with editing and deleting events
🐛 Inconsistent performance between mobile and desktop versions
Availability Sync tops our availability app ranking as of August 2026, with a 4.4-star average from 5 App Store ratings, and it's free to download.
Are there free availability app for iPhone?
Yes — 20 of the top availability app we rank are free to download, including Availability Sync and Meet'em: Availability Calendar.
Does Availability Sync have ads or in-app purchases?
Availability Sync has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
How many availability app are on the App Store?
We track 250+ availability app on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
How does Availability Sync share my availability?
Availability Sync allows you to share available time slots instantly via text or calendar invites. You can customize sharing messages and generate professional calendar invitations for recipients.
What calendars does Availability Sync integrate with?
Availability Sync seamlessly syncs with iOS, Google, and Outlook calendars. It displays all your calendars in a unified interface with real-time updates and instant conflict detection.