OneCal AlternativesCalendar Apps like OneCal
Apps similar to OneCal include Keeper, which is open source with a free version. Other options are SyncThemCalendars, Kalender Sync, Neocal and Calendar Family. You can choose from more than 10 Calendar Apps like OneCal for the web, iPhone and iPad.
Alternatives list
SyncThemCalendars allows you to block time in one calendar based on events in another calendar.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)
GDPR-compliant two-way calendar sync across Google, Outlook / Microsoft 365, iCloud, CalDAV and German providers like GMX. You choose per sync what is shared: busy only, title and time, or full details. Connects to Claude and ChatGPT via MCP. German company, German servers, DPA available.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
Germany
EU
+3
Calendar Family is a free, web-based calendar-sync service. It mirrors events in real time (webhook/push, not slow polling) across Google and Microsoft/Outlook, one-way or two-way, so you stop double-booking work and personal accounts.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
Multical is a calendar syncing app for fractionals, consultants, multi-hyphenates and portfolio careerists who want to stop getting double booked across clients.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
United States
Programmable calendar sync that lets you filter and transform events as they move between Google Calendar, Outlook, and Apple Calendar.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)
Czechia- EU
+1
Sync Contacts, Calendar and Tasks automatically Across iPhone, Android, Outlook, Gmail and apps
Cost / License
- Paid
- Proprietary
Platforms
- iPhone
- iPad
- Software as a Service (SaaS)
- United States
Canada
Estonia
Japan
Romania
Luxembourg
