The coolest event planning app.

Kaikso is a simple and beautifully designed collaborative event planning app.

Simply stated, it's an app that helps you organize activities with your friends such as dinners, parties, weekend getaways, family vacations, reunions and so much more.

It works with your iPhone calendar to help you avoid scheduling conflicts.

Unlike existing apps, Kaikso allows invitees to suggest and vote on the time and place for the meeting. It let's you chat around an event, view who's been invited and who's coming. And best of all, friends don't need to register or install the app to RSVP.

FREE for a limited time!

How does it work?

Kaikso works very simply. It allows you to easily plan events with your friends:


Collaborative & Democratic

Our app is fully collaborative by allowing invitees to suggest other time and venues for your event. People can then vote on their favortite suggested venue or time.

Calendar Integration

Kaikso integrates seamlessly with your iPhone's calendar by saving (with your permission of course) Kaikso events to your phone's calendar and to show you conflicting events.

Circles of Friends

Kaikso is all about circles. One neat feature is the ability to group friends into circles so you don't have to manually enter them everytime you want to invite them.

Friends and more

Kaikso allows you to invite friends from Facebook, your phone's contact list, circles of friends or by allowing you to manually enter an email address. You no longer have an excuse to invite that friend of yours that's not on Facebook.

Instant Notifications

Receive instant notifications when invitees RSVP or suggest new places and venues.

Mobile & Web Support

Our app offers full flexibility as it works on iPhone and Android mobile devices. People that don't want to install the app can still RSVP to your events by using our web module. It's that simple...


Screenshots for both iPhone and Android versions:


Version 1.0

Released on June 31st, 2013
  • New Initial release for iOS and Android


For general questions, bug reports or press inquires please fill out the form below.

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