iPhone Screenshots


Give your PowerPoint or Keynote presentation in realtime. Directly from your iPhone or iPad.

1. Open a presentation in PowerPoint, Keynote or any tool. Save it as images.
2. On castyo.com, upload all images for the presentation.
3. Sync the presentation to the app.

Show to a web page in realtime. No cable, no account, not even WiFi required. Just a link for your viewers.

Castyo is a powerful tool for sales professionals, teachers and other presenters. You always have your slideshows at hand, in your iPhone or iPad, ready to give a presentation wherever you are, without any other software or hardware.
Create or change a presentation in PowerPoint or Keynote or any tool, then sync it in a minute to your device, ready to go!

* No presentation tech hassle with cables, USB memory or file download.
* No hardware requirements.
* Invite unlimited number of viewers over the web with a unique viewing link.
* Broadcast images and slides from your iPhone or iPad on your unique web page. * Your viewers follow in realtime in web browsers in PCs, smartphones, tablets, TVs and projectors or other devices, anywhere on the web.
* Castyo operates over the Internet, both WiFi and mobile. It does not require you and your viewers to be in the same room or on the same WiFi network.
* Unlimited number of attendees.
* You can speak on the phone with remote viewers simultaneously.

(PowerPoint and Keynote are registered trademarks of their respective owners.)

What’s New

Version 4.0.0

This app has been updated by Apple to use the latest Apple signing certificate.

New sync feature. Sync your Keynote or PowerPoint presentation slides to your iPhone or iPad.


Staffan Solve
16.5 MB

Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, Japanese

Age Rating
In-App Purchases
  1. Unlimited
  2. Unlimited photo upload $0.99
  3. Unlimited $0.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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