30Hands is an iPad app that I've used and shared in workshops quite a bit over the last few years. It's a nice app for creating flipped lessons or whiteboard-style instructional videos. Unfortunately, after years of offering a free version of the app, the developers have pulled the plug on the free version. The paid version still exists. If you're looking for some alternatives to 30Hands, take a look at the following options.
Shadow Puppet Edu is a free iPad app that you can use to create audio slideshow videos. The app offers an integrated search tool for finding pictures from the Library of Congress, to search for images from NASA, and to find Creative Commons licensed images from Flickr. You can also import pictures and videos from the camera roll on your iPad. After selecting a set of images students you can arrange them into any sequence by simply dragging and dropping them into order. Then to create a story press the record button and talk while flipping through your images. My sample story is embedded below.
You might have noticed that on the first slide I had a magic wand effect to highlight each dog. That is one of many effects that you can add to your images in Shadow Puppet Edu. You can also zoom and type over your pictures. Completed Shadow Puppet Edu projects are automatically saved to your iPad's camera roll. You can also export your projects directly to YouTube.
Know Recorder is a free iPad app and free Android app for creating whiteboard-style instructional videos. With Know Recorder installed on your iPad or Android device you can draw and talk while the app records everything that you do and say. Your video can have multiple pages which is a nice feature when you want to give a multiple step demonstration without having to erase anything. Know Recorder will let you import PDFs and pictures to display and annotate on screen in your instructional video. Completed videos can be saved to your device's camera roll, exported to YouTube, or shared to Know Lounge. Know Lounge is the community site for sharing lessons created with Know Recorder.