Touch Choice by Autism Made Easy is a simple visual choice board with useful features like syncing via iTunes (compatible with Visual Cue and Working For too), internet search and more. You can use it to make quick impromptu choice boards to use on the spot. There are a few sample images, but you can easily add new ones through your camera, photo library or internet and make a recording for each too. (Internet can be restricted in the settings- you can turn it off, or choose from three different search engines.) You can even crop the images and save sets of choices to pull up quickly later.
To set up a board, you drag the images around into the spot you want them on the screen, add new choices with a double tap in the spot you would like to place a choice, or delete everything on the screen by pressing and holding for 3 seconds. You can also edit the size of the images on the screen through a simple pinching motion. There is also a numbering function , so you can make simple lists of tasks too.
This is a simple interface with no codes or locks to keep a user out of settings, so keep that in mind and decide if you need that feature.
There is a lite version to try out to see if it is what you need: https://itunes.apple.com/us/app/touch-choice-lite/id587021971?mt=8
You may also want to take a look at Visual Cue Lite, as the full version, Visual Cue, includes Touch Choice and has several other features included as well: https://itunes.apple.com/us/app/visual-cue-lite/id442164732?mt=8 I personally use Visual Cue a lot, it has a wonderful visual countdown timer feature.
Screen shots of Touch Choice Lite:
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