App Detail » PECS Phase III

What's New

This app has been updated by Apple to display the Apple Watch app icon.

Adjusted for iOS8 and iOS9. Sorry for taking long time to update the PECS Phase III app. If you are still experiencing a bug, please contact our support.

Bug Fixes:
• The app crashed at the launch (iOS9) - fixed.
• Opening a popover window twice caused a crash - fixed.
• Recording audio caused a crash - fixed.
• Launching the camera caused a crash (iOS8) - fixed.
• The Edit Picture window had a layout issue - fixed.

New Features:
• The welcome screen will be presented only at the first launch. To access the screen again, please tap on the help (question mark) icon.
• If the app is in the session mode, the app will be in the same session mode at the next launch.

App Description

PECS Phase III App

Based on research from the field of Applied Behavior Analysis (ABA), the PECS™ protocol details a specific discrimination teaching strategy in Phase III. The PECS Phase III app is an invaluable tool that allows you to implement the teaching of Phase III of PECS™ and offers a novel approach to providing new opportunities for learners to practice discrimination techniques and strategies.
The app, designed to look just like a PECS™ communication book permits a teacher to practice picture discrimination with one or several learners within a single session. Touching the correct icon results in immediate visual and auditory feedback from the device in a manner far quicker than a teacher could react. If the learner touches an incorrect icon, there is no significant feedback. A correct picture selection results in access to a desire item or activity!

For teaching simple discrimination, the learner selects from an array involving the target picture versus a distracter picture. Both options allow you to move the pictures around on the page, between trials and to vary the number of pictures per trial from 2 to 12. A Correspondence Check™ can be tested by arranging two or more equally valued items and corresponding pictures with strategies from the Phase IIIB PECS™ protocol.

*App is not intended to replace your PECS communication book and/or to serve as a standalone communication system.

Features include;
-Over 100 Pics for PECS™ images
-Male and female voice with on/off option
-Customizable Library with your own pictures
-Visual guide to the 4-Step Error Correction Procedure and Correspondence Checks

App Changes

• June 08, 2014 Initial release
• April 14, 2015 Price decrease: $7.99 -> $3.99
• May 02, 2015 Price increase: $3.99 -> $7.99
• November 14, 2015 New version 1.3.0
• June 14, 2019 Price decrease: $7.99 -> $5.99
• June 16, 2019 Price decrease: $7.99 -> $5.99
• April 25, 2024 Price decrease: $5.99 -> $2.99