# PECS Phase III > ABA-based app for practicing picture discrimination skills with learners. (iPhone/iPad app by Pyramid Group Management.) - Source: https://appshunter.io/ios/app/pecs-phase-iii/id551356825 (this page in markdown: same URL + `.md`) - Developer: [Pyramid Group Management](https://appshunter.io/developer/397784967) - Category: Education, Lifestyle - Price: Free (on sale, was $5.99) - Rating: 3.00/5 from 2 App Store ratings · 8 written reviews indexed - Age rating: 4+ - Requires: iOS 8.0 · 60 MB - Languages: American English - Released: 2012-08-21 - Data updated: 2026-07-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/pecs-phase-iii/id551356825/reviews.md ## What is PECS Phase III? 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 ## Key features - Picture discrimination practice - Immediate visual and auditory feedback - Customizable library with own pictures - Supports 2 to 12 pictures per trial - Includes Correspondence Check™ testing - Visual guide to error correction ## Recent user reviews (8 of 8) All indexed reviews: https://appshunter.io/ios/app/pecs-phase-iii/id551356825/reviews.md ### 1/5 — Dead on arrival *2024-03-26* Purchased it and never worked. Tried multiple times to reinstall but won’t start or load up. Using iPad Pro 12.9 5 gen latest updates ### 4/5 — Discrete trials *2015-02-24, version 1.2.0* This app is a great tool for teaching children how to discriminate between pictures being used in PECS and other tasks. I really want to try the PECS IV now that I know this company makes high quality apps. ### 4/5 — great start! *2014-07-26, version 1.2.0* i purchased after reading the info, we have other apps for my nonverbal son but he has had the same PECs book for 6 years and i thought that he would see familiar things. i am excited that pryamid is in creation mode and i think this app works great on the basics. my son does discriminate and we are using this app more and more i dont know how to make the nest phase work like a real book but i can't wait to see what is next! ### 5/5 — I love this app! *2014-02-13, version 1.2.0* I love this app! While this app is not a stand-alone communication device, it has been so helpful in teaching picture discrimination to my students. The app comes pre-stocked with 100 images which are great, but I love that I can add my own images. You can record audio for any image you add as well as re-record the audio for pre-stocked images. This is certainly a nice feature! The app allows you to customize the images and the tabbed insert pages. With the images, I've been able to adjust the size and display picture and text, picture only and/or text only for each image. With the insert pages, I've been able to change the color, change the number of velcro strips per page and adjust the spacing between the strips as needed. I also love that there are visual cheat sheets for correspondence checks and the 4-step error correction! This comes in handy when I need a reminder! Thanks to Pyramid for creating such a wonderful and useful app! Can't wait to see what they come up with next! ### 1/5 — Not worth it *2014-02-03, version 1.2.0* I thought the pictures were limited and it does not gave the custom options I was expecting. It does not exactly work like a PECS system. It's just a bunch or random pictures. Not good for a teacher to use at school. ### 4/5 — Ms. *2013-06-07, version 1.1.0* Nice clean app that is easy to setup and edit. It would be helpful if the settings icon (lock) could be password protected so that the student's cant change it without permission. ### 4/5 — PECS phase 3 *2013-01-18, version 1.0.2* I love using this app in my autism preschool class. Goodbye Velcro and lamination! Only downfall is that we want to move past phase 3 with a couple kids... Please make some more! ### 5/5 — Love it! *2012-11-05, version 1.0.1* We use PECS in our classroom. This app seems like the perfect transition to a voice output program. It is easy to manage for the children and they are able to generalize the skills they have learned from the PECS book to this. We would love it if there was a sentence strip at the bottom so the children can build sentences. ## Frequently asked questions about PECS Phase III ### What is PECS Phase III used for? PECS Phase III is an educational app designed to implement discrimination teaching strategies from Applied Behavior Analysis (ABA). It allows learners to practice identifying and selecting correct icons, providing immediate positive feedback for correct responses. ### Does PECS Phase III have ads? No, PECS Phase III is ad-free. The app does not contain any advertisements, ensuring an uninterrupted learning experience for users. ### What devices does PECS Phase III support? PECS Phase III is currently supported on iPads. It is not available for other mobile devices like iPhones or Android tablets. ### How many pictures are included in PECS Phase III? The app comes with over 100 Pics for PECS™ images. Additionally, users can create a customizable library by adding their own pictures. ### Can PECS Phase III be used as a standalone communication system? No, the app explicitly states it is not intended to replace a PECS communication book or serve as a standalone communication system. It is a tool for practicing specific teaching strategies. ### What is the user rating for PECS Phase III? PECS Phase III has a rating of 3.0 stars based on 2 user ratings. This indicates a mixed reception from its current user base. ### How often is PECS Phase III updated? The app was last updated on November 14, 2015, with version 1.3.0. This suggests infrequent updates, with the latest version being over several years old. ### What age rating does PECS Phase III have? PECS Phase III has an age rating of 4+. This means it is suitable for children aged 4 and above, aligning with its educational purpose. ## Version history (last 5 releases) ### 1.3.0 — 2015-11-14 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. ### 1.2.0 — 2013-12-15 1. Added three new sessions. Teachers can change the position or size of pictures during those sessions. Drag pictures to change positions. Pinch pictures to change sizes. 2. The picture name of a default picture can be changed on the picture setting window. This is good for users whose first language is not English. 3. Fully supported the retina display. 4. Made adjustments to support iOS7. 5. Minor bug fixes. ### 1.1.0 — 2013-03-22 1. Optimized pictures for the retina display. 2. Extended the maximum size of pictures. 3. Minor bug fixes. ### 1.0.2 — 2012-11-21 1. Crash Fix. When users tried to import a picture in iOS6, the app crashed. 2. Crash Fix. When the 40th picture was imported, the app crashed and didn't start at the next launch. If you have experienced this issue, updating the app will remove the issue and restore all imported pictures. You can import more pictures. 3. Small bug fixes. ### 1.0.1 — 2012-10-19 When a book was deleted, the program sometimes crashed at the next launch. This crash was fixed in version 1.0.1. 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User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-01.*