# Understanding Behavior BCBA — user reviews > 78 indexed App Store user reviews of Understanding Behavior BCBA by Understanding Behavior LLC, rated 5.00/5 from 88 ratings. - Source: https://appshunter.io/ios/app/understanding-behavior-bcba/id6739206472/reviews - App overview in markdown: https://appshunter.io/ios/app/understanding-behavior-bcba/id6739206472.md - Rating breakdown: 5★ 87 · 4★ 1 · 3★ 0 · 2★ 0 · 1★ 0 ## What do users think of Understanding Behavior BCBA? Overall sentiment: positive **Pros** - 🚀 Excellent prep material - 👍 Fun and clarity - 🚀 Life saver - 🚀 Study Materials that WORK - 👍 Easy to Use - 🚀 Amazing test prep - 👍 Apptastic - 🚀 Mocks are the closest to exam Ive seen - 👍 Great App! - 👍 Great study app - 👍 Fluency at its finest - 🚀 Helpful test prep - 👍 Great Resource! - 🚀 Helpful! - 🚀 Incredible Feedback That Takes Your Learning to the Next Level! - 🚀 Amazing study material - 🚀 Best BCBA prep - 🚀 Exam Prep - 🚀 BEST APP OUT THERE - 👍 Love this app! - 🚀 Best study material! - 👍 Love it! - 🚀 Understand behavior - 👍 Fluency Galore - 🚀 You need this!! - 👍 The best! - 👍 Great for on the go learning - 🚀 Super!!! - 🚀 Studying that doesn't break the bank. - 👍 BCBA Exam prep - 🚀 Best fluency app - 🚀 Amazing! - 🚀 Such a great app for BCBS exam prep! ## Newest reviews (19 of 78) ### 5/5 — Highly Recommended *2025-08-24, version 4.6.0* For anyone about to take the BCBA exam and looking for different mocks and programs to study from Understanding Behavior is the place to be! I would recommend Understanding Behavior to new test takers, multiple test takers or anyone really looking to study for the exam, concepts are laid out in a way that are easy to understand and just helps you all around get ready to pass one of the hardest tests ever. ### 5/5 — Purchased bundle *2025-08-23, version 4.6.0* I recently purchased the Complete Beast Slayer Bundle and it has been a game changer! Everything in the bundle is organized, easy to follow, and super practical for real world application. I love how comprehensive it is it really covers all the bases and makes the studying/process much more manageable. Definitely worth it if you want a complete, all in one resource. Highly recommend! ### 5/5 — Beastslayer *2025-08-23, version 4.6.0* Great review course. Helps to break material down in a simplified manner. Provides lecture, interactive practice, and test questions. ### 5/5 — Exam Prep *2025-08-23, version 4.6.0* I love this app so much! I purchased the fluency questions and they at do helpful! ### 5/5 — Easy to use *2025-08-23, version 4.6.0* I love how it offers free mock to trial some mini mock before purchasing. I just discovered it as well. I will make sure I will let my colleagues about it too ### 5/5 — Multiple Test Taker! *2025-08-22, version 4.6.0* I just began this course and not only is the app user friendly, they review the information in a way that is easy to understand and breaks the questions down to help you deepen your understanding of not just the answer, but all components of the question! ### 5/5 — Great app *2025-08-22, version 4.6.0* The app is so helpful! I like to take my learning with me wherever I go. The app is user friendly and is helping me practice for my upcoming test. It is not slow and works so well. I’ve used other apps that are not this user friendly, and this one is perfect. ### 5/5 — Love this app! *2025-08-22, version 4.6.0* I love this app. I can access all the products and see upcoming events. I’ve used other apps, and so far this is my favorite. ### 5/5 — Love!!! *2025-08-21, version 4.6.0* This app is SUPER helpful for studying on the go, something I am very familiar with. Definitely recommend Understanding Behavior to help pass the exam!!! ### 5/5 — Excellent Content *2025-08-21, version 4.6.0* This app is great with the course material. Easy to use and seamless with all the content. ### 5/5 — 8/20 Amazing *2025-08-21, version 4.6.0* I’ve taken the exam both in the 5th edition and 6th edition. UB writes well mock questions that closely resemble the exam in the sense it makes you think and challenges you. Amazing ### 5/5 — Best study material *2025-08-21, version 4.6.0* Don’t sleep on using this BCBA prep materials. Nick has it all, his mocks, and study courses are the best! You won’t get bored and you’ll learn a lot. ### 5/5 — USE THIS APP *2025-08-21, version 4.6.0* Really thorough explanations of ABA! App is very user friendly and love that it is free with options for add ons! ### 5/5 — Love the app *2025-08-20, version 4.6.0* Really enjoy the mini mock questions and fluency package on my app! So convenient and easy to use which has helped me a lot ### 5/5 — This is it!! *2025-08-20, version 4.6.0* Love it!! I finally found the missing piece to make it click! ### 5/5 — DO IT! *2025-08-20, version 4.6.0* The app itself is very easy to use and the feedback provided really helps fine tune your overall fluency and competency surrounding terms/applications. If you are on the fence of downloading this, this is your sign! Do it!! ### 5/5 — Great app *2025-08-20, version 4.6.0* UB is one of the best materials for studying for the BCBA exam. I’ve used BDS and BAS and UB is the one the resembles the real exam the closest. I like that their question don’t make you doubt yourself like some other resources do. He makes his materials to help us learn and understand the material rather than trick you. The real exam doesn’t try to trick you. I think the BCBA exam is straight forward just like his mock exams. His mocks have a good balance between long scenario questions and short scenario questions just like the real exam. I learned so much just from the mini mock bundle. ### 5/5 — Try this first! *2025-08-20, version 4.6.0* Best bcba prep app and materials by far. Love how you can access the courses and materials purchased through the app ### 5/5 — Exam material *2025-08-20, version 4.6.0* Nick and his team have done such a great job in making this app user friendly and easy to follow and gain knowledge to help me working towards my exam! ## Most critical reviews (10 lowest-rated) ### 4/5 — Super Ultimate Mock Bundle *2025-08-25, version 4.6.0* The app is user friendly and allows me to track my progress for my mock exam bundle. it would be cool if the app also provided access to links and notifications to the study groups, like the ones you see in emails ### 5/5 — Helpful!!! *2025-08-26, version 4.6.0* Great study resource! ### 5/5 — Amazing resource *2025-08-25, version 4.6.0* I bought the ultimate mock bundle and have only done the mini mocks. Questions are fair but challenging but I feel like it’s preparing me for the exam. ### 5/5 — This is it! *2025-08-25, version 4.6.0* I have been using the mocks to prepare for the exam and these are my favorite! The mocks are easy to follow but a little challenging just like the exam. I’m looking forward to beating the beast! ### 5/5 — Amazing App *2025-08-25, version 4.6.0* I love this app!! It is so convenient and I have not experienced any technical issues like I have with other BCBA exam prep apps. Also, I love the fact that I can complete the beast slayer course on the app. It feels like I’m on my laptop! This is a wonderful app!! ### 5/5 — Fantastic app for studying *2025-08-25, version 4.6.0* I got the complete beast bundle and so far, it’s been wonderful. The feedback on questions missed, the fluency quizzes and the overall quality are well worth the money! If you’ve been on the fence about it, just get it!! You won’t regret it! ### 5/5 — Amazing Resources *2025-08-24, version 4.6.0* All of Nicks paid resources are great. Add in the FREE study halls and you can’t beat it! The mini mocks have helped me so much with fluency! I know my stuff- now to take the mocks to help with question dissection and I’m sure I’ll pass ### 5/5 — Great study material *2025-08-24, version 4.6.0* I’ve used many BCBA study materials and have found UB to be the most comprehensive. BTB mock exams not only encourage critical thinking but provide detailed feedback. ### 5/5 — Easy on the go *2025-08-24, version 4.6.0* I’ve been taking the Beast Slayer course on the website and recently tried downloading the app to review the lesson and also can take the quizzes between my sessions. Super convenient! ### 5/5 — BCBA prep *2025-08-24, version 4.6.0* UB has been one of the most beneficial tools I’ve used for the BACB exam prep. The teachers have a way of not only explaining but helping you understand the material. The app has been user friendly and pairs well with their website. ## Most praised reviews (1 highest-rated) ### 5/5 — 10/10 recommend! *2025-08-24, version 4.6.0* I swear by the UB materials! I purchased the BTB mocks, fluency questions , and attended many of the weekly lives! I believe that UB is the reason I passed my exam the first try! I make sure to tell everyone to use the UB materials because they’re worth it! I wish I would’ve been able to find UB quicker in my study journey! --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-29.*