Easy app to use
This type of studying is easy and on the go. You can access it anytime and do quick little questions throughout the day which I love. It also explains the answers which I found helpful.
Ever since completing all questions it doesn’t work
This app worked great until I completed all the questions. Now it doesn’t work right. Doesn’t tell me what I need to work on where I stand among the questions. It’s become very frustrating to use. I deleted it and reloaded it. It still doesn’t work right… or as one would expect. I don’t know if others could be experienced this problem but… it’s made me feel other questions from other apps and other sources.
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Stopped working
The app does not work. It shows blank page for each tab with error occurred message. I tried uninstalling and reinstalling but did not change. Not recommend
Amazing, just one issue.
I’ve been using this app for a while now and I love it. Unfortunately the subscription fee is a bit too much for me but for now, using the daily questions has work.
My only issue with this app is that when I use it in the iPad, I often run into a problem where the question is shown but the answers are not. It stays blank for a while and even when resetting the app, the questions still don’t show up. It’s great on iPhone, haven’t had any issues with it there. Must be a software issue.
My only issue with this app is that when I use it in the iPad, I often run into a problem where the question is shown but the answers are not. It stays blank for a while and even when resetting the app, the questions still don’t show up. It’s great on iPhone, haven’t had any issues with it there. Must be a software issue.
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Great app
Perfection
Who ever made this is a blessing
This app is so well made. Has question from easy, medium, hard, to challenging. I love a well functioning, clean helpful app. I was spending so much money with other websites but this is so worth the cost. It’s all those other websites in one. Thank you for who made this app!
Haven’t scrubbed in 11 years
I haven’t scrubbed in 11 years and look to get rectified to srub again. This app has really helped refresh my memory.
Passed my certification exam with this app!
I studied for my CST certification exam using this app every day for a month straight and I honestly think this was a huge part of why I passed!! The app is incredibly user friendly and the questions are relevant to the actual questions that are on the exam, and covered every topic that could possibly be on the exam as well! It’s affordable compared to some other apps and resources out there for CST certification exam prep, and well worth the price. Very thorough app, highly recommend as a tool to help you study for the national certification exam!
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Amazing app for CST exam
i would give this app 100 stars if I could!! I used this app to study for my CST certification exam and I passed on my first time taking the test! This is literally the only resource I used to study 3 weeks before my test and it helped me so much! They have actual questions that were on my exam! Best app to use to study! If you go through it daily you will pass your exam!
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App won’t work
Updated the app and now it won’t work anymore
Doesn’t work
Doesn’t work on my ipad yet I bought it and the app says my ipad is compatible. I have it downloaded on my iPhone and it works but not my ipad! Very upsetting that I can’t study on my ipad when I payed for it. When I open the app it just shows my progress but doesn’t let me study any of the subjects !!!
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CST
Great app for setting me up for success for my up coming CST exam at the end of my phase 2 of army training!
Passed the test!!
Thank you guys for the app! I had a couple of complications and their support team was very helpful. I enjoyed the feedback per options as to why it’s correct or incorrect!!
Best App for CST
I’ve tried many CST apps and this one seems to be the one. I take my exam on April 18 2025 and I’m putting my faith in CST Mastery. Good luck everyone
Awesome
This app is great for study review get it and buy it
I love the app but
I would give it 5 stars but it doesn’t the quick review “Review Concept” like the book does. So I have to still carry the book and use the app at the same time
Froze
Everytime i try to subscribe to a plan it freezes.
I would give it 6 stars if I could
I just rested after many years. I bought the book first but it was kinda overwhelming and a lot to carry around. This was always with me since I always had my phone. The app breaks everything down into categories - lets you rate if you knew the question or not - It gives you every rationale behind the answers - gives definitions for each answer - you can go back and revisit items you need to review. This app is great! I felt very prepared and passed with flying colors. 👍🏼
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SPD tech
This app is helpful being a SPD tech because if I know the procedure then it is helpful in picking the instructions to go with it.
Questions
I wish they wouldn’t ask, know, don’t know , some what know.
