# Ezy Trigonometry — user reviews > 37 indexed App Store user reviews of Ezy Trigonometry by KGiants, rated 2.50/5 from 44 ratings. - Source: https://appshunter.io/ios/app/ezy-trigonometry/id654848143/reviews - App overview in markdown: https://appshunter.io/ios/app/ezy-trigonometry/id654848143.md - Rating breakdown: 5★ 13 · 4★ 3 · 3★ 3 · 2★ 1 · 1★ 24 ## Newest reviews (16 of 37) ### 1/5 — Crash problems *2018-09-12* That app immediately crashes when I attempt to launch it. I use an iPhone 6 Plus with the latest iOS version. Please correct this and I will rewrite my review. ### 1/5 — Crashes *2018-09-10, version 1.1.1* Won’t even open. Just keeps crashing. I got so frustrated that I deleted it from my iPad. ### 1/5 — No worky *2018-08-05, version 1.1.1* Crashes as soon as opened ### 1/5 — No longer works with iOS 11.4 *2018-06-18* I used this often until I updated to OS 11.4 ### 1/5 — Won’t even load *2018-05-31* App won’t even load. I click the logo and it loads the opening screen, then immediately crashes and closes. ### 1/5 — Not working *2018-05-29, version 1.1.1* The app crashes as soon as it opens :( ### 1/5 — Crashing constantly *2018-02-21, version 1.1.1* App use to work and now it will not open. ### 1/5 — Crashes *2018-02-21, version 1.1.1* Bad ### 1/5 — Keeps crashing *2018-02-03* It crashes as soon as I open it. ### 1/5 — Doesn’t Open :T *2018-01-21* Looks like a great app, but it hasn’t been updated in 4 years and thus is incompatible with iOS past 7. Shame. ### 1/5 — Last update killed it *2017-12-23* App will no long even launch after last up date. ### 1/5 — Not working *2017-10-20, version 1.1.1* Does NOT work ### 1/5 — Doesn’t work *2017-10-16* Used to be great, needs to be updated to work with Latest IOS ### 1/5 — Crashes Instantly on IOS 11 *2017-09-26* And the contact email is undeliverable :-/ ### 2/5 — Ehh.. *2016-12-06* I've tried using this to help me with my homework, and I like the app because of its information; but it's lacking in its ability to find missing sides or reducing to simplistic form. It's frustrating! And I can't navigate through the app, it just shoved me in like someone walked over and handed me a protractor and said 'Here, this will help' and I don't know how it's supposed to help! Maybe expand the app a bit more and I'll redownload this. ### 3/5 — Good but crashes *2016-10-15* The circle display is great but the app crashes whenever I try to view the formulas iPAd iOS 10 ## Most critical reviews (10 lowest-rated) ### 1/5 — Lazy Developer *2025-04-03, version 1.1.1* Working on iOS 10.3.3 ### 1/5 — Crashes *2021-04-25* Can’t get it to run ### 1/5 — Crashes *2019-09-28* Keeps crashing before it even opens ### 1/5 — Sad it’s broken *2019-04-22* It crashes immediately ### 1/5 — Don’t download! *2019-04-16* First of all I can’t even open that app at all. It doesn’t even deserve a star. I tried using it on WiFi or just my data maybe that was causing it. Nope didn’t work either way. I tried shutting my phone off completely then turning it back on and that didn’t work either. Idk if it’s just my phone but don’t download it. ### 1/5 — Immediately crashes *2018-12-23* Downloaded the app and tried to run. Displayed opening screen and closed. ### 1/5 — Crashhhh *2018-11-09, version 1.1.1* App crashed ... you guys should really update or take it out of the app store. ### 1/5 — It doesn’t work with later iOS *2018-11-05, version 1.1.1* Please update ### 1/5 — Crashes *2018-10-25, version 1.1.1* Doesn’t work on ios12 ### 1/5 — Sami *2018-10-10, version 1.1.1* Doesn’t even open when I click on it? ## Most praised reviews (10 highest-rated) ### 5/5 — App needs attention *2019-12-19, version 1.1.1* Hi everyone this app is not working I try effortlessly to open it several times whiteout success.maybe the founders need to fix some issues or it is free that’s why it’s locked ### 5/5 — Great app *2015-06-15, version 1.1.1* This is a great app! ### 5/5 — Awesome *2014-11-11, version 1.1.1* Really really good! ### 5/5 — Awesome app! *2014-06-29* I'm a visual learner and this app really helped me out. Thank you! ### 5/5 — Cool lil trig app *2014-03-28* Very cool little app. Nice demonstration of the unit circle, with a few extras. ### 5/5 — Good app *2014-02-27, version 1.1.1* Quite good for Maths. ### 4/5 — Awesome, just wish I had it sooner. *2015-10-21* It's a great app, like I said I wish I had it sooner. While I already understand trig and do well in it these days, I was curious when I saw the app so I downloaded it and will now be keeping it. I was disappointed about 1 thing though, because I feel like anyone teaching trig should know this. And this is on you Mr./Mrs. Developer, you need to rationalize the denominator when you represent values in fractions. While tan pi/6 = 1/root3 may be correct in that it's the exact value, it is not simplified to the point where it would be correct on an exam. The correct way to represent this value is root3/3. This is done, for those who want to learn, so that you get the square root out of the denominator which makes it easier you to do more complex calculations down the road. It is a habit that should be drilled into your education in trig. I noticed the issue with tan, cot, sec, and csc for exact values on the unit circle. All of them have a denominator that isn't rationalized at some point on the unit circle. Until this is fixed I will keep my review at 4 stars because while it's a great app, but it does have this error that wouldn't fly for a trig professor looking for simplified exact values. Rationalizing square roots from the denominator is a simple process but it shouldn't be skipped for its simplicity by any means. ### 4/5 — Super helpful! *2015-03-16, version 1.0* This app has really nice, clear visuals and it's easy to use. However, I docked a star because it'd be better if it also had angle measures in Radians (units of pi) for the major angles (30, 45, 90, etc). Otherwise great app! ### 3/5 — Won’t run *2017-11-07* App no longer works with latest iOS update. ### 3/5 — But if you don't know *2017-03-05* I can't believe trig is hard. It's just presented in cryptic terms. 95% is trying to figure out the terminology. I'm sure this app would be great for someone who understands trig already. What was the authors purpose for the app? If it's teaching trig, it fails; if it's to make graphic demonstration in coded terms he should get 5. It's fun to move the arrow for a minute, that's about it for me. --- *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 2026-06-10.*