# Butterfly Challenge — user reviews > 18 indexed App Store user reviews of Butterfly Challenge by implicitli, LLC, rated 4.59/5 from 51 ratings. - Source: https://appshunter.io/ios/app/butterfly-challenge/id1429201714/reviews - App overview in markdown: https://appshunter.io/ios/app/butterfly-challenge/id1429201714.md - Rating breakdown: 5★ 43 · 4★ 1 · 3★ 2 · 2★ 0 · 1★ 4 ## Newest reviews (2 of 18) ### 5/5 — Very helpful *2019-02-21, version 1.0.2* This app is a must have for any goaltender. It contains valuable information and I very easy to use. ### 5/5 — So easy to use *2019-02-21, version 1.0.2* Super simple layout that makes it easy to follow, easy to access the workout and easy to see the videos. A huge improvement from carrying around the PDF ## Most critical reviews (10 lowest-rated) ### 1/5 — Impossible to connect *2024-04-17, version 1.0.2* There’s no way to get connected. There’s always an error message something like « there was an error creating your account. Please check your network connection and try again. » as you can see I don’t any network connection and I read that I’m not the only one having this issu. ### 1/5 — Doesn’t work any more *2024-04-13, version 1.0.2* For some reason you’re forced to create an account, but the account server looks to be dead; it keeps returning a “check your connection” error….I'm using the same connection to post this, so I know it works. ### 1/5 — Cant get past login page *2023-02-10* Doesn’t work; i cant even register or get past the ‘Get Started’ page after entering my email. ### 1/5 — App hangs on sign up screen *2022-12-08, version 1.0.2* App hangs on sign up screen. Unusable ### 1/5 — Unusable app *2022-06-26, version 1.0.2* While trying to sign up it infinitely loads, this app is unusable. ### 3/5 — Bug to report *2021-07-25, version 1.0.2* Hey gang, it would appear that upon trying to sign up, after entering my email, the app doesn’t move forward. ### 5/5 — OMG *2025-08-14, version 1.0.4* This app is a must have for all goalies across the world I am on day 5 and I love it if the app sees this great job but more variety cuz there’s only two stretching sessions that you rotate between but still this app is amazing. Thank you ### 5/5 — Hockey *2021-01-26, version 1.0.2* Really helped with my butterfly made me 10x better, also helped with hips. ### 5/5 — LOVE IT!!! *2021-01-06, version 1.0.2* This is a MUST HAVE I have always had trouble figuring out a schedule for training and keeping my legs loose this checks one thing off the list I may not be a hockey goalie I play ringette and it works just the same I love it thank you to everyone who made this app!!! 😁 ### 5/5 — Works great *2020-09-14, version 1.0.2* So much useful info. Great app. ## Most praised reviews (6 highest-rated) ### 5/5 — Helpful *2020-03-18, version 1.0.2* WOW!! This was very helpful. It helped me be more flexible and also make more kick saves. I’ve always tried to find a way to be more flexible but every time I tried a idea, it never worked. But this was the first thing that actually worked! Thanks Maria!! ### 5/5 — Love Having the Butterfly Challenge in an app! *2019-02-22, version 1.0.2* Great interface, I love this format, app works great! Thank you for putting the challenge in this format! Maria is an amazing trainer and mobility expert. Her dedication to goalie off ice development is extraordinary! Highly recommend her work! ### 5/5 — Must have for every goalie *2019-02-22, version 1.0.2* Extremely easy to use app! Full videos with great description for every movement. Every goalie should have and use this app! ### 5/5 — Very effective *2019-02-22, version 1.0.2* After the first time I completed this (a few versions ago) I couldn't believe how much looser I felt. The effect on my butterfly and general flexibility was remarkable. I repeat this often. This and all the other info/stretches from Maria Mountain will make you better. ### 5/5 — Great App *2019-02-21, version 1.0.2* As a new goalie over the age of 47, this has been a big help! ### 5/5 — You need this *2019-02-21, version 1.0.2* If you play goalie. You need this app. It’s that simple --- *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 2026-07-16.*