Reviews of Justinmind viewer

By: Justinmind App

List of user reviews and ratings for Justinmind viewer

Total ratings

3.12 (Rating count: 622)

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Review summary

Across multiple reviews, users report persistent Android login problems (especially Google Sign-In and incorrect credentials) and frustration with the sign-in flow. They cite expensive, unclear subscription terms and a paywall that appears after onboarding. Privacy concerns surface due to data collection during sign-in and warnings of data breaches. Several users note that in-app signup is unavailable, forcing them to use the website. Some also complain about viewer limitations, such as missing fonts and limited dynamic resolutions, making the app less usable for prototyping on mobile.

Pros

Acts as a dedicated mobile viewer for prototypes stored in the cloud.
Lightweight, focused on viewing prototypes on Android.

Cons

Login/authentication failures on Android are common, including Google Sign-In issues and invalid credentials.
Subscription cost is high and terms are unclear or not disclosed upfront.
Cannot sign up in-app; signup must be done on the website, causing confusion.
Privacy concerns: data collection during sign-in and reports of potential data breach.
Viewer-only limitations, such as missing fonts and limited viewing resolutions, hinder prototype work.

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User Reviews

Recent rating average: 1.40

All time rating average: 3.12

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74% (29)

Date	Author	Comment
2025-09-06	Tu*****	just a time waste 🤬🤬
just a time waste 🤬🤬
2025-03-01	Am*****	The application is very bad, it is true that the facilities provided help us, but it also causes a lot of trouble, and the subscription payment cost is unreasonable and very expensive compared to the advantages.
The application is very bad, it is true that the facilities provided help us, but it also causes a lot of trouble, and the subscription payment cost is unreasonable and very expensive compared to the advantages.
2024-10-03	Ha*****	I think it's a scam app I clicked on sign in with google, it gather my information like name and email and then said you no longer have access Beware it gather information but not provide access
I think it's a scam app I clicked on sign in with google, it gather my information like name and email and then said you no longer have access Beware it gather information but not provide access
2023-10-01	Pr*****	Haiya How would you sign in if you h
Haiya How would you sign in if you h
2023-06-12	Mo*****	The software is great and all but the sometimes when I enter the software many fonts are always missing. And I can't complete my prototype without those fonts.
The software is great and all but the sometimes when I enter the software many fonts are always missing. And I can't complete my prototype without those fonts.
2023-05-17	Fr*****	Fu*ked up app. Doesn't work
Fu*ked up app. Doesn't work
2023-03-28	Li*****	The app will let you sign in, but you have to sign up on the website first. Unfortunately, the app doesn't tell you that sign-up is impossible through the app. I just did this today as it's my first time using the app. Hope this helps everyone!
The app will let you sign in, but you have to sign up on the website first. Unfortunately, the app doesn't tell you that sign-up is impossible through the app. I just did this today as it's my first time using the app. Hope this helps everyone!
2023-03-25	Mo*****	Why would anyone choose to torture yourself by using this app
Why would anyone choose to torture yourself by using this app
2022-10-07	La*****	Like many others can't get past login. Even Uninstall / reinstall doesn't reset it. Disappointed.
Like many others can't get past login. Even Uninstall / reinstall doesn't reset it. Disappointed.
2022-09-26	Fa*****	Google Sign in isn't working
Google Sign in isn't working