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UI Critic by Usercall

Instantly surface the assumptions behind a UI screenshot

Design Tools
User Experience

Hunted byJunu YangJunu Yang

Upload 1–3 screenshots and get an annotated critique that makes hidden user assumptions and risks explicit before you ship.

Top comment

Many UI issues I’ve seen aren’t visual problems but unchecked assumptions about users.

The tool takes a UI screenshot and makes those assumptions explicit, along with the risk of being wrong.

This isn’t meant to replace user testing. It’s a pre-mortem to catch risky assumptions before you invest in proper testing. Curious where people think this breaks down or gives false confidence.

Comment highlights

Great UX audit product, I think it will help a lot of people building by themselves or people who are not from the design field uncover these assumptions. 🥳

I feel you could add the wins also, they might trigger more thoughts on how to fix it.


All in all, had a good time trying this as my design partner. ✌️

About UI Critic by Usercall on Product Hunt

Instantly surface the assumptions behind a UI screenshot

UI Critic by Usercall was submitted on Product Hunt and earned 43 upvotes and 5 comments, placing #22 on the daily leaderboard. Upload 1–3 screenshots and get an annotated critique that makes hidden user assumptions and risks explicit before you ship.

UI Critic by Usercall was featured in Design Tools (259.5k followers) and User Experience (364.7k followers) on Product Hunt. Together, these topics include over 65.1k products, making this a competitive space to launch in.

Who hunted UI Critic by Usercall?

UI Critic by Usercall was hunted by Junu Yang. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.

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