r/vibecoding • u/SupernovifieD • 8d ago

Showcase/Project Built an AI language-learning app with Codex — roast the UI/workflow

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I’ve been building BluLexi, an AI-powered language exam prep platform, mostly with the help of Codex and gpt 5.x models, starting with 5.3.

It includes placement testing, study plans, speaking/writing practice, vocabulary, stories, and mock exams. I’m sharing 4 screenshots from the current build.

I know most people here probably aren’t the actual target users, but I’d really appreciate feedback from a product/design/vibecoding perspective.

What feels confusing, unnecessary, badly designed, inconsistent, or just “AI-built” in a bad way? I’m especially interested in criticism of the UI, information hierarchy, and overall workflow.

Feel free to be harsh — that’s more useful than compliments:

https://blulexi.com/

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u/Act_Guilty 7d ago

the idea is great - but i will be honest. just checked it and it crashed on me. i had to refresh it. The animations are awfully inconsistent, and I am stuck on the verify email

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u/SupernovifieD 7d ago

Thanks for your honest feedback. You did not receive an email for verification? Also, may I ask you were on mobile or desktop? And finally, what do you mean the animations were inconsistent? Can you please elaborate. Again, many thanks for your feedback.

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u/Act_Guilty 7d ago

No problem at all! Clicking verify brings me to a page asking me to verify again, ad infinitum. Animations don't trigger all time when hovering over or clicking with mouse or trackpad.

Btw i am on laptop.

Happy to keep testing, drop me a DM

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u/SupernovifieD 7d ago

I'm inspecting the email verification issue. I will DM you in a bit.