TECH NEWS

We Tested ROLL Beauty for 19 Hours and Found Nine Bugs

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We are currently building ROLL Beauty, an app that lets users lean their smartphone against a wall, sit on a chair, and do a full 360-degree rotation in about 8 seconds. Users can then drag through the recording to review their hair from the front, side, and back—making it easy to point out specific angles to their hairstylist and ask, "Can we fix this part?"

Our team consists of two people: Nao (Developer) and Ryu (Business & Marketing). We are participating in the RevenueCat Shipaton 2026.

Prior to this session, our app worked perfectly inside the iOS Simulator. It processed 36 dummy images flawlessly with zero bugs reported.

So, we decided to spend an entire night actively trying to break it.

Starting at 10 PM and taking a quick nap along the way, we wrapped up around 5 PM the next day. The process was relentless: capture, analyze...

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