VibeCalc is a premium utility calculator with 8+ interactive mascot themes, a semester CGPA tracker, matrix operations, complex solvers, and the official GATE virtual layout. 100% offline and optimized for tablets.
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Maker
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Hi Product Hunt!
I'm new in App Development. I built this app because I was tired of standard, boring pre-installed calculators that look dull and lack advanced tools for students and engineers.
VibeCalc is built with React Native, Expo, and Reanimated. During development, I focused heavily on styling and responsiveness:
• Stored all data (CGPA profiles, history) 100% locally and offline using AsyncStorage.
• Replaced native OS toggles with custom Pressable switches for cross-device visual consistency.
• Memoized button components with React.memo to ensure instant, lag-free key tappings.
• Crafted 8 custom themes (including Neumorphic, Jarvis AI, and Boba Cartoon) with animated reacting mascots.
I’d love to hear your feedback on the themes, layouts, and performance. Thank you for checking it out!
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How does the GATE virtual layout handle the trickier matrix entries, and can I switch between layouts without losing my current calculation?
1. GATE vs. Matrix Solver: The GATE layout replicates the official exam calculator (which has no matrix functions, to match exam rules). For matrix operations, we built a dedicated Matrix Mode with a visual grid supporting fractions and decimals.
2. Switching Layouts: Navigating between modes resets active screen drafts, but all completed calculations are instantly saved to your global history so you never lose your results!
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The mascot themes are such a nice touch, they make crunching matrices feel way less dry. Love that it stays fully offline too.
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Maker
@kriye0tjy Thank you so much! I really wanted to bring some personality and fun to math with the reacting mascots, so I'm thrilled you like them!
Keeping the app 100% offline was a priority for me to ensure zero loading times, no ads, and complete privacy for users. Thanks for the support!
How does the GATE virtual layout handle the trickier matrix entries, and can I switch between layouts without losing my current calculation?
@emelkorkune7b0 Hi! Thanks for checking out VibeCalc!
1. GATE vs. Matrix Solver: The GATE layout replicates the official exam calculator (which has no matrix functions, to match exam rules). For matrix operations, we built a dedicated Matrix Mode with a visual grid supporting fractions and decimals.
2. Switching Layouts: Navigating between modes resets active screen drafts, but all completed calculations are instantly saved to your global history so you never lose your results!
The mascot themes are such a nice touch, they make crunching matrices feel way less dry. Love that it stays fully offline too.
@kriye0tjy Thank you so much! I really wanted to bring some personality and fun to math with the reacting mascots, so I'm thrilled you like them!
Keeping the app 100% offline was a priority for me to ensure zero loading times, no ads, and complete privacy for users. Thanks for the support!