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Calsee
A calculator with a new theme every swipe, for every hand
Calsee is a free calculator for iPhone, iPad and Android that generates a new theme every time you swipe: Liquid Glass, Neo-brutalism, Cyberpunk, Paper & ink and more. It's also built for everyone: hold any key to learn what it does, switch to a left-handed layout, and every theme is contrast-checked, with a 7:1 accessible mode. History with search, notes and CSV export, and the amount in words under every result. No ads, no account, no tracking.
Hi Product Hunt! 👋 I'm Abhilash, the maker of Calsee.
I've spent a lot of time on theme management: light, dark, festive and high-contrast themes, all kept in sync by hand. I wanted to see if themes could be generated instead, and a calculator felt small enough to try. In Calsee a theme is a single seed: swipe the display and the app works out the colours, key shapes, fonts, press motion and even the click sound, across 12 styles from Liquid Glass to Neo-brutalism.
Once the themes worked, I kept asking "who might find this hard to use?" That led to the parts I'm proudest of:
Hold any key to learn what it does, with a worked example you can watch
A left-handed layout that moves = and the operators to your thumb
Every theme is contrast-checked (4.5:1 minimum, 7:1 in Accessible mode), operator keys are checked against simulated colour blindness, and every key has a screen-reader label
History you can search, annotate, pin and export as CSV
The amount in words under every result (lakh/crore or million/billion, in English or Hindi)
It's free, with no ads, no account and no tracking, and it works fully offline. Built with Flutter for iPhone, iPad and Android.
I'd love your feedback: which theme style you like best, what feels off, and what you'd want next. Happy to answer anything about the theme generator too!
About Calsee on Product Hunt
“A calculator with a new theme every swipe, for every hand”
Calsee was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #151 on the daily leaderboard. Calsee is a free calculator for iPhone, iPad and Android that generates a new theme every time you swipe: Liquid Glass, Neo-brutalism, Cyberpunk, Paper & ink and more. It's also built for everyone: hold any key to learn what it does, switch to a left-handed layout, and every theme is contrast-checked, with a 7:1 accessible mode. History with search, notes and CSV export, and the amount in words under every result. No ads, no account, no tracking.
On the analytics side, Calsee competes within Android, iOS and Productivity — topics that collectively have 834.2k followers on Product Hunt. The dashboard above tracks how Calsee performed against the three products that launched closest to it on the same day.
Who hunted Calsee?
Calsee was hunted by Abhilash Mishra. 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.
For a complete overview of Calsee including community comment highlights and product details, visit the product overview.
Abhilash Mishra
Hi Product Hunt! 👋 I'm Abhilash, the maker of Calsee.
I've spent a lot of time on theme management: light, dark, festive and high-contrast themes, all kept in sync by hand. I wanted to see if themes could be generated instead, and a calculator felt small enough to try. In Calsee a theme is a single seed: swipe the display and the app works out the colours, key shapes, fonts, press motion and even the click sound, across 12 styles from Liquid Glass to Neo-brutalism.
Once the themes worked, I kept asking "who might find this hard to use?" That led to the parts I'm proudest of:
Hold any key to learn what it does, with a worked example you can watch
A left-handed layout that moves = and the operators to your thumb
Every theme is contrast-checked (4.5:1 minimum, 7:1 in Accessible mode), operator keys are checked against simulated colour blindness, and every key has a screen-reader label
History you can search, annotate, pin and export as CSV
The amount in words under every result (lakh/crore or million/billion, in English or Hindi)
It's free, with no ads, no account and no tracking, and it works fully offline. Built with Flutter for iPhone, iPad and Android.
I'd love your feedback: which theme style you like best, what feels off, and what you'd want next. Happy to answer anything about the theme generator too!