This product was not featured by Product Hunt yet. It will not be visible on their landing page and won't be ranked (cannot win product of the day regardless of upvotes).
CalcBook is a natural language calculator for Android. Type like you think: coffee $4.50 + muffin $3.00 → $7.50. Works fully offline. Freelancers, travelers, students: stop switching between Notes and Calculator. CalcBook merges them.
Hey PH! I'm Rupesh, a solo dev from India. I built CalcBook because I kept losing track of freelance invoices in my notes app. It's fully offline, free to try, and I'd love your honest feedback. What calculation would you test first?
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About CalcBook on Product Hunt
“Your notepad that does the math”
CalcBook was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #130 on the daily leaderboard. CalcBook is a natural language calculator for Android. Type like you think: coffee $4.50 + muffin $3.00 → $7.50. Works fully offline. Freelancers, travelers, students: stop switching between Notes and Calculator. CalcBook merges them.
CalcBook was featured in Android (57.1k followers), Productivity (650.7k followers) and Personal Finance (2.7k followers) on Product Hunt. Together, these topics include over 172.3k products, making this a competitive space to launch in.
Who hunted CalcBook?
CalcBook was hunted by Rupesh Sappata. 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.
Want to see how CalcBook stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Rupesh Sappata