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RizzFit
Free fitness calculators + a plan that adapts to you
RizzFit turns one-off fitness numbers into a plan that learns. Start with 18 free calculators (TDEE, macros, protein, body fat, 1RM, calorie deficit, heart-rate zones) that show their formulas and sources, with no signup. Then let the app adjust your calories and training from your real progress trend.
Hi Product Hunt! I'm Aathi, a solo dev from Toronto. I built RizzFit because every calculator I used gave me a different number, and none of them updated when reality disagreed. Every RizzFit calculator shows its formula and source, and the app recalibrates your targets from your actual weight and performance trend. Tell me which calculator you'd want next!
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About RizzFit on Product Hunt
“Free fitness calculators + a plan that adapts to you”
RizzFit was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #160 on the daily leaderboard. RizzFit turns one-off fitness numbers into a plan that learns. Start with 18 free calculators (TDEE, macros, protein, body fat, 1RM, calorie deficit, heart-rate zones) that show their formulas and sources, with no signup. Then let the app adjust your calories and training from your real progress trend.
RizzFit was featured in Health & Fitness (83.3k followers) on Product Hunt. Together, these topics include over 31.4k products, making this a competitive space to launch in.
Who hunted RizzFit?
RizzFit was hunted by Aathil Thadathil. 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 RizzFit stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Aathil Thadathil