Commerce · alternatives · 2026
24 alternatives to Spaceweight: Your Weight on Other Worlds
Check on weight on other planets.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. Spaceweight: Your Weight on Other Worlds launched in 2020; newer entries below may have overtaken it.
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Atlas of Spacefree▲770Hello HN! Sharing a recent side project of mine, the Atlas of Space, that I built out to explore the Solar System. As a long-time space nerd, I realized recently that I didn't have a good intuition on the scale, speed, and relative orientation of the celestial bodies around us. So over the break I built out a kind of spatial Wikipedia to click around and learn about planets, moons, asteroids, and other bodies orbiting the Sun. The physics is all simulated in the browser using simple Newtonian mechanics. There's a lot left to do from here, including modeling objects in non-Keplerian orbits…
2025 · atlasof.space · its alternatives →
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WeightHub▲58Easily synchronize your body weight data between platforms
2019 · weemple.com · its alternatives →
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Calculate your BMI using height and mass
2022 · minimalbmicalculator.web.app · its alternatives →
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Find out how much you weigh in different rediculous things.
2020 · its alternatives →
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An interactive visualization of the universe
2019 · neal.fun · its alternatives →
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Planet Hunters▲106Help astro-scientists search for life in our galaxy & beyond
2015 · zooniverse.org · its alternatives →
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8Planets▲66A simple viewer for planetary orbits in our Solar System
2021 · 8planets.app · its alternatives →
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Calor▲71A mindful way to measure and understand your body activity
Apr 2026 · calor-landing.vercel.app · its alternatives →
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The quickest way to keep track of your weight
2019 · apps.apple.com · its alternatives →
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Convert your weight into corgis, bananas, black holes, and more. Ditch metric and imperial and use objects!
2024 · scientific.place · its alternatives →
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Keep A Track Of Your Weight, Easily.
2024 · pss-weighttracker.netlify.app · its alternatives →
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🏋️ Light Weight - Your AI Personal Fitness Companion
Jan 2026 · play.google.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →