RizzFit
Free fitness calculators + a plan that adapts to you
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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.
PH · launched Sep 26, 2026 · 2 upvotes (top 26%) · 0 views
Niche: fitness and health trackers · 434 launches, 41 in the last 7 days ▼ -7% · Explore this niche →
Category and tags
- Healthcare
- Vertical SaaS
- B2C
- AI feature
- Commercial product
- Health & Fitness
Visit website ↗ Source listing ↗
More like this: all 434 launches in fitness and health trackers →
Could you build this?
Yes A suite of standard fitness formula calculators (Harris-Benedict, Katch-McArdle, etc.) paired with simple local or database trend tracking is an ideal solo vibe-coding project.
Competitors
Other products that read as similar to this one : 665 launches clear the similarity bar, closest 8 shown.
Attention rank: #132 of 666 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 316 days after the earliest competitor.
- MyFitTools · ph · 2026-10-08 · 1 upvotes · similarity 0.66
- FitWijzr · ph · 2026-10-16 · 2 upvotes · similarity 0.61
- CalcVitals · ph · 2026-11-10 · 1 upvotes · similarity 0.60
- calcforfit.com · ph · 2026-11-06 · 1 upvotes · similarity 0.59
- Fitness Calculator · ph · 2026-10-22 · 1 upvotes · similarity 0.57
- Free Calorie Burn Calculator 100+ · ph · 2026-10-17 · 2 upvotes · similarity 0.56
- Carnivore Weekly Macro Calculator · ph · 2026-09-16 · 2 upvotes · similarity 0.55
- Sixpacks.fit · ph · 2026-09-09 · 1 upvotes · similarity 0.55
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.