ManCore's answer

ManCore combines daily health tracking with real clinical instruments most consumer apps skip — IPSS and SHIM/IIEF-5 scores are calculated automatically, not just logged as free text. Every article is medically reviewed and PubMed-cited. No supplements are sold on the platform, so there's no incentive to oversell any product or claim.

RepDB's answer:

RepDB is sold as a one-time download, not a metered API — you own the JSON/SQLite data and WebP images outright, with no rate limits, no per-request billing, and no risk of the vendor cutting off access. It's also the only dataset in this space with EN/DE/ES translations, transparent (alpha-channel) images with no watermark, muscle-group highlighting, safety/goal tags, and looping animations on the higher tier.

ManCore's answer

Prostate and sexual health tracking simply didn't exist as a real app category — fitness apps cover steps and sleep, but the symptoms men actually start worrying about after 40 (urinary frequency, PSA trends, erectile function) had no dedicated home besides a paper diary or a spreadsheet. ManCore was built to fill that gap, with medically-reviewed content and cited research built in from day one rather than added later.

RepDB's answer:

RepDB grew out of a consumer workout app its creator was building solo. Sourcing exercise images and data meant either paying for a subscription API with usage caps and no caching rights, or producing everything from scratch. The illustrated, multi-language dataset was built for us first, then split out as its own product once it became clear other indie developers had the same problem and preferred to buy the data outright rather than rent it through an API.

ManCore's answer

General fitness apps (Apple Health, MyFitnessPal) don't track prostate, urinary, or sexual-function symptoms at all. A paper diary or spreadsheet doesn't auto-calculate clinical scores or send age-based screening reminders. ManCore does both, for free, and exports a doctor-ready PDF report — most alternatives solve one piece of the workflow, not the full loop from daily symptom to urologist visit.

RepDB's answer:

Most alternatives are subscription APIs — you pay monthly, you're capped on requests, and ExerciseDB's terms of use explicitly forbid caching or storing the data at all, so every image render is a live paid API call. RepDB is the opposite: pay once, download the files, self-host with zero ongoing dependency. It's also the only option offering true DE/ES localization and transparent images instead of a white box behind every exercise.

ManCore's answer

Men 40 and older managing or at risk of prostate issues (BPH, early urinary symptoms) and related sexual health concerns like erectile dysfunction. Typically health-conscious, often pre-diagnosis or newly diagnosed, wanting objective data before or between urologist visits.

RepDB's answer:

Solo developers and small teams building fitness or workout-tracking apps (iOS, Android, web) who need licensed exercise images and structured exercise data, but don't want to build their own media pipeline or depend on a rate-limited third-party API.

ManCore's answer

Frontend/Framework: Next.js 16.2.6 (App Router, Turbopack), React 19.2.4, TypeScript, Tailwind CSS 4, Framer Motion

Backend/Data: Supabase (Postgres + Auth + RLS) as the primary database, Next.js API routes for server logic

AI: Vercel AI SDK + AI Gateway, anthropic/claude-sonnet-5 (AI Advisor)

Billing: LemonSqueezy (checkout, webhooks, subscriptions) — Stripe SDK is in package.json but LemonSqueezy is what's actually wired into billing routes

Email: Resend (transactional + drip sequences)

PDF generation: @react-pdf/renderer (doctor reports)

Push notifications: web-push + a custom service worker (public/sw.js)

Monitoring: Sentry (@sentry/nextjs)

Testing: Vitest

Hosting/Infra: Vercel (Hobby plan), Vercel Cron for scheduled jobs, Cloudflare (WAF/DNSSEC per earlier hardening work)

Icons/UI: lucide-react