No. 38 on the indexCreator toolsLaunched 2026May 2026

ClimbX
Learns your voice and helps you turn ideas into X posts and build a personal brand
What it is
ClimbX is a writing tool for X that learns a user's voice and helps them turn ideas into posts and post consistently. Danish ex-CTO Daniel Smidstrup built the base version in about five days with Claude Code and Codex on Next.js, Vercel and Supabase, and launched it in May 2026.
How it was built with AI
Stack per the founder: "Next.js on Vercel, Supabase, Claude Code and Codex for building"; base version built in about 5 days
Traction
Verified$1,160 MRR from 40 active subscriptions, $1,440 in the last 30 days and $8,115 all-time, Stripe-verified
As of Nov 5, 2026. Read from a payment provider via a public third-party profile such as TrustMRR. Read the source
One of 50 vibe-coded apps on MissumAI with revenue backed by payment data or a shown dashboard. See all vibe-coded apps making money
Sources
- 01ClimbX on TrustMRRTrustMRR · checked Nov 5, 2026
- 02200 Days on X: 0 to 12.9k Followers, a $1k MRR SaaS and $7K/MonthX (@DanielSmidstrup) · Oct 18, 2026 · checked Oct 30, 2026
- 03Daniel Smidstrup on ClimbX at $1.2k MRRX (@DanielSmidstrup) · Oct 17, 2026 · checked Oct 30, 2026
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