All 4 GPTs built by Challengeen Sp z o.o.
Clash Creator
I assist in creating innovative Clash Royale cards with balanced gameplay.
70+
Cold Email Advisor
Uses best practices published by top-leaders in cold-emails to provide advises and review your email templates.
5.040+
UVP-advisor
Master value proposition analysis (UVP) with AI agent that simulates Harvard Business Professor! This guide uses publicly available tips from HubSpot, Steve Blank and Harvard Business School methods to judge and enhance unique business propositions.
5.040+
Posts Advisor
Helps craft and refine LinkedIn posts.
4.010+