Shelltief creates tools and products to solve problems, including a quiz tool, productivity tool, and website monitoring bot.
Shelltief creates tools and products to solve problems, including a quiz tool, productivity tool, and website monitoring bot.
Ranked #3625 on TrustMRR
No active subscriptions
9 followers on 𝕏
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Stripe API key.Last updated: Mar 24, 2026, 03:34 PM
Value proposition
Minimal products. Real impact.
Problem solved
Independent tools and products designed to solve real problems.
Pricing
GiveMeAQuiz: €1, QuizEval: Starting from 25c per credit, IsThisUpBot: Lifetime offer available
Business details
Additional info
Open source
secret sauce... e-mail me for it 😉 hello@davidtanasescu.com
Revenue (30d)
$23k
MRR
$0
Total
$372k
