- All revenue is currently organic; no marketing efforts or paid ads have been used so far. Only a small amount of ASO has been done. - Apps in the same category that actively invest in marketing and advertising earn significantly more. - It’s an app with strong potential to go viral on platforms like TikTok and Instagram.
- All revenue is currently organic; no marketing efforts or paid ads have been used so far. Only a small amount of ASO has been done. - Apps in the same category that actively invest in marketing and advertising earn significantly more. - It’s an app with strong potential to go viral on platforms like TikTok and Instagram.
KoriQuest uses smart flashcards, gamification, and native audio to build real speaking confidence. Perfect for beginners, travelers, and K-culture fans. I'm also including warmed-up TikTok accounts so you can continue marketing and growing this app from day one.
Revenue (30d)
$636
Asking Price
$5k
$3k
Multiple
0.4x
Transforms AI-generated content into writing that genuinely feels human. Not by swapping words around like every other tool, but through a Human-AI Synergy Engine that actually understands your content before rewriting it. Logic intact. Voice intact. No robotic footprint. Customers love the pricing too, pay as you go, no monthly fees, credits never expire. Writing agencies are already hooked on it and keep coming back.
Revenue (30d)
$2.5k
Asking Price
$25k
$15k
Multiple
0.5x
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RevenueCat. Tracked since Dec 15, 2025.Last updated: May 7, 2026, 09:48 AM
Value proposition
Grammar Check Corrector is your ultimate tool for improving your grammar and mastering any language.
Problem solved
Helps users perfect their sentences and boost their confidence by correcting grammar mistakes.
Pricing
Free · In‑App Purchases: Weekly $5.99, Yearly $39.99, Special $24.99, Monthly $9.99
Target audience
Students, professionals, and language enthusiasts
Business details
Frontend
I want to sell it because I have debts, and I am selling it to provide financial support for my other projects.
Talha Yavçın
Founder of Grammar Checker