Day 28-29-30 - Profitable MVP in 30 Days - All According to Plan
Days 28-29-30 of the profitable MVP challenge where I look back at the original plan and assess progress. Sharing how I plan to hit the $1000 profit goal by buying my own app, and announcing the new app Focusify.app instead of letmethink. Also preparing landing page, promo video, and images for launch day.

Related Posts
Discover more content you might enjoy

Profitable MVP in 30 Days - Final Summary
Final summary of the 30-day profitable MVP challenge, evaluating the entire development process of three different apps: SoundBar, ReadingPointer, and Focusify. Detailed analysis of revenue, costs, actual profit achieved, along with valuable lessons about choosing business models, focusing on one product instead of spreading resources thin, and future plans for the developed products.

Day 25 - Profitable MVP in 30 Days - Never Give Up
Day 25 of the profitable MVP challenge where I admit ReadingPointer's failure - user retention is extremely low and no one cares about the paid features. Sharing lessons learned including targeting users with higher willingness to pay, challenges of building cross-browser extensions, and difficulties turning scientific methods like speed reading into products.

Vibe Coding and Its Drawbacks
Detailed analysis of the drawbacks and risks of Vibe Coding - the approach of letting AI write code without human oversight, helping readers understand the challenges in applying AI technology to software development.

Vibe Coding: The Revolution in Software Development
Introducing Vibe Coding - a new approach to software development, emphasizing the mindset shift and approach to building software, helping readers understand modern technology development trends.
![[Case Study] Building a DApp for Saving Highlights More Conveniently](/_next/image?url=https%3A%2F%2Fres.cloudinary.com%2Fkhoanguyen1505%2Fimage%2Fupload%2Fv1751209392%2Fkhoa_blog%2FCase_Study_X%25C3%25A2y_d%25E1%25BB%25B1ng_DApp_l%25C6%25B0u_highlights_m%25E1%25BB%2599t_c%25C3%25A1ch_t%2Fdde22654-dd7d-450e-9e4c-37073a35f20f_2000x803.png.jpg&w=828&q=75)
[Case Study] Building a DApp for Saving Highlights More Conveniently
The journey of developing EmboldenIT - a blockchain app for storing and sharing highlights from web content. This post shares the process from idea to implementation, technical challenges building a DApp on Blockstack platform, and designing user experience with a Chrome extension to optimize saving important content.
![[Case Study] Earning Thousands of Dollars from Blockchain Grants](/_next/image?url=https%3A%2F%2Fres.cloudinary.com%2Fkhoanguyen1505%2Fimage%2Fupload%2Fv1751208829%2Fkhoa_blog%2FCase_Study_Ki%25E1%25BA%25BFm_ng%25C3%25A0n_%25C4%2591%25C3%25B4_t%25E1%25BB%25AB_tham_gia_Blockchain_Gra%2F9a1da216-432c-4bdc-8de2-93103e607dbf_750x422.png.jpg&w=828&q=75)
[Case Study] Earning Thousands of Dollars from Blockchain Grants
Discover how to earn income from blockchain grant programs. This post explains what blockchain grants are, why blockchain projects need them, and shares real experience from someone who successfully participated in these programs. A practical guide for developers wanting to leverage opportunities in the cryptocurrency market.