Dev Q
Store data observed · From public App Store data · How we score apps
- Developer Tools
- App Store
- United States
- 5.01 ratings
- Free download
- Updated
- Observed
Ratings
Observed15.0★ average
Chart position
Observed—Not on the top charts
90-day growth
—not enough history yet
Opportunity score
AI-derived7/100Weak · low confidence
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About Dev QObserved
Dev Q is a Developer Tools app by jaesung Lee on the United States App Store. Released Sep 2, 2021; last updated Aug 5, 2025 (version 1.7). Dev Q is free to download.
As of Oct 12, 2026, Dev Q has a 5.0-star average rating from 1 ratings on the United States App Store. MRRBeam rates the success of Dev Q 11/100 (early stage).
Dev Q: Tech Interview Prep Made Simple Dev Q helps you master key technical questions for developer interviews — across CS, iOS, aOS, and Frontend. Whether you’re preparing last minute or reviewing on the go, Dev Q has you covered.
- Success score
- 11/100 Early stage
- In Developer Tools
- Outside the top 100
- Chart position
- Not on the top charts
- Developer
- jaesung Lee
App Store screenshotsObserved
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Top Developer Tools apps
The most successful Developer Tools apps MRRBeam tracks in the United States.
Dev Q: common questions
- What is Dev Q?
- Dev Q is a Developer Tools app developed by jaesung Lee, available on the App Store. It was first released on Sep 2, 2021.
- How is Dev Q rated?
- Dev Q has a 5.0-star average rating from 1 ratings on the United States App Store as of Oct 12, 2026.
- How much does Dev Q cost?
- Dev Q is free to download.
- Is Dev Q successful?
- MRRBeam rates the success of Dev Q 11/100 (early stage). The success score combines rating volume, chart position and average rating.
- When was Dev Q last updated?
- Dev Q was last updated on Aug 5, 2025 (version 1.7).
- What are alternatives to Dev Q?
- Similar Developer Tools apps tracked by MRRBeam include TestFlight, GitHub, Sekai: Create · Remix · Play, Replit: Vibe Code with AI Fast and NextVPN: Fast & Secure Proxy.
- Is there room to build a competitor to Dev Q?
- MRRBeam's opportunity score for Dev Q is 7/100. Limited opening: an older app, little observable demand and a strong 5.0★ rating.