Dev Q
개발의정석
Dev Q is #58 in Developer Tools Free in South Korea and charting in 1 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
Developerjaesung Lee
CategoryDeveloper Tools
PriceFree
Released
Rating★ 4.9 (29)
Version1.7
Age rating4+
First seen by us
25 Sep 2026
25 Sep 2026Installs (est.)1k+ worldwide
Rating
4.9 ★
29 ratings
Measured
Best rank now
#58
Developer Tools FreeMeasured
Dev Q on the App Store
App details
App ID
1571533603
Publisher
jaesung Lee
Minimum OS
iOS 16.6+
Content rating
4+
Languages
12
BN EN FR DE HI JA KO MS ZH ES ZH VI
Size
19 MB
Dev Q downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| South Korea | Developer ToolsFree | #58 |
Apps near Dev Q on the chart
Developer Tools Free, around #58.
Ratings
App Store, worldwide.
Rating
4.9 ★
29 ratings
Measured
Ratings
29
Measured
About Dev Q
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.
• Curated questions & clear answers
• Covers CS, iOS, aOS, and Frontend
• Weekly updates to keep content fresh
• Perfect for commute, breaks, and pre-interview reviews
Ace your next interview — with Dev Q.
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.
• Curated questions & clear answers
• Covers CS, iOS, aOS, and Frontend
• Weekly updates to keep content fresh
• Perfect for commute, breaks, and pre-interview reviews
Ace your next interview — with Dev Q.
Latest updates
1.7
Bookmark feature supported.
