Top Developer Tools apps in South Korea 🇰🇷

iOSMay 21, 2026· Snapshot dated View all snapshotsMethodology

As of May 21, 2026, TestFlight is the #1 Developer Tools app in South Korea on iOS.

iOSAndroid
#App / PublisherIntel
  1. 1
  2. 2
  3. 3
  4. 4
  5. 52
  6. 621
  7. 71
  8. 8
  9. 94
  10. 104
  11. 111
  12. 122
  13. 13
  14. 143
  15. 156
  16. 1610
  17. 171
  18. 186
  19. 193
  20. 205
  21. 214
  22. 225
  23. 237
  24. 245
  25. 2511
  26. 265
  27. 275
  28. 288
  29. 2918
  30. 309
  31. 316
  32. 329
  33. 3312
  34. 341
  35. 3519
  36. 3628
  37. 3734
  38. 383
    Spider Proxy

    南京诸葛文化传媒有限公司

  39. 395
  40. 4012
  41. 413
  42. 42NEW
  43. 43NEW
  44. 446
  45. 451
  46. 467
  47. 479
  48. 4812
  49. 492
  50. 50NEW

What changed

Movement between the previous day and May 21, 2026.

Methodology

Rankings are pulled daily from the iOS store charts for South Korea. We snapshot the top entries each day and compute day-over-day change relative to the prior snapshot. See our full methodology for data sources, refresh cadences, and quality filters.

Frequently asked questions

What is the #1 Developer Tools app in South Korea on iOS?
As of May 21, 2026, TestFlight is the #1 Developer Tools app in South Korea on iOS, based on the public iOS chart rankings Marlvel tracks daily.
How often are these rankings updated?
Marlvel snapshots the iOS charts for South Korea every day and computes day-over-day movement. The "Current" page always reflects the latest snapshot; dated archive pages preserve each day's top 50.
Where does Marlvel's ranking data come from?
Rankings are pulled from the public iOS store charts for South Korea. See our methodology for data sources, refresh cadence, and the quality filters applied before a ranking is indexed.

Related rankings

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by the apps, publishers, or platforms referenced. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Data licensed under CC-BY-NC 4.0