Top Developer Tools apps in United Kingdom 🇬🇧

iOSMay 19, 2026· Snapshot dated View all snapshotsMethodology

As of May 19, 2026, TestFlight is the #1 Developer Tools app in United Kingdom on iOS.

iOSAndroid
#App / PublisherIntel
  1. 1
  2. 21
  3. 31
  4. 4
  5. 5
  6. 65
  7. 71
  8. 81
  9. 91
  10. 101
  11. 112
  12. 122
  13. 134
  14. 14
  15. 156
  16. 161
  17. 171
  18. 181
  19. 191
  20. 20
  21. 211
  22. 223
  23. 236
  24. 2412
  25. 255
  26. 262
  27. 271
  28. 283
  29. 294
  30. 3015
  31. 3142
  32. 329
  33. 335
  34. 342
  35. 353
  36. 369
  37. 373
  38. 3812
  39. 393
  40. 408
  41. 4113
  42. 424
  43. 433
  44. 44
  45. 4521
  46. 4610
  47. 4735
  48. 4822
  49. 492
  50. 5010

What changed

Movement between the previous day and May 19, 2026.

Methodology

Rankings are pulled daily from the iOS store charts for United Kingdom. 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 United Kingdom on iOS?
As of May 19, 2026, TestFlight is the #1 Developer Tools app in United Kingdom on iOS, based on the public iOS chart rankings Marlvel tracks daily.
How often are these rankings updated?
Marlvel snapshots the iOS charts for United Kingdom 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 United Kingdom. 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