What users hate. Clustered.

1- and 2-star reviews fed into NVIDIA NIM gpt-oss-120b, grouped into themes with verbatim examples. Each cluster is a wedge a competitor could exploit.

• Crashes frequently during use

  App crashes repeatedly, especially when handling files or during coding sessions.

  4

  reviews
  • “Crash — Its crashing again and again andagain not even able to tolerate 4mb file”
  • “Crash — We really love Koder app but it get automatically crashed while programming. I notice many time.”
  • “Not helpful — It does not allow to open complete java directory to navigate the files”
• Missing or non-functional language support

  Support for Python, PHP, Ruby, and other languages is either missing or doesn't work as advertised.

  3

  reviews
  • “Python and php — It is not accessible for python and php coding”
  • “Other languages are not supported — In the description it is given that puthon,c,ruby etc are supported but after running the code I am getting the same code as output.”
  • “Code Run — It’s the worst app for iPad code don’t run on it”
• File navigation and directory access limitations

  Users cannot access or navigate full directories, particularly Java folders, limiting usability.

  2

  reviews
  • “Not helpful — It does not allow to open complete java directory to navigate the files”
  • “This all — Not working”
• Editor state not preserved after switching apps

  The editor fails to remember the last line number or cursor position after switching back from another app.

  1

  reviews
  • “Editing issues - Does not remember line number — While i am editing the config files either via sftp or locally on my IPAD, when I switch the window to another using cmd+tab to copy some value and when I come back to the editor. If I was on line 556 then the editor would again reset to be”
• Core features missing or broken

  Key features like code execution, file editing, and project management are either absent or malfunctioning.

  2

  reviews
  • “App is literally broken — Lot of features missing as well.”
  • “Code Run — It’s the worst app for iPad code don’t run on it”