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Best Kotlin Playground Alternatives in 2026

Updated

20 apps from coding playgrounds ranked against Kotlin Playground on the same published basis.

  1. 1
    Replit Free plan AndroidiOSLinuxMacWeb $18/mo8.4
    Kotlin Playground vs Replit
  2. 2
    GitHub Codespaces Free plan AndroidapiextensioniOSLinux $0.07/mo8.2
    Kotlin Playground vs GitHub Codespaces
  3. 3
    Playcode Free plan AndroidiOSLinuxMacWeb $25/mo8.1
    Kotlin Playground vs Playcode
  4. 4
    JupyterLab Free plan LinuxMacself-hostedWeb Free8.0
    Kotlin Playground vs JupyterLab
  5. 5
    Coder Free plan apiLinuxMacself-hostedWeb Free8.0
    Kotlin Playground vs Coder
  6. 6
    AWS Cloud9 Free plan LinuxWeb Free7.9
    Kotlin Playground vs AWS Cloud9
  7. 7
    Datalore Free plan apiLinuxself-hostedWeb 7.9
    Kotlin Playground vs Datalore
  8. 8
    Deepnote Free plan apiextensionLinuxMacself-hosted $3,920/mo7.9
    Kotlin Playground vs Deepnote
  9. 9
    CodePen Free plan apiWeb $8/mo7.8
    Kotlin Playground vs CodePen
  10. 10
    Google Colab Free plan apiextensionWeb 7.8
    Kotlin Playground vs Google Colab
  11. 11
    StackBlitz Free plan apiself-hostedWeb Free7.8
    Kotlin Playground vs StackBlitz
  12. 12
    RunCode.io AndroidextensioniOSLinuxMac 7.8
    Kotlin Playground vs RunCode.io
  13. 13
    Kaggle Notebooks Free plan apiWeb Free7.7
    Kotlin Playground vs Kaggle Notebooks
  14. 14
    Observable Free plan self-hostedWeb $2,225/mo7.7
    Kotlin Playground vs Observable
  15. 15
    Val Town Free plan apiWeb $21/mo7.7
    Kotlin Playground vs Val Town
  16. 16
    JDoodle Free plan AndroidapiextensioniOSWeb 7.7
    Kotlin Playground vs JDoodle
  17. 17
    JSFiddle Free plan apiWeb €8/mo7.6
    Kotlin Playground vs JSFiddle
  18. 18
    Lightning AI Studios Free plan apiWeb 7.6
    Kotlin Playground vs Lightning AI Studios
  19. 19
    Theia IDE Free plan extensionLinuxMacself-hostedWeb Free7.6
    Kotlin Playground vs Theia IDE
  20. 20
    Scratch Free plan AndroidMacWebWin $2.92/mo7.6
    Kotlin Playground vs Scratch

Kotlin Playground alternatives compared

#AppScoreFree planFromRuns on
1Replit8.4Free plan$18/moAndroid, iOS, Linux, Mac, Web, Windows
2GitHub Codespaces8.2Free plan$0.07/moAndroid, API, Browser, iOS, Linux, Mac, Web, Windows
3Playcode8.1Free plan$25/moAndroid, iOS, Linux, Mac, Web, Windows
4JupyterLab8.0Free planFreeLinux, Mac, self-hosted, Web
5Coder8.0Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
6AWS Cloud97.9Free planFreeLinux, Web
7Datalore7.9Free plan—API, Linux, self-hosted, Web
8Deepnote7.9Free plan$3,920/moAPI, Browser, Linux, Mac, self-hosted, Web, Windows
9CodePen7.8Free plan$8/moAPI, Web
10Google Colab7.8Free plan—API, Browser, Web
11StackBlitz7.8Free planFreeAPI, self-hosted, Web
12RunCode.io7.8No—Android, Browser, iOS, Linux, Mac, Web, Windows
13Kaggle Notebooks7.7Free planFreeAPI, Web
14Observable7.7Free plan$2,225/moself-hosted, Web
15Val Town7.7Free plan$21/moAPI, Web
16JDoodle7.7Free plan—Android, API, Browser, iOS, Web
17JSFiddle7.6Free plan€8/moAPI, Web
18Lightning AI Studios7.6Free plan—API, Web
19Theia IDE7.6Free planFreeBrowser, Linux, Mac, self-hosted, Web, Windows
20Scratch7.6Free plan$2.92/moAndroid, Mac, Web, Windows
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Questions about Kotlin Playground alternatives

What is the best alternative to Kotlin Playground?

Replit, number 1 in coding playgrounds with a score of 8.4 out of 10. The others here: GitHub Codespaces, Playcode, JupyterLab and 16 more.

What is the best free alternative to Kotlin Playground?

Replit is the best-ranked alternative with a free plan. 19 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.