Best RunJS Alternatives in 2026
Updated
20 apps from code playground software ranked against RunJS on the same published basis.
- 1RunJS vs Playcode
- 2RunJS vs Replit
- 3RunJS vs CodeHS
- 4RunJS vs JDoodle
- 5RunJS vs Scratch
- 6RunJS vs OneCompiler
- 7RunJS vs CodePad
- 8RunJS vs CodePen
- 9RunJS vs Google Colab
- 10RunJS vs JSFiddle
- 11RunJS vs Observable
- 12RunJS vs StackBlitz
- 13RunJS vs Val Town
- 14RunJS vs Web Maker
- 15RunJS vs Cloudflare Workers Playground
- 16RunJS vs Paiza.IO
- 17RunJS vs NextLeet Playground
- 18RunJS vs CodeSandbox
- 20RunJS vs JS Bin
- 21RunJS vs Compillo
RunJS alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Playcode | 6.8 | Free plan | $25/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | Replit | 6.8 | Free plan | $18/mo | Android, iOS, Linux, Mac, Web, Windows |
| 3 | CodeHS | 6.6 | Free plan | — | Android, iOS, Web |
| 4 | JDoodle | 6.6 | Free plan | — | Android, API, Browser, iOS, Web |
| 5 | Scratch | 6.6 | Free plan | $2.92/mo | Android, Mac, Web, Windows |
| 6 | OneCompiler | 6.5 | Free plan | — | Android, Web |
| 7 | CodePad | 6.4 | Free plan | Free | iOS, Web |
| 8 | CodePen | 6.4 | Free plan | $8/mo | API, Web |
| 9 | Google Colab | 6.4 | Free plan | — | API, Browser, Web |
| 10 | JSFiddle | 6.4 | Free plan | €8/mo | API, Web |
| 11 | Observable | 6.4 | Free plan | $2,225/mo | self-hosted, Web |
| 12 | StackBlitz | 6.4 | Free plan | Free | API, self-hosted, Web |
| 13 | Val Town | 6.4 | Free plan | $21/mo | API, Web |
| 14 | Web Maker | 6.4 | Free plan | $4/mo | Browser, Web |
| 15 | Cloudflare Workers Playground | 6.3 | Free plan | Free | Web |
| 16 | Paiza.IO | 6.2 | Free plan | Free | Web |
| 17 | NextLeet Playground | 6.1 | Free plan | Free | — |
| 18 | CodeSandbox | 5.5 | No | — | Web, iOS |
| 20 | JS Bin | 5.4 | No | — | API, self-hosted, Web |
| 21 | Compillo | 5.3 | No | — | Web |
Make your app an alternative to RunJS
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about RunJS alternatives
What is the best alternative to RunJS?
Playcode, number 1 in code playground software with a score of 6.8 out of 10. The others here: Replit, CodeHS, JDoodle and 16 more.
What is the best free alternative to RunJS?
Playcode is the best-ranked alternative with a free plan. 17 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.