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Best Sphere Engine Alternatives in 2026

12 platforms from code playground software ranked against Sphere Engine on the same published basis.

  1. 1
    JDoodle Free plan AndroidapiextensioniOSWeb 7.4
    Sphere Engine vs JDoodle
  2. 2
    CodePen Free plan apiWeb $8/mo7.3
    Sphere Engine vs CodePen
  3. 3
    Google Colab Free plan apiextensionWeb 7.3
    Sphere Engine vs Google Colab
  4. 4
    JS Bin apiself-hostedWeb 7.3
    Sphere Engine vs JS Bin
  5. 5
    Val Town Free plan apiWeb $1.75/mo7.3
    Sphere Engine vs Val Town
  6. 6
    CodeHS Free plan AndroidiOSWeb 6.0
    Sphere Engine vs CodeHS
  7. 7
    OneCompiler Free plan AndroidWeb 6.0
    Sphere Engine vs OneCompiler
  8. 8
    Replit Free plan AndroidiOSLinuxMacWeb $18/mo6.0
    Sphere Engine vs Replit
  9. 9
    Observable Free plan self-hostedWeb $2,225/mo5.9
    Sphere Engine vs Observable
  10. 10
    Playcode Free plan AndroidiOSLinuxMacWeb $25/mo5.9
    Sphere Engine vs Playcode
  11. 11
    Web Maker Free plan extensionWeb $4/mo5.9
    Sphere Engine vs Web Maker
  12. 12
    CodePad Free plan iOSWeb Free5.8
    Sphere Engine vs CodePad
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