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SPECIFICTION
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B4i vs Codename One

B4i

b4x.com

Codename One

codenameone.com

Side by side

FigureB4iCodename One
Price from$2.17/mo$25/mo
Free plan—Yes
Free trial—Yes
Open source—Yes
Web—Yes
WindowsYesYes
macOSYesYes
Linux—Yes
iOSYesYes
Android—Yes
API—Yes
Self-hosted—Yes
Plans published58
Spec score · Mobile Development IDEs7.9 (#22)9.3 (#1)
SupportThe maker directs technical questions to its forum and says it answers presales and general support email within 24 hours.The Free plan includes community support, Pro includes email support, and Enterprise includes phone support during office hours.

Plans

B4i

  • Hosted Mac Builder$26 a year
  • B4i Standard$59, paid once
  • B4i Standard + Hosted Builder$85, paid once
  • B4i Enterprise$119, paid once
  • B4i Enterprise + Hosted Builder$145, paid once

B4i pricing →

Codename One

  • FreeFree
  • FreeFree
  • Basic$25 a month
  • Pro$85 a month
  • Basic$300 a year
  • Enterprise$450 a month
  • Pro$1,020 a year
  • Enterprise$5,400 a year

Codename One pricing →

In their own words

B4i

B4i has no write-up on Specifiction yet; its figures are above.

Visit b4x.com

Codename One

Codename One is an open-source framework for Java and Kotlin developers building apps from one codebase for Android, iOS, macOS, Linux, Windows, and web browsers. Its toolkit renders its own interface components and bundles the runtime and theme with each app. Developers can access platform SDKs through native interfaces and embed heavyweight views, including maps, web views, and camera surfaces. Projects use Maven and work in Maven-capable IDEs such as IntelliJ IDEA, NetBeans, Eclipse, and VS Code. The documented security tools include secure storage, encryption, certificate pinning, device integrity checks, and cryptographic APIs; App Shield adds short-lived attestation tokens on Enterprise. The Free plan provides 100 cloud build credits monthly, with iOS builds using eight credits, and an 8.5 MB user JAR limit. Commercial use carries no royalties or per-app fees. Pricing lists a free plan, paid plans from $25/user/mo billed annually, and a 14-day trial. Platforms also list watchOS and tvOS among mobile targets.

Visit codenameone.com