Codename One
8.4#1 in mobile development idesFrom $25 a monthFree planAndroidiOSWebAPI
VisitCodename One vs Felgo
What both publish
| Fact | Codename One | Felgo |
|---|---|---|
| API surface | Documented APIs include advertising, analytics, AI inference, language, vision, push, security and many platform integrations. | The SDK extends Qt with more than 200 Felgo APIs and development tools. |
| Company legal name | The official site footer identifies the maker as Codename One LTD. | The product and associated services are provided by FELGO GmbH. |
| Documentation depth | The Developer Guide covers getting started, UI, data, networking, server-side work, platform services, AI, security, monetization, testing, shipping and platform guides. | Documentation includes installation, deployment, API references, tutorials, examples, native integration, plugins, networking, storage, maps, sensors, AR, machine learning and accessibility. |
| Integrations | The documented sign-in stack covers OpenID Connect, Sign in with Apple, Google, Facebook, Microsoft Entra ID, Auth0, and Firebase Authentication. | Official plugins cover AdMob, Amplitude, Apple Sign In, Chartboost, Facebook, Firebase, Flurry, Game Center, OneSignal, OAuth 2.0 and other services. |
| Product | Codename One is an open-source cross-platform framework for Java and Kotlin developers to build native apps from a shared codebase. | Felgo is a native cross-platform application development SDK based on Qt for building apps, games and embedded applications. |
| Rating on G2 | 4.4 out of 5 from 5 reviews | 4.4 out of 5 from 21 reviews |
Codename One plans
- FreeFree
- Basic$25 a month
- Pro$85 a month
- Enterprise$450 a month
Felgo plans
- Startup€79 a month
- Business€245 a month
- PersonalFree
- Indie$79 a month
- EnterprisePriced on request
Pick Codename One if…
It suits Java or Kotlin developers who want to build apps for mobile, desktop, and web targets from a shared codebase. Its free tier may suit projects that can work within the stated build-credit and JAR limits.
Pick Felgo if…
Felgo suits developers building cross-platform apps, casual 2D games or embedded applications with Qt-based tools. Its plans distinguish between turnover limits and include different levels of support.