Apache NuttX vs Ubuntu Touch
| Apache NuttX | Ubuntu Touch | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | — | Android |
| Free plan | Yes | Yes |
| Device types | Development boards and embedded devices; simulator targets are also documented | Phones, tablets, desktop PCs, Raspberry Pi, Pinebook |
| CPU architectures | ARM, ARM64, AVR, AVR32, 8051, CEVA, ESP32 Xtensa, Intel x86/x86_64, MIPS, m68k, RISC-V, SPARC, SuperH, TriCore, Xtensa, Z80 | — |
| Built-in management | Configurable build system; native board/architecture configuration; driver and power-management subsystems | OTA system updates; device installation via UBports Installer |
| App compatibility | POSIX/ANSI-oriented APIs; binary loader supports ELF and NXFLAT modules and built-in applications | OpenStore native apps; Waydroid Android apps; Libertine desktop Linux apps |
| Deployment models | Physical embedded boards/devices and simulator targets | Install on compatible physical devices; preinstalled devices; virtual development installation |
| Support lifecycle | — | Regular OTA updates; no fixed support duration stated |
Both are listed in Best Operating Systems. On Samsung Mobile US Press, Ubuntu Touch scores higher on our published basis.