GBA.emu is described as 'Advanced open source Gameboy Advance emulator' and is an app in the Gaming Software category. There are six alternatives to GBA.emu for a variety of platforms, including Windows, Android, Mac, Xbox and Linux. The best alternative is RetroArch, which is both free and Open Source. Other great apps like GBA.emu are Nostlan (Free, Open Source), RetriX (Free, Open Source), My Boy! (Freemium) and RetroX (Freemium).
What is RetroArch? RetroArch is a modular multi-system emulator system that is designed to be fast, lightweight, and portable. It has features lacking in some emulators frontends, such as real-time rewinding and game-aware shading. What systems does it play?
A front-end or user interface (UI) is the presentation and interaction layer of an app or website. Most modern emulator apps have basic game list UIs that you can interact with using a mouse/keyboard but not a game controller.
RetriX is an emulator front end for UWP, on all the hardware platforms it supports: it serves the same purpose as RetroArch but is built from the ground up to integrate as well as possible with Windows.
My Boy! is an emulator to run GameBoy Advance games on the broadest range of Android devices, from very low-end phones to modern tablets. It emulates nearly all aspects of the real hardware correctly. Highlights: - Fastest emulation, therefore saves your battery to the MAX.
Jailbreak-free Game Boy and Game Boy Color emulator for iPhone and iPad. Game Play COLOR is an open-source, browser-based emulator that lets you run games from Google Drive for a jailbreak-free way of running GBA games on iOS.