ClassicBoy Pro vs Flycast

ClassicBoy Pro combines emulator cores with a game library for playing classic games on Android phones, tablets and TVs; Windows is also listed as a platform. Its ROM scanner checks selected files or directories, identifies games and adds them to the library. A gallery lets users browse, locate and favorite titles, while a database provides game information. Listed emulator cores include Dolphin, Citra, PPSSPP, FlyCast, PCSX-ReARMed/SwanStation and Mupen64Plus, among others. Controls support touchscreen buttons, external gamepads, customizable layouts, gestures and accelerometer mapping. Gameplay tools include adjustable speed, save and load states, data import and export, and cheat codes. The app does not include ROMs, and users must have the right to each ROM they play. The listing says no data is collected or shared with third parties. Permissions cover game-file access, vibration, audio reverb settings and Bluetooth controllers. The free plan is listed at free; Google Play also notes in-app purchases without showing their prices.

Flycast is a free emulator for Sega Dreamcast, Naomi, Naomi 2, and Atomiswave, derived from reicast. It runs on Android, Linux, macOS, and Windows, with releases available as stable tagged versions, master builds, and experimental nightly builds. Android users are directed to Google Play; Linux instructions cover Flatpak and Flathub, while macOS instructions use Homebrew. Windows documentation provides a bootstrap script for building from source. Xbox One and Series users can install a build through Xbox Device Portal. Flycast supports online play, with release notes describing modem-emulation improvements and fixes for online features in several games. Its DCNet service is a free dedicated VPN for Dreamcast games; 30 game servers were available when it was released. Physical Dreamcast controllers work with DreamConn+ and DreamPicoPort adapters. On Android, Google Auto Backup can back up VMU saves and non-volatile memory. The project lists GPL-2.0 as its license and says iOS support has been dropped.