ClassicBoy Pro vs Provenance

ClassicBoy Pro is an Android emulator for retro games, with a ROM scanner and game database. Its maker describes about twenty built-in emulation cores for systems including PlayStation, Nintendo 64, Game Boy, NES, Super NES, Sega systems, arcade games, and Atari 2600. External plugins extend support to systems such as Nintendo DS, MAME, Sega Saturn, and PC Engine/CD. The app can scan selected files or directories to identify games for a browsable library, where users can locate or favorite them. Controls include touchscreen buttons, external gamepads, customizable layouts, gestures, and accelerometer input; the maker lists gesture and sensor controls as premium features. Other listed tools include adjustable game speed, cheat codes, save and load states, and game-data import and export. Wireless controllers can connect over Bluetooth. The free version includes on-screen buttons and gamepad mapping. The app is listed for Android and Windows through Google Play Games, but the listing does not show in-app purchase prices. It does not include ROMs, and users must have the right to play each ROM.

Provenance is a free, open-source retro game emulator frontend for Apple platforms, available for iOS and macOS. It supports more than 38 console systems, including systems from Atari, Nintendo, Sega, and Sony. Its library can display automatically downloaded box art, screenshots, release details, ratings, and scanned manuals. Listed emulation features include save states, cheats, fast forward, shaders, visual filters, controller support, RetroAchievements, and multiplayer. Apple integration includes native tvOS, Apple TV TopShelf, Siri Remote, Spotlight search, Siri shortcuts, and iCloud sync; Apple TV supports MFi, Xbox, and PlayStation gamepads. Nearly all CD-based cores support CHD disc images, and the native Mednafen core has a custom CHD implementation. The source is published on GitHub under the BSD license. Installation options include the App Store, sideloading with AltStore or SideStore, and building from source. The free plan includes emulation features when sideloaded or built from source. Plus adds iCloud sync and priority support.