Delta is an all-in-one emulator for iOS and iPadOS. Delta builds upon the strengths of its predecessor, GBA4iOS, while expanding to include support for more game systems such as NES, SNES, N64, and DS.


Supported Game Systems
• Nintendo Entertainment System
• Super Nintendo Entertainment System
• Nintendo 64
• Game Boy (Color)
• Game Boy Advance
• Nintendo DS
• And plenty more to come!

Controller Support
• Nintendo Switch Pro controllers, Joy-Cons
• Nintendo Switch Online controllers (NES, SNES, N64)
• PS4, PS5
• Xbox One S, Xbox Series X
• MFi game controllers
• Bluetooth & wired keyboards

Save States
• Save and load save states for any game from the pause menu.
• Lock save states to prevent them from being accidentally overwritten.
• Automatically makes backup save states to ensure you never lose your progress.
• Support for “Quick Saves,” save states that can be quickly saved/loaded with a single button press (requires external controller).

• Supports various types of cheat codes for each supported system:
• NES: Game Genie
• SNES: Game Genie, Pro Action Replay
• N64: GameShark
• GBC: Game Genie, GameShark
• GBA: Action Replay, Code Breaker, GameShark
• DS: Action Replay

Delta Sync
• Sync your games, game saves, save states, cheats, controller skins, and controller mappings between devices.
• View version histories of everything you sync and optionally restore them to earlier versions.
• Supports both Google Drive and Dropbox.

Custom Controller Skins
• Beautiful built-in controller skins for all systems.
• Import controller skins made by others, or even make your own to share with the world!

Hold Button
• Choose buttons for Delta to hold down on your behalf, freeing up your thumbs to press other buttons instead.
• Perfect for games that typically require one button be held down constantly (e.g. run button in Mario games, or the A button in Mario Kart).

Fast Forward
• Speed through slower parts of games by running the game much faster than normal.
• Easily enable or disable from the pause menu, or optionally with a mapped button on an external controller.

3D/Haptic Touch
• Use 3D or Haptic Touch to “peek” at games, save states, and cheat codes.
• App icon shortcuts allow quick access to your most recently played games, or optionally customize the shortcuts to always include certain games.

Game Artwork
• Automatically displays appropriate box art for imported games.
• Change a game’s artwork to anything you want, or select from the built-in game artwork database.

• Gyroscope support (WarioWare: Twisted! only)
• Microphone support (DS only)
• Support for delta:// URL scheme to jump directly into a specific game.

**Delta is in no way affiliated with Nintendo. The name "Nintendo" and all associated game console names are registered trademarks of Nintendo Co., Ltd.**

Release notes

**This update is incompatible with existing DS save states. Please save normally in-game before updating to avoid losing progress.**


App Icon
• Brand new legally-compliant app icon (thanks Caroline Moore!)
• Includes alternative app icons designed by community members:
• "Halogenide" by Sebastiaan de With
• "Ketchup" by Ben McCarthy
• "Microchip" by Sean Fletcher

iPad Support
• Play games full screen on iPad's beautiful display
• Brand new controller skins designed specifically for iPad (thanks Caroline Moore!)
• Supports multiple windows in Stage Manager and Split View
• Automatically pauses games when switching windows (optional)

• Seamlessly switch between iPhone and iPad
• Continues playing exactly where you left off
• Also supports Delta on Apple Silicon Macs via Mac App Store

melonDS 0.9.5
• Improves DS game compatibility & performance
• BIOS files are now optional!
• Supports "inserting" GBA games into DS dual-slot
• Increased Fast Forward speed to 3x (A15 processor or later)

Menu Button Gestures
• Use gestures while holding menu button to perform quick actions
• Menu + Horizontal Swipe: Fast Forward
• Menu + Any Button: Hold Button
• Menu + Double-Tap: Quick Save
• Menu + Long-Press: Quick Load

Experimental Features
• New section in Settings for features by third-party contributors
• Features are WIP and should be used at user’s discretion
• Available for Patrons on "Beta Access" tier or higher

Save States
• Sort save states by name
• View all incompatible screenshots on a separate screen
• Export save states to import into other emulators

"Display Full Screen" AirPlay Setting
• Control whether Delta shows games full screen on external displays
• Disable to use multiple windows on external display with Stage Manager

• Increased DS screen size for default edge-to-edge iPhone landscape skin


• Fixed exporting save file without file extension
• Fixed interface rotating when playing WarioWare: Twisted!
• Fixed Pokemon Black & White (2) freezing with C-Gear enabled


Entertainment >

Minimum OS version

iOS 14.0


Free ($0)

Download in Apple App Store