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App Store Apps > Entertainment > Delta - Game Emulator
Delta - Game Emulator icon

Delta - Game Emulator

by Testut Tech · Entertainment · Free
On the App Store since April 2024 · Data updated 2026-10-18
App Store

Delta - Game Emulator is made and published by Testut Tech. AppBrain is an independent app data site and isn't affiliated with Testut Tech. The app name, icon, screenshots and description belong to Testut Tech and are shown as published on the App Store.

AppBrain's verdict

Loved by users
Rating on App Store
4.76
28,188 ratings
Last updated
November 11, 2025
Size
210.7 MB

Users love it: 4.8 stars from 28,188 ratings. Its best ranking is #67 in Top Free, Entertainment in Mexico.

User feedback

Ratings and reviews on the App Store

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Store listing

By Testut Tech, from the App Store
Delta - Game Emulator Screenshot 1 of 4
Delta - Game Emulator Screenshot 2 of 4
Delta - Game Emulator Screenshot 3 of 4
Delta - Game Emulator Screenshot 4 of 4
Screenshots by Testut Tech, from the the App Store listing
Description by Testut Tech Written by the developer, not by AppBrain. Click to read.
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.

FEATURES

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!

Online Multiplayer
• Play online-compatible Nintendo DS games with friends around the world!
• Connect via community Nintendo WFC servers
• Choose one of the default servers, or provide a custom DNS

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).

Cheats
• 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.

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

Delta Terms of Use: https://altstore.io/terms

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

Safety and technology

Found in the app by AppBrain
Price
Free
App size
210.7 MB
Content rating
Everyone

Technologies used by Delta - Game Emulator

Releases

Updates seen on the App Store
Version
1.7.3s
Launched
April 2024

No changelog data

Alternatives

Similar apps and more from Testut Tech

More from Testut Tech

Delta Legacy icon Delta Legacy
Testut Tech
3.2
Free
79 ratings

Rankings

App Store top charts
Highest rank
#67
Chart
Top Free
Entertainment
Country
Mexico

App Store Rankings for Delta - Game Emulator

Top rankings

Rank Country Category List
87 Canada Entertainment Top Free
67 Mexico Entertainment Top Free
95 South Korea Entertainment Top Free

Ranking history in Canada

About the app and developer

About Delta - Game Emulator

Delta - Game Emulator is an entertainment app developed by Testut Tech.

User Ratings

Delta - Game Emulator is rated 4.76 out of 5 stars. The rating is based on 28 thousand ratings.

App Information

Delta - Game Emulator is freely available from the App Store. The app size is 210.75 MB. The latest version available is 1.7.3s. The last update was on November 11, 2025.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since April 2024.

Developer information for Testut Tech

Testut Tech

Address:

Frequently asked questions about Delta - Game Emulator

Is Delta - Game Emulator free?

Yes. Delta - Game Emulator is free on the App Store.

Is Delta - Game Emulator still available?

Yes. Delta - Game Emulator is on the App Store, and the last update we saw was on November 11, 2025.

How large is Delta - Game Emulator?

Delta - Game Emulator is 210.75 MB.

Is Delta - Game Emulator suitable for children?

App Store rates the content of Delta - Game Emulator as suitable for everyone.

How do people rate Delta - Game Emulator?

Delta - Game Emulator scores 4.76 out of 5 stars, from 28,188 ratings on the App Store.

Who made Delta - Game Emulator?

Delta - Game Emulator was developed by Testut Tech. It is listed in the entertainment category on the App Store.

Share Delta - Game Emulator

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