Hands-On With the New App Store Delta Game Emulator

A decade ago, developer Riley Testut released the GBA4iOS emulator for iOS, and since it was against the rules at the time, Apple put a stop to downloads. Emulators have been a violation of the App Store rules for years, but that changed on April 5 when Apple suddenly reversed course and said that it was allowing retro game emulators on the ‌App Store‌.


With official support available for emulators, Testut this morning released his latest emulator, Delta, on the ‌App Store‌. Unlike the other two emulators that have been released in the last week, Delta is incredibly polished and provides an all-around pleasant gameplay experience.

Delta supports game systems that include the NES, SNES, Nintendo 64, Game Boy Color, Game Boy Advance, and Nintendo DS. Skins for the different systems load automatically depending on what's being played, and the app does an excellent job making you feel like you're playing on a retro Nintendo device.

It is worth noting that Delta is such a great emulator because it is not, in fact, new. It has been able to be installed on iPhone using alternate installation means, but the ‌App Store‌ is a much more streamlined way to get it. Delta is the must have emulator, at least for NES content.

Delta's on-screen controls work flawlessly for games, but it is also compatible with a wide range of retro and modern game controllers. It supports save and load states, and content can be synced between devices. There are also advanced features like support for Game Genie and GameShark cheat codes, a hold button, and fast forward for speeding through slow parts of games.

When you import a game, Delta automatically detects the appropriate box art, and there is support for 3D Touch and app icon shortcuts for accessing recent and favorite games.

There are no games included with Delta when you install it, but it can open zipped files that are uploaded to iCloud Drive, Dropbox, or Google Drive. Apple's ‌App Store‌ rules permit "retro game console emulator apps" and Apple says that developers are required to ensure that their software complies with "all applicable laws."

If you haven't downloaded Delta already, it's well worth going to pick it up. We're not expecting Delta to get pulled from the ‌App Store‌, but there's always the possibility that Nintendo could protest now that it's more widely available, so download it sooner rather than later.

Popular Stories

Apple Announces Special Event in New York Feature

Apple Announces Special Event in New York, London, and Shanghai on March 4

Monday February 16, 2026 6:05 am PST by
Apple today announced a "special Apple Experience" in New York, London, and Shanghai, taking place on March 4, 2026 at 9:00am ET. Apple invited select members of the media to the event in three major cities around the world. It is simply described as a "special Apple Experience," and there is no further information about what it may entail. The invitation features a 3D Apple logo design...
iphone 16 apple intelligence

Apple Aiming to Release 'Breakthrough' New iPhone Accessory

Wednesday February 18, 2026 12:43 pm PST by
Apple is looking for a "breakthrough" with its push into wearable AI devices, including an "AirTag-sized pendant," according to Bloomberg's Mark Gurman. In a report this week, he said the pendant is reminiscent of the failed Humane AI Pin, but it would be an iPhone accessory rather than a standalone product. The pendant would feature an "always-on" camera and a microphone for Siri voice...
CarPlay Liquid Glass Dark

iOS 26.4's New CarPlay Video Feature Shown in Action

Wednesday February 18, 2026 9:29 am PST by
Back at WWDC 2025, Apple revealed that it was planning to allow CarPlay users to watch video via AirPlay in their vehicles while they are not driving, and the first beta of iOS 26.4 suggests the feature may be nearing availability. There are several new references to CarPlay video streaming functionality within the iOS 26.4 beta's source code. The feature is not yet visible to users, but...
iphone 17 pro green

iPhone 17 Pro Max Curiously Becomes Most Traded-In Smartphone

Wednesday February 18, 2026 9:13 am PST by
New trade-in data indicates that Apple's iPhone 17 Pro Max has rapidly become the single most traded-in smartphone. According to a new report from SellCell, Apple's latest flagship iPhone has quickly risen to the top of the independent trade-in market, accounting for 11.5% of all devices appearing in the top-20 trade-in rankings just months after release. The analysis is based on SellCell...
Apple Announces Special Event in New York Feature 1

Apple Event on March 4: Here's What to Expect

Tuesday February 17, 2026 8:08 am PST by
Apple on Monday invited selected journalists and content creators to a "special Apple Experience" on Wednesday, March 4 in New York, London, and Shanghai. At an Apple Experience, attendees are typically given the opportunity to try out Apple's latest hardware or software. Following the launch of Apple Creator Studio last month, for example, some content creators attended an Apple Experience...

Top Rated Comments

kiensoy Avatar
24 months ago
Delta Emulator alone is much better than the entire Apple Arcade library.
Score: 66 Votes (Like | Disagree)
Blackstick Avatar
24 months ago

Delta Emulator alone is much better than the entire Apple Arcade library.
My wife: "I'm a simple woman, just the OG GameBoy version of Tetris with no IAP crap, please."
Score: 25 Votes (Like | Disagree)
Blackstick Avatar
24 months ago
Productivity is going down today...

Attachment Image
Score: 22 Votes (Like | Disagree)
24 months ago
Where do you get roms?
Score: 15 Votes (Like | Disagree)
zorinlynx Avatar
24 months ago

My wife: "I'm a simple woman, just the OG GameBoy version of Tetris with no IAP crap, please."
We are kindred spirits. Original Gameboy Tetris is the best version. End of discussion.

I already installed it, and now I finally have proper Tetris on my phone that I can play anywhere.
Score: 15 Votes (Like | Disagree)
24 months ago
Real talk, in the mobile space, emulation is typically the closest you're gonna get to an engaging traditional game experience.

Apple's kind of burned traditional gaming down to the ground since day one, when they decided games shouldn't be more than a dollar and basically made it impossible to ever find a good game.

That 100% of their RE Framework games have been bought and paid for by Apple, and that Capcom has ported literally 0 other games on the same framework to iOS, really speaks volumes.
Score: 14 Votes (Like | Disagree)