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{{Infobox emulator
{{Infobox emulator
|title = Delta
|title = Delta
|logo = delta-logo.png
|logo = Delta Emulator Logo.jpg
|logowidth = 140
|logowidth = 140
|version = {{Version|Delta}}
|version = {{Version|Delta}}
|active = Yes
|active = Yes
|platform = [[Emulators on iOS|iOS]]<br/>[[Emulators on tvOS|tvOS]]
|platform = [[Emulators on iOS|iOS]]
|target = [[Game Boy Advance emulators|GBA]]<br/>[[Game Boy/Game Boy Color emulators|GB/GBC]]<br/>[[Nintendo Entertainment System emulators|NES]]<br/>[[Super Nintendo emulators|SNES]]<br/>[[Nintendo 64 emulators|N64]]<br/>[[Nintendo DS emulators|DS]]  
|target = [[Game Boy Advance emulators|GBA]]<br/>[[Game Boy/Game Boy Color emulators|GB/GBC]]<br/>[[Nintendo Entertainment System emulators|NES]]<br/>[[Super Nintendo emulators|SNES]]<br/>[[Nintendo 64 emulators|N64]]<br/>[[Nintendo DS emulators|DS]]<br/>[[Sega Genesis emulators|Genesis]]
|developer = [https://github.com/rileytestut Riley Testut] and Caroline Moore
|developer = [https://github.com/rileytestut Riley Testut] and Shane Gill
|accuracy = ?
|accuracy = ?
|prog-lang = {{Proglang|Swift}}
|prog-lang = {{Proglang|Swift}}
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|license = {{License|AGPLv3}}
|license = {{License|AGPLv3}}
|support = [https://www.patreon.com/rileytestut Patreon]
|support = [https://www.patreon.com/rileytestut Patreon]
|issuetracker = [https://github.com/rileytestut/Delta/issues GitHub]
|source = [https://github.com/rileytestut/Delta GitHub]
|source = [https://github.com/rileytestut/Delta GitHub]
}}
}}
'''Delta''' is an [[Multi-system_emulators|multi-system emulator]] for [[Emulators on iOS|iOS]] and [[Emulators on tvOS|tvOS]] that currently supports NES ([[Nestopia]]), SNES ([[Snes9x]]), N64 ([[Mupen64Plus]]), GBC ([[Gambatte]]), GBA ([[VisualBoyAdvance-M]]), and DS ([[melonDS]]) emulation. Sega Genesis ([[Genesis Plus GX]]) support is in beta. <ref>https://github.com/rileytestut/Delta/blob/main/README.md</ref>
'''Delta''' is an [[Multi-system_emulators|multi-system emulator]] for [[Emulators on iOS|iOS]] that currently supports NES ([[Nestopia]]), SNES ([[Snes9x]]), N64 ([[Mupen64Plus]]), GBC ([[Gambatte]]), GBA ([[VisualBoyAdvance-M]]), and DS ([[melonDS]]) emulation. Sega Genesis ([[Genesis Plus GX]]) support is in beta. <ref>https://github.com/rileytestut/Delta/blob/main/README.md</ref>


==Download==
==Download==
{| cellpadding="4"
{| cellpadding="4"
|-
|-
|align=center|{{Icon|iOS}}
|align=center|{{Icon|iOS|iPadOS}}
|[https://apps.apple.com/us/app/delta-game-emulator/id1048524688 App Store] or [https://altstore.io/ AltStore] -<small>[https://www.reddit.com/r/Delta_Emulator/wiki/guide Installation Guide]</small>
|[https://apps.apple.com/us/app/delta-game-emulator/id1048524688 App Store] or [https://altstore.io/ AltStore PAL] (EU)
|}
|}


==Overview==
==Overview==
Delta is the successor to a popular GBA emulator, GBA4iOS, made by the same developer and started development back in March of 2015. Similar to RetroArch, it uses a core based approach with each system running of its own core, however it is not Libretro-based and uses its own system to link into these cores. So far, only the NES, SNES, N64, GB(C), GBA and NDS systems are supported. Support for Sega Genesis emulation is planned for public release with initial support added in a beta release (1.3b4). As of public release 1.5, it has not been added to the public version.
Delta is the successor to a popular GBA emulator, GBA4iOS, made by the same developer and started development back in March of 2015. Similarly to RetroArch, it uses a core-based approach with each system running off its own core, however it is not libretro-based and uses its own system to link into these cores. RetroAchievement support is in a beta phase for select cores (NES, SNES, N64), and all cores are planned in the future.
===Supported systems===
So far, only the NES, SNES, N64, GB(C), GBA and NDS systems are supported. Support for Sega Genesis emulation is planned for public release (1.8) with initial support added in a beta release (1.3b4).
[https://faq.deltaemulator.com/about/press-kit#supported-systems See here]


==Issues==
==Issues==
<s>Due to Apple's unique philosophy on what is allowed to be on the App Store and limiting the ability to install third-party applications, installing the app can be a little bit complicated.  Luckily there are multiple ways of installing and you can even do it without needing to jailbreak your phone, such as the developer's App Store alternative, AltStore.</s> This is no longer neccesary as Apple has changed their App Store guidelines to allow emulators and have since approved Delta for App Store release, although it is still offered on the AltStore. In the European Union, sideloading is the only way to use Delta.<ref>https://www.macrumors.com/2024/04/17/altstore-eu-alternative-app-marketplace/</ref>
In the European Union, sideloading is the only way to use Delta.<ref>https://www.macrumors.com/2024/04/17/altstore-eu-alternative-app-marketplace/</ref>


Most of the systems have high compatibility, with the exceptions of DS emulation. N64 emulation suffers from a bug which replaces certain textures and sprites with solid black rectangles. DS emulation can run slower and has lower compatibility, and can sometimes crash; turning off low power mode can help. All systems also can have sound problems, ranging from slight crackling to latency of a few seconds.
People have had issues with ROM hacks where some refuse to boot, and others run improperly.


People have had issues with ROM hacks where some refuse to boot, and others run improperly.
Delta's [[RetroAchievements]] support is problematic due to paywalling the feature, which led to the decision to [https://retroachievements.org/forums/topic/31930 delist Delta and disable hardcore support on 12 September 2025].


==See also==
==See also==
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==References==
==References==
{{reflist}}
{{reflist}}
{{Nintendo DS emulators}}


[[Category:Emulators]]
[[Category:Emulators]]
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[[Category:Famicom (NES) emulators]]
[[Category:Famicom (NES) emulators]]
[[Category:Super Nintendo emulators]]
[[Category:Super Nintendo emulators]]
[[Category:Sega Genesis emulators]]
[[Category:Multi-emulators]]
[[Category:Multi-emulators]]
[[Category:Console emulators]]
[[Category:Console emulators]]
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[[Category:Handheld console emulators]]
[[Category:Handheld console emulators]]
[[Category:IOS emulation software]]
[[Category:IOS emulation software]]
[[Category:TvOS emulation software]]
[[Category:Active emulation software]]

Latest revision as of 05:13, 21 February 2026

Delta
Developer(s) Riley Testut and Shane Gill
Latest version 1.7.3s [+]
Active Yes
Platform(s) iOS
Emulates GBA
GB/GBC
NES
SNES
N64
DS
Genesis
Accuracy ?
Website deltaemulator.com
Support ($) Patreon
Programmed in Swift
License AGPLv3
Source code GitHub
Issue tracker GitHub

Delta is an multi-system emulator for iOS that currently supports NES (Nestopia), SNES (Snes9x), N64 (Mupen64Plus), GBC (Gambatte), GBA (VisualBoyAdvance-M), and DS (melonDS) emulation. Sega Genesis (Genesis Plus GX) support is in beta. [1]

Download

[edit | edit source]
iOS iPadOS App Store or AltStore PAL (EU)

Overview

[edit | edit source]

Delta is the successor to a popular GBA emulator, GBA4iOS, made by the same developer and started development back in March of 2015. Similarly to RetroArch, it uses a core-based approach with each system running off its own core, however it is not libretro-based and uses its own system to link into these cores. RetroAchievement support is in a beta phase for select cores (NES, SNES, N64), and all cores are planned in the future.

Supported systems

[edit | edit source]

So far, only the NES, SNES, N64, GB(C), GBA and NDS systems are supported. Support for Sega Genesis emulation is planned for public release (1.8) with initial support added in a beta release (1.3b4). See here

Issues

[edit | edit source]

In the European Union, sideloading is the only way to use Delta.[2]

People have had issues with ROM hacks where some refuse to boot, and others run improperly.

Delta's RetroAchievements support is problematic due to paywalling the feature, which led to the decision to delist Delta and disable hardcore support on 12 September 2025.

See also

[edit | edit source]

References

[edit | edit source]
  1. ↑ https://github.com/rileytestut/Delta/blob/main/README.md
  2. ↑ https://www.macrumors.com/2024/04/17/altstore-eu-alternative-app-marketplace/
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