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SPECIFICTION
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Folium

github.com

iOS
Visit github.com
Spec score 7.3 #10 of 14 in Nintendo 3DS Emulators

What it is

Folium is a paid iPhone and iPad application for emulating retro consoles and handheld systems. Listed systems include WonderSwan, WonderSwan Color, ColecoVision, Nintendo 3DS and DS, Game Boy, Game Boy Advance, Game Boy Color, NES, SNES, Genesis, Mega Drive, and PlayStation 1. The app supports save states, cheats, system software, and online multiplayer; update notes describe Nintendo Wi-Fi Connection play through custom servers. Users can import custom artwork and game or system files, but must provide those games and files themselves. Supported controllers include Backbone One, Nintendo Switch Joy-Con and Pro Controller, PlayStation DualSense and DualShock 4, and Xbox Series S and X controllers. Folium requires iOS 16.0 or later on iPhone and iPadOS 16.0 or later on iPad. Emulation may be slow on older devices depending on the emulated system. The listed plan costs $2.99 as a one-time purchase, with an Extra Features in-app purchase for $1.99.

Spec sheet

Purpose
Folium is a multi-system emulation app for retro console and handheld gaming on Apple devices.Read 3 Oct 2026 · github.com
Privacy
The developer indicates that the app does not collect data; Apple says this developer-provided privacy information has not been verified by Apple.Read 3 Oct 2026 · apps.apple.com
Maker
The App Store identifies Jarrod Norwell as the developer and seller.Read 3 Oct 2026 · apps.apple.com
Accessibility
The listing identifies a dark interface as a supported accessibility feature.Read 3 Oct 2026 · apps.apple.com
Controllers
Listed supported controllers include Backbone One, Nintendo Switch Joy-Con and Pro Controller, PlayStation DualSense and DualShock 4, and Xbox Series S and X controllers.Read 3 Oct 2026 · apps.apple.com
Device requirements
The listing requires iOS 16.0 or later on iPhone and iPadOS 16.0 or later on iPad.Read 3 Oct 2026 · apps.apple.com
Extra purchase
The listing shows an in-app purchase named Extra Features for $1.99.Read 3 Oct 2026 · apps.apple.com
Multiplayer
Update notes describe Nintendo Wi-Fi Connection support for online multiplayer using custom servers.Read 3 Oct 2026 · apps.apple.com
Organization location
The Folium GitHub organization profile lists Australia.Read 3 Oct 2026 · github.com
Performance limitation
The listing says emulation may be slow on older devices depending on the emulated console or handheld.Read 3 Oct 2026 · apps.apple.com
Recent features
The listing’s update notes describe importing custom artwork, game and system file import controls, and save-state and in-game saving support for the Grape core.Read 3 Oct 2026 · apps.apple.com
Support channel
The listing’s update notes ask users to add issues to the Folium GitHub repository.Read 3 Oct 2026 · apps.apple.com
Supported systems
The listing names WonderSwan, WonderSwan Color, ColecoVision, Nintendo 3DS, DS, Game Boy, Game Boy Advance, Game Boy Color, NES, SNES, Genesis, Mega Drive, and PlayStation 1.Read 3 Oct 2026 · apps.apple.com
User supplied files
Folium does not provide games or system files; users must provide them.Read 3 Oct 2026 · apps.apple.com

Plans and prices

Folium $2.99, paid once iPhone and iPad · Requires iOS 16.0 or later / iPadOS 16.0 or later Read 3 Oct 2026 · apps.apple.com

Every Folium plan and price →

Strong points and limits

Strong points

  • Supports many retro systems
  • Save states and cheat support
  • Online multiplayer listed
  • Broad controller support
  • Custom artwork and file importing

Limits

  • No free plan
  • Users must supply games and system files
  • Requires iOS 16 or iPadOS 16
  • May be slow on older devices

Who it suits

Folium suits iPhone and iPad users who want multiple retro systems in one emulator. It is intended for users able to supply their own game and system files.

Verdict

Folium combines emulation for a broad set of listed consoles and handhelds with save states, cheats, controller support, and online multiplayer. The $2.99, paid once plan and separate $1.99 purchase come with current-device requirements and user-supplied files.

Where Specifiction places it

Alternatives to FoliumAll alternatives →