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iDOS 3

iDOS 3 runs DOS-compatible software, including classic games, on iPhone and iPad, and can also support word processing and casual programming.

Place
#18 of 26
Score
5.9
iDOS 3's website

What iDOS 3 is

iDOS 3 runs DOS-compatible software, including classic games, on iPhone and iPad, and can also support word processing and casual programming. The maker bases it on DOSBox 0.74-3. A PC-compatible on-screen keyboard provides layouts for different devices and orientations. Bluetooth keyboards and mice work on iOS 14 or later, and external Bluetooth game controllers are supported. Its virtual gamepad offers customizable key bindings, with a D-pad that can switch to joystick mode. Audio features include MT-32 emulation, MIDI sound fonts, and cue-sheet CD images with OGG, MP3, or FLAC tracks. Version 3.3 adds speed adjustment through the cycles window and support for a Documentation folder in game packages. The project is open source under GPLv2. iDOS 3 costs $4.99, paid once and has no free plan. It supports iOS, iPadOS, and macOS; iPhone and iPad require version 15 or later, while Mac compatibility requires macOS 12 or later on an Apple M1 chip or later.

Good

  • Runs DOS-compatible games and applications
  • Customizable virtual gamepad controls
  • Bluetooth keyboards, mice, and controllers supported
  • MT-32, MIDI, and cue-sheet audio options
  • Open source under GPLv2

Watch out

  • No free plan is available
  • Apple platform version requirements apply
  • Mac support requires an Apple M1 chip or later
  • Private builds require Patreon and device UDID

Who it suits

It suits users wanting DOS games or DOS-compatible applications on Apple devices. Players who use controllers, external keyboards, or cue-sheet audio have matching listed support.

Verdict

iDOS 3 combines DOS emulation, flexible controls, and varied legacy audio support on Apple platforms. Confirm your operating-system and Mac hardware requirements before buying.

Plans and prices

From iDOS 3's own pricing page, checked 7 Oct 2026.

All about pricing
PlanPriceWhat it gives you
iDOS 3$4.99, paid onceiPhone and iPad app · Requires iOS 15.0 or later

The facts

Each one read from iDOS 3's own pages, with the date it was checked.

What it does

Audio
The listing names MT-32 emulation, MIDI sound fonts, and cue sheet CD images with compressed OGG, MP3, or FLAC audio tracks.checked 7 Oct 2026
Emulator
The maker describes iDOS as based on DOSBox version 0.74-3.checked 7 Oct 2026
External input
The listing says Bluetooth keyboards and mice are supported on iOS 14 or later, and external Bluetooth game controllers are supported.checked 7 Oct 2026
Game controls
Its virtual gamepad has customizable key bindings, and its D-pad can be switched to joystick mode.checked 7 Oct 2026
On-screen keyboard
It provides a PC-compatible on-screen keyboard with layouts for different devices and orientations.checked 7 Oct 2026
Open source
The maker links the project as open source, and its GitHub README says the source code is released under GPLv2.checked 7 Oct 2026
Privacy
The App Store listing reports that the developer indicated the app does not collect data, and says that information has not been verified by Apple.checked 7 Oct 2026
Private builds
The maker says Patreon supporters can receive private device builds that last one year and require the device UDID.checked 7 Oct 2026
Purpose
iDOS 3 runs classic DOS games on iPhone and iPad, and can also be used for word processing and casual programming.checked 7 Oct 2026
Recent features
Version 3.3 supports adjusting speed by tapping the cycles window and supports a Documentation folder in a game package.checked 7 Oct 2026
Support
The maker directs bug reports to the GitHub project or @litchiedev on Twitter; the App Store listing also provides [email protected] for support.checked 7 Oct 2026

Where it runs

Platform requirement
The App Store listing requires iOS 15 or later on iPhone and iPadOS 15 or later on iPad, and lists Mac compatibility for macOS 12 or later on an Apple M1 chip or later.checked 7 Oct 2026

Alternatives to iDOS 3

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