Comparison

Mu vs J2ME Emulator

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Mu

Features
Read full description

For iPhone only. A multi system emulator that emulates a wide range of systems - home computers and games consoles. Pair easily with bluetooth controllers. Easy to use. Simply tap select rom to select game to load game and play. Feature rich. A wide range of emulators. Change the emulator cores for high compatibility with games. Switch virtual gamepad on/off (ie show/hide on screen gamepad). Switch to left-handed gamepad etc. It has a simple user interface where the user is simply presented with required rom to be selected. See website for F.A.Qs and troubleshooting. Supported Game Systems: Atari 2600 Atari 7800 Atari Jaguar Atari Lynx Bandai WonderSwan (Color) Commodore 64 Commodore PLUS/4 NEC TurboGrafx-16/SuperGrafx/PC Engine Nintendo 64 Nintendo DS Nintendo Entertainment System Nintendo Game Boy Nintendo Game Boy Advance PlayStation SNK NeoGeo Pocket (Color) Sega Game Gear Sega Master System Sega Mega Drive Super Nintendo System For full list of supported systems see website. Controller Support 8BitDo controllers are highly recommended XBox Series X Other controllers and bluetooth keyboards should work but are at present untested Additional Features Save / Load States (Functionality dependant on emulated system) Custom configuration of controllers Multiplayer support - (Not fully tested) Fullscreen mode Virtual gamepad on/off toggle Also miscellaneous settings eg graphics settings, speed options etc **Mu Multi-System-Emulator is in no way affiliated with the respective manufacturers of the arcade machines, game consoles and computers. All associated names of arcade machines, games consoles and computers are the registered trademarks of the respective companies.** **The name "Nintendo" and all associated game console names are registered trademarks of Nintendo Co., Ltd** **Atari is the registered trademark of Atari, Inc.** **Commodore is the registered trademark of the respective owner of the trademark** **NEC TurboGrafx-16/SuperGrafx/PC Engine is the registered trademark of NEC Home Electronics** **Playstation is the registered trademark of Sony Interactive Entertainment Inc.** **SNK is the registered trademark of the respective trademark holder.** **Sega is the registered trademark of Sega Corporation.**

About

J2ME Emulator

This app allows you to play classic Java (J2ME) mobile games on your iPhone and iPad. You must provide your own legally obtained game files. It offers customizable controls, screen resolutions, and display scaling for an enhanced retro gaming experience.

Highlights
  • Import .jar game files
  • On-screen keypad and D-pad
  • Customizable screen resolution
  • Multiple display scaling modes
  • Offline gameplay
  • Universal app for iPhone and iPad
Features
Read full description

Play the classic Java mobile games you grew up with. Jemu is a J2ME emulator that runs old-school .jar phone games right on your iPhone and iPad — the feature-phone titles that used to live in your pocket. Jemu ships with no games and downloads nothing. You bring your own legally obtained .jar MIDlet files, import them once, and they run fully on-device with a real on-screen phone keypad. No streaming, no accounts, no cloud — just the emulator core and your own library. WHAT YOU GET - Run classic J2ME (Java ME) .jar games natively on iOS - Import your own .jar files with the built-in file picker - A tidy library that reads each title, vendor and version straight from the JAR - An authentic on-screen keypad: number pad, D-pad and soft keys mapped to MIDP controls - Pick the emulated screen size — presets from 128x128 up to 480x800, portrait or landscape - Fit, Fill or Original scaling, plus keep-screen-on and sound toggles for long sessions PERFECT FOR - Retro gamers chasing the feature-phone titles of the 2000s - Collectors preserving their own legally owned .jar files - Java ME tinkerers who want a real MIDlet runtime in their pocket - Anyone who misses the snake, puzzle and arcade games from old phones WHY NOT JUST USE AN OLD PHONE Your old handset is dead, the screen is cracked and the charger is long gone. Jemu keeps the exact same games playable on the device you already carry — scaled up, full-brightness and touch-friendly — with none of the hardware to hunt down. PRIVACY Everything stays on your device. Your imported games live in the app sandbox, nothing is uploaded, and the emulator runs completely offline. No account and no tracking of your library. FULL ACCESS Jemu unlocks with Jemu Pro, which opens the full app so you can import and play your whole library with no limits. Choose the plan that fits: Weekly, Yearly, or a one-time Lifetime unlock. Prices are shown in-app before you confirm; subscription plans renew until cancelled and can be managed anytime in your App Store settings. Import your first .jar and press play. Terms of Use (EULA): https://web-levi.web.app/terms Privacy Policy: https://web-levi.web.app/privacy-policy Questions? https://web-levi.web.app/#contact

Screenshots

Mu4 screens
J2ME Emulator4 screens

Verdict

The call

The clearest difference is price: J2ME Emulator at Free against Mu's $5.99. Mu's advantage is in-app purchases (none vs 3) and iOS requirement (12.0.0 vs 17.0). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

J2ME Emulator is free to download; Mu costs $5.99 up front. J2ME Emulator sells 3 in-app purchases, starting at $5.99 per 7 days. Mu asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Mu versus J2ME Emulator: the parameters behind the verdict, then further details
ParameterMuJ2ME Emulator
Price$5.99Free — better
Rating—2.0 (8 ratings) — better
Positive reviews—20.0% of reviews
Number of ratings—8 — better
Update frequency—Every 3 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0.0 — better17.0
Further details — not scored
Size24 MB13 MB
Age rating12+4+
DeveloperThaw SoePhuc Pham

In-app purchases

None

Mu

No in-app purchases

3 purchases

J2ME Emulator

Subscriptions2
  • Retro Arcade Weekly$5.997 Days
  • Feature Phone Yearly$29.991 Year
One-time1
  • Offline Emulator, Pay Once$59.99

Questions

Is Mu free?
Mu costs $5.99, with no in-app purchases.
Is J2ME Emulator free?
J2ME Emulator is free to download, with in-app purchases available.
Do Mu or J2ME Emulator have ads?
Neither Mu nor J2ME Emulator shows ads.

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