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Leviathan & Scylla by JeffTron

Leviathan & Scylla by JeffTron

by Filip Nemec

7 ratings
4 reviews
⚽ Sports
Free

Details

  • Released
  • Updated
  • March 21, 2019
  • June 29, 2026

Features

Developer

Filip Nemec
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Leviathan & Scylla by JeffTron screenshot #1 for iPhone
Leviathan & Scylla by JeffTron screenshot #2 for iPhone
Leviathan & Scylla by JeffTron screenshot #3 for iPhone
Leviathan & Scylla by JeffTron screenshot #4 for iPhone
Leviathan & Scylla by JeffTron screenshot #5 for iPhone
Leviathan & Scylla by JeffTron screenshot #6 for iPhone
Leviathan & Scylla by JeffTron screenshot #7 for iPhone
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About

This application transforms your smartphone into a wireless fire control unit for compatible airsoft guns. It allows real-time adjustments to firing modes, pre-cocking, and provides detailed performance statistics. The app also facilitates free firmware updates for the connected hardware.

✓Hybrid fire modes
✓Binary trigger mode
✓Pre-cocking function
✓Performance statistics
✓Adjustable active braking
✓Wireless hardware control
✓Free firmware updates
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What's New in Leviathan & Scylla by JeffTron

5.0.1

June 29, 2026

- Fixed missing options for safe slector position for Scylla AEG - Fixed fw update dialog

User reviews

Most RecentHighest RatedLowest Rated

Update

Ever since iv updated my mosfet to the latest software my blaster will not work it was fine on the previous firmware
jmack176jmack176

Levi for the win

It’s not hard to be the best when you’re the only one in the race!
Jefftron are pioneers in their industry and have made it sooo simple to program and tune your AEG Airsoft or gel blaster that once you have experienced this new era in FCU’s you’ll never go back.
This App is easy to navigate, constantly updated and rock solid.
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Essjay01Essjay01

Best out there!

Connects really fast to my phone tons of functions and easy to install highly recommend using the app!
SnznznznznzSnznznznznz

Awesome

I’m lucky that they have this on iPhone for the MOSFET god very pleased 😊now I can flex around using this app to control my airsoft rifle
deleter182deleter182

Developer apps

Leviathan HUD
Leviathan HUD

Tactical data on your wrist

⚽ Sports

(4)

Free
See developer apps

FAQ

What is Leviathan & Scylla?

Leviathan & Scylla is a smartphone application that functions as a wireless fire control unit for compatible airsoft guns. It allows users to adjust various firing settings and monitor performance metrics in real-time.

Does Leviathan & Scylla require any hardware?

Yes, the application requires wireless BLE connection with compatible Leviathan hardware from Jefftron Company. All functions are accessible only when connected to this hardware unit.

Can I update the Leviathan hardware using this app?

Yes, the app provides a free update function to upgrade your Leviathan unit with new features and bug fixes released by the developer.

What kind of statistics does Leviathan & Scylla provide?

The app displays statistics such as cycle timing, motor current consumption, rate of fire, and MOSFET temperature, offering detailed insights into your airsoft gun's performance.

What are the supported fire modes in Leviathan & Scylla?

Leviathan & Scylla supports hybrid fire modes, binary trigger mode, and adjustable burst fire. It also features a pre-cocking function for instant shots on SEMI fire.

Is Leviathan & Scylla available on Android?

The app is supported on iPhone, iPad, and iPod, indicating iOS compatibility. Specific Android support is not detailed in the provided information.

How often is Leviathan & Scylla updated?

The application is constantly being optimized and new features are added for free. The latest version is 4.4.1, updated on January 29, 2026.

What is the user sentiment for Leviathan & Scylla?

Users have rated Leviathan & Scylla highly, with an average of 5.0 stars from 7 ratings, suggesting a positive user experience.