---
title: "Leviathan & Scylla by JeffTron - Reviews, Revenue and Downloads in Denmark | Apple App Store"
description: "JeffTron application turns your smartphone into controllable fire control unit for your airsoft gun. Thanks to this app you can easily set up your gun in real time. App works in wireless mode with Lev"
---

# Leviathan & Scylla by JeffTron — Denmark

![Leviathan & Scylla by JeffTron App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/4d/21/66/4d21666e-6079-3066-1290-2dac7f7f79bf/AppIcon-production-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [Filip Nemec](https://apptail.io/developer/filip-nemec-HXMb)
**Category:** Sports
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.dactylgroup.leviathan.ios
**Store:** Apple App Store
**Country:** Denmark
**Version:** 4.4.1 (released 2026-01-29)
**Original Release:** 2019-03-21
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/dk/app/app/id1453175928)
**AppTail Page:** [https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/denmark](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/denmark)

## Leviathan & Scylla by JeffTron Description
JeffTron application turns your smartphone into controllable fire control unit for your airsoft gun.
Thanks to this app you can easily set up your gun in real time.
App works in wireless mode with Leviathan hardware from the Jefftron Company, for all functions you have to buy Leviathan unit.
By this app you can also upgrade your Leviathan unit for free with updates which we release in the future.

Features:
- hybrid fire modes
- binary trigger mode
- pre-cocking function for instant shot on SEMI fire
- statistics shows cycle timing, motor current consumption, rate of fire and mosfet temperature.
- adjustable active braking (can be disabled)
- smooth control rate of fire
- fast trigger response
- adjustable burst fire
- low battery indicator
- time delay between shots
- low current consumption in idle state
- 3 shot counters
- error log shows problems made during the device life
- Electronic fuse avoid any damage to Leviathan if something goes wrong
- User can save multiple settings under profiles
- controling hardware via wireless connection
- update function fixes bugs and adds new features to the device

Contact us:
support@jefftron.cz

If you like this app please join the group on the Facebook!


App requires wireless BLE connection with Leviathan hardware.
We are constantly optimizing application and adding new features for free.

## Leviathan & Scylla by JeffTron Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource124/v4/05/13/16/05131683-0602-815c-d7f8-f55354d3e3d3/53066aa1-0b01-431f-b675-9cbdaf48522f_Simulator_Screen_Shot_-_iPhone_12_Pro_Max_-_2021-02-11_at_20.20.59.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource124/v4/86/2b/d1/862bd1c5-b1b6-ef62-a432-57e2197aa420/b1dfaeb6-3ae3-43b2-a843-7ae3a4c3e644_Simulator_Screen_Shot_-_iPhone_12_Pro_Max_-_2021-02-11_at_20.21.05.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource114/v4/49/9a/ff/499aff01-04b5-ec43-dcb3-370e9a70d38c/af050771-5f14-4f16-9bd8-12a36cc3e853_Simulator_Screen_Shot_-_iPhone_12_Pro_Max_-_2021-02-11_at_20.21.10.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource114/v4/df/2e/03/df2e0335-04ea-9edc-e97e-dabb628f4647/f9237931-ca2f-42fd-bf81-8261818fe603_Simulator_Screen_Shot_-_iPhone_12_Pro_Max_-_2021-02-11_at_20.21.19.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource124/v4/94/06/82/940682b8-63a3-aeca-6822-64f9b6f5ec8e/18be680b-c453-4034-8615-4cae11238f0f_Simulator_Screen_Shot_-_iPhone_12_Pro_Max_-_2021-02-11_at_20.21.26.png/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource114/v4/38/c2/f2/38c2f22e-09d0-82c5-b2a4-e9b4adf3aca0/78ca3bc0-a3a8-45e2-99c8-2b63743f701e_Simulator_Screen_Shot_-_iPhone_12_Pro_Max_-_2021-02-11_at_20.21.35.png/1284x2778.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource124/v4/4d/17/07/4d170765-89f6-9abd-f7e8-2da218b29dc7/5c5f5efb-fda6-47d5-ba45-ab2fcb21ba3d_Simulator_Screen_Shot_-_iPhone_12_Pro_Max_-_2021-02-11_at_20.21.42.png/1284x2778.png)







## Leviathan & Scylla by JeffTron Available In
- [Japan](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/japan)
- [Czechia](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/czechia)
- [United States](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/united-states)
- [Australia](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/australia)
- [United Kingdom](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/united-kingdom)
- [Italy](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/italy)
- [South Korea](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/south-korea)
- [France](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/france)
- [Malaysia](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/malaysia)
- [Türkiye](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/turkey)
- [Taiwan](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/taiwan)
- [Ukraine](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/ukraine)
- [Mexico](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/mexico)
- [Canada](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/canada)
- [Vietnam](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/vietnam)
- [Finland](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/finland)
- [Greece](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/greece)
- [Hong Kong SAR China](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/hong-kong)
- [Croatia](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/croatia)
- [Hungary](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/hungary)
- [Indonesia](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/indonesia)
- [Ireland](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/ireland)
- [Israel](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/israel)
- [India](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/india)
- [Kazakhstan](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/kazakhstan)
- [Lebanon](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/lebanon)
- [Luxembourg](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/luxembourg)
- [Latvia](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/latvia)
- [Malta](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/malta)
- [Netherlands](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/netherlands)
- [New Zealand](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/new-zealand)
- [Peru](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/peru)
- [Philippines](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/philippines)
- [Portugal](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/portugal)
- [Russia](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/russia)
- [Sweden](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/sweden)
- [Singapore](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/singapore)
- [Slovenia](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/slovenia)
- [Slovakia](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/slovakia)
- [Thailand](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/thailand)
- [Uzbekistan](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/uzbekistan)
- [United Arab Emirates](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/united-arab-emirates)
- [South Africa](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/south-africa)
- [Argentina](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/argentina)
- [Austria](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/austria)
- [Azerbaijan](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/azerbaijan)
- [Belgium](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/belgium)
- [Bulgaria](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/bulgaria)
- [Switzerland](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/switzerland)
- [Chile](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/chile)
- [China](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/china)
- [Colombia](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/colombia)
- [Cyprus](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/cyprus)
- [Denmark](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/denmark)
- [Algeria](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/algeria)
- [Ecuador](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/ecuador)
- [Estonia](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/estonia)
- [Spain](https://apptail.io/app/leviathan-scylla-by-jefftron-lmpf/spain)

---

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