QuickTune H4 by Markus Hein (iPhone)
Released: Nov 29, 2018
Version: 36.1
Size: 17 MB
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Ranking - Utilities (iPhone)

QuickTune H4

Markus Hein
The power of QuickTune is now available for Forza Horizon for the first time!

QuickTune H4 - the successor of the highly acclaimed QuickTune 7 Tuning Calculator for Forza 7 - is now available with full support for Forza Horizon 4!


+ Calculates ready-made balanced and competitive tunes, no tweaking necessary!
+ Supports any car in Forza Horizon 4 with any drivetrain swap
+ Choose between general purpose or track and season specific tunes
+ Create standard, dirt, cross country, drift and drag tunes
+ Advanced settings for adjustment of tune balance and stiffness
+ Supports imperial and metric units
+ "Favorites" features allows you to save and keep track of your favorite tunes
+ Automatically keeps track of 100 most recent tuned cars
+ Includes aero and transmission tuning


Simply provide following car data:
- manufacturer & car model
- power
- weight & weight distribution
- drivetrain
- suspension (springs and dampers)
- chassis reinforcement
- transmission
- tire compound
- tire width (front and rear)
- installed aero kits

Then choose the kind of tune and whether it should be a general purpose tune suited for multiplayer lobby racing or track and season specific tune ideally suited for rival races.

Further tuning options allow for custom tuning of tire pressure, anti-roll bars, springs and dampers, ride height, brake balance, differential, gearing and aerodynamic downforce.

Based on the provided data a tune is calculated for the car according to the selected tune type. ARBs and spring rates are provided with 3 fraction digit precision, set the in-game values to nearest value.

Advanced tune settings allow you further adjust tune balance and the stiffness.

Use the "hp/kw" and "lb/kg" toggle to switch between imperial and metric unit input.

Use the ".000/.0" toggle to switch between calculated and rounded values as displayed in-game.

What's new in version 36.1
Updated tune settings help texts.

New cars:
2009 Lexus IS F
2013 Toyota GT86
Screenshot #1
Our verdict: Good
  • + QuickTune H4 is a highly rated app (4.5-star).
  • + QuickTune H4 is currently ranked #183 in paid Utilities apps for iPhone.
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