iPhone Screenshots


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
+ Create standard, dirt, cross country, drift and drag tunes
+ Choose between general purpose or track and season specific tunes
+ Supports night, rain, fog and snow tuning
+ 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.

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

What’s New

Version 58.0

Improved transmission tuning in some instances.

Ratings and Reviews

4.5 out of 5
79 Ratings

79 Ratings

Analogcamerauser ,

Great App for good basic tune

If you’re like me and have no idea where to even begin to tune a car, this App definitely points you in the right direction. This App is a god send. I use it for all my tunes. You just then fine tune as need be and you’ll be positioning in live races or drifting around corners in no time

Developer Response ,

Thank you!

joe peat ,

Honestly sometimes can’t decide if I like the app.

There’s been a couple of cars that I’ve used this app for a starting point to get me started with a tune and loved the end results. But then there’s some instances where I really have to scratch my head over what I get outta using it. Idk what I could be doing wrong but there’s been times where I can’t even drive the cars it’ll be so bad. I don’t do anything different so maybe the developers could give me some pointers. I kinda wish there was suggested parts upgrade list just so I can compare and see if maybe it’s because I didn’t get a critical upgrade or something that could be the culprit for some of the head scratching results. I don’t think I’ve tuned a car with the app that didn’t have ridiculous understeer issues which would be my biggest complaint bcuz there’s more than one way to get rid of understeer and for me it takes quite a bit of testing and what not which at the end of the day doesn’t seem worth the money I’ve paid.

Developer Response ,

Please contact me at fb@fiftyinch.com and I can help you out with specific cars as I need more details.

Deebz__™ ,

Overall Very Useful

Very handy tool to determine a base tune for a car, and I appreciate that it gives you choices based on the kind of driving you will be doing. There are only two drawbacks that I can see.

1: It doesn’t have the more recent cars such as the Mercedes-Benz X-Class, and the Chevrolet Caprice. Bit of a shame because I was looking forward to using this app to help tune those, so I hope it is still being updated.

2: The gearing calculations it makes seem to be excessively short sometimes. They would limit top speed with no advantage to acceleration, as far as I can tell. It also only seems to make calculations for final drive, even though it lists all gears.

Developer Response ,

Thanks for the constructive feedback! I always strive to make QuickTune better so feedback for improvements is always welcomed! I will look into the gearing regarding top speed tunes.

As for missing cars: I’m constantly updating the app with new cars as soon as I have access to them. Support for the X-Class will be available with next update for instance. I‘m not aware of the Chevrolet Caprice though, are you sure it’s in Horizon 4?

App Privacy

The developer, Markus Hein, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

More By This Developer

You May Also Like