For anyone involved in the world of drag racing, .000 Practice Tree is an essential tool. It’s not just a game; it’s a high-precision reaction trainer that translates directly to the track. The level of customization is staggering—being able to adjust roll-outs, delays, and dial-ins allows you to mimic your real-world car setup almost perfectly. Whether you're practicing on a Pro Tree or a Full Tree, the app feels incredibly accurate.
The addition of an online mode elevates the experience from a solo trainer to a global competition. Competing for a 'Practice Tree Championship' against real racers adds a layer of pressure that helps simulate a real race day environment. The interface is clean and professional, offering LED and Incandescent light styles to suit your preference. If you want to cut better lights, this is the app you need.
Available on: iPhone, iPad, iPod
Version 1.95Thu Jan 15 2026
- Added Champions To The Main Menu
.000 Practice Tree is a customizable Drag Racing Practice Tree on your iPhone or iPad! Whether you are a sportsman racer, professional racer, or just a drag racing fan wanting to improve your reaction times this app can help you.
.000 Practice Tree also includes an online mode where you can compete against racers from all over the world in leaderboard-style practice tree races.
• Features
- Practice your reaction times on a .5 Pro Tree, .4 Pro Tree, .5 Full Tree, or a Instant Green Tree
- Race Against Friends with the Local Multiplayer mode
- Compete Against Racers From All Over The World For a .000 Practice Tree Championship in the Online mode
- Fully Customizable Roll Out's, Delay's, and Dial In's
- LED and Incandescent Light Style's
- Statistics Page where you can see stats about your performance
- Pro Motion Support for supported devices
• How To Practice
- Simply hold down the stage button, wait for the practice tree to fire, and let go to get your reaction time
- Customize the practice tree to your liking in the settings menu by using the sliders or clicking on the numbers
• How To Compete In The Online Mode
- Choose a open race you would like to compete in
- Hit the tree and see how you rank against others that competed in that race
- Come back at the end of the race to see how you finished in the "Results" menu
- Gain trophies from placing in the top 3 of racers in a race
- See how many trophies you have compared to other racers in the "Rankings" menu
- Have the most trophies out of any racer at the end of the season? Your username will be permanently added into the game as a Champion in the "Champions" menu!
• Support
- Need Support? Feature Request? Ask on Twitter @PracticeTree or email 000practicetree@gmail.com
Requires iOS 12.0 or later. Compatible with iPhone, iPad, and iPod touch..000 Practice Tree is a customizable Drag Racing Practice Tree on your iPhone or iPad! Whether you are a sportsman racer, professional racer, or just a drag racing fan wanting to improve your reaction times this app can help you.
.000 Practice Tree also includes an online mode where you can compete against racers from all over the world in leaderboard-style practice tree races.
• Features
- Practice your reaction times on a .5 Pro Tree, .4 Pro Tree, .5 Full Tree, or a Instant Green Tree
- Race Against Friends with the Local Multiplayer mode
- Compete Against Racers From All Over The World For a .000 Practice Tree Championship in the Online mode
- Fully Customizable Roll Out's, Delay's, and Dial In's
- LED and Incandescent Light Style's
- Statistics Page where you can see stats about your performance
- Pro Motion Support for supported devices
• How To Practice
- Simply hold down the stage button, wait for the practice tree to fire, and let go to get your reaction time
- Customize the practice tree to your liking in the settings menu by using the sliders or clicking on the numbers
• How To Compete In The Online Mode
- Choose a open race you would like to compete in
- Hit the tree and see how you rank against others that competed in that race
- Come back at the end of the race to see how you finished in the "Results" menu
- Gain trophies from placing in the top 3 of racers in a race
- See how many trophies you have compared to other racers in the "Rankings" menu
- Have the most trophies out of any racer at the end of the season? Your username will be permanently added into the game as a Champion in the "Champions" menu!
• Support
- Need Support? Feature Request? Ask on Twitter @PracticeTree or email 000practicetree@gmail.com




















.000 Practice Tree is a highly customizable reaction trainer designed for sportsman and professional drag racers alike. Practice on .5 Pro, .4 Pro, .5 Full, or Instant Green trees with adjustable roll-outs and delays. Compete globally in online seasons to win championships or race friends locally to sharpen your skills.
Multiple tree styles (.5 Pro, .4 Pro, .5 Full)
Online global championships
Customizable Roll Out and Delay
Local multiplayer mode
Detailed performance statistics
Pro Motion support for high-end devices
Go to settings and adjust the 'Roll Out' and 'Delay' to match your real-world race car's specs for the most accurate practice.
Hold the stage button and release exactly when the green light flashes. Aim for a .000 reaction time to climb the rankings.
Yes, you can choose between LED and Incandescent light styles in the settings.