aRacer X Tune Downloads & RevenueaRacer X Tune · App Store
Not in any tracked top chart right now.
Updated 8 Nov 2026 · rankings refresh through the day
DeveloperARACER SPEEDTEK INC.
CategoryUtilities
PriceFree
Released
Rating★ 2.9 (17)
Versionv3.2.17
Age rating4+
First seen by us
24 Oct 2026
24 Oct 2026Full timeline · 3 events
- 🆕aRacer X Tune first spotted by AppInsiderUnited States (found via developer)
- 📦aRacer X Tune version v3.2.17v3.2.17
Support XMAX 300 (2025) Auto Wind Shield function - 🆕aRacer X Tune released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
2.9 ★
17 ratings
Measured
aRacer X Tune on the App Store
App details
App ID
1589890610
Publisher
ARACER SPEEDTEK INC.
On the store since
Dec 2021
4 years on the store
Minimum OS
iOS 15.6+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
6
EN JA ZH TH ZH VI
Size
126 MB
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
2.9 ★
17 ratings
Measured
Ratings
17
Measured
About aRacer X Tune
X Tune APP is aRacer puts the experience in participating of global competitions in the past, providing for new generation ECU for engine adjustment. It is suitable for RC Super X and RC Mini X series ECUs with more user-friendly interface, more convenient to use, and is suitable for holiday track days and daily use. It uses WiFi transmission to complete the adjustment and analysis of the relevant data in a more stable and faster way! In addition, you can also pay to turn on the built-in ECU functions according to the needs of the use, so it is the fun of playing in the engine tuning can be extended infinitely!!
X Tune has more powerful built-in functions including (depending on different sales countries and regions, related functions need to be paid to turn on):
# More powerful adjustment functions:
1. 20x17 (RPM x TPS%) fuel adjustment
2. 20x9 (RPM x TPS%) ignition timing adjustment (paid to upgrade can enable switching of 3 ignition timing MAP)
3. 20x9 (RPM x TPS%) target air-fuel ratio setting (paid to upgrade can enable switching of 3 target air-fuel ratio MAP)
# More powerful AT automatic adjustment function and more accurate & fast actual A/F data feedback through AF2 / AF1:
1. Correct the fuel value% & A/F value in time and record it in the 20x17 fuel MAP
2. The corrected result can be used as a base fuel MAP
# New features:
1. TCS tracking functions:
# The stock is not equipped with TCS, and it can be easily work in rainy and slippery conditions after starting
# The stock is equipped with TCS, can provide 3 levels adjustable
2. 3 levels of fuel correction in stock narrowband O2 sensor
Adjustable injection phase
3. Response Button for power response adjustment. After the upgrade, you can switch 3 target air-fuel & ignition timing MAPs in time
4. Guided idle speed setting
5. Guided quick shift triggered pressure setting
6. New style Backfire / Idle lope control
7. New analysis tools
# Notes:
1. X Tune is only suitable for safe and closed road track, and don’t allow to be used in public road!!
2. After paying to turn on the ECU functions, no refund can be made, because the function has been turned-on in the ECU! Before paying, you can use the trial function to confirm the applicability!
3. The adjustment function may damage the engine, please find a qualified professional technician to adjust it and it is not suitable for general users! Any adjustment causes engine damage and dangerous accidents, the company cannot provide any compensation!
About the details, please refer to: https://www.aracer-speedtek.com/product_d.php?lang=tw&tb=1&id=1770
X Tune has more powerful built-in functions including (depending on different sales countries and regions, related functions need to be paid to turn on):
# More powerful adjustment functions:
1. 20x17 (RPM x TPS%) fuel adjustment
2. 20x9 (RPM x TPS%) ignition timing adjustment (paid to upgrade can enable switching of 3 ignition timing MAP)
3. 20x9 (RPM x TPS%) target air-fuel ratio setting (paid to upgrade can enable switching of 3 target air-fuel ratio MAP)
# More powerful AT automatic adjustment function and more accurate & fast actual A/F data feedback through AF2 / AF1:
1. Correct the fuel value% & A/F value in time and record it in the 20x17 fuel MAP
2. The corrected result can be used as a base fuel MAP
# New features:
1. TCS tracking functions:
# The stock is not equipped with TCS, and it can be easily work in rainy and slippery conditions after starting
# The stock is equipped with TCS, can provide 3 levels adjustable
2. 3 levels of fuel correction in stock narrowband O2 sensor
Adjustable injection phase
3. Response Button for power response adjustment. After the upgrade, you can switch 3 target air-fuel & ignition timing MAPs in time
4. Guided idle speed setting
5. Guided quick shift triggered pressure setting
6. New style Backfire / Idle lope control
7. New analysis tools
# Notes:
1. X Tune is only suitable for safe and closed road track, and don’t allow to be used in public road!!
2. After paying to turn on the ECU functions, no refund can be made, because the function has been turned-on in the ECU! Before paying, you can use the trial function to confirm the applicability!
3. The adjustment function may damage the engine, please find a qualified professional technician to adjust it and it is not suitable for general users! Any adjustment causes engine damage and dangerous accidents, the company cannot provide any compensation!
About the details, please refer to: https://www.aracer-speedtek.com/product_d.php?lang=tw&tb=1&id=1770
Latest updates
v3.2.17
v3.2.17
Support XMAX 300 (2025) Auto Wind Shield function
