APR PCU vs GACRacing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
APR PCU
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The APR Power Control Unit (PCU) is an inline tuning box designed to increase the horsepower and torque of the vehicle! The plug-and-play control unit piggybacks off the primary Engine Control Unit (ECU) to deliver more boost, fuel, and timing to increase output. Using your smart phone or the optional wireless controller, you can change performance levels on the fly, revert to stock, adjust throttle sensitivity levels, read emissions readiness, read and clear fault codes, and more.
GACRacing
This application is an Electronic Speed Controller (ESC) designed for crawler cars. It offers exceptional low-speed control and broad compatibility with sensorless brushless motors. Users can switch between crawler and normal operating modes via PWM channels.
- Super smooth low-speed control
- Compatible with 99% of sensorless brushless motors
- Two operating modes: crawler and normal
- Mode switching via PWM channels
- Designed for crawler cars
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This is an ESC developed for crawler car, with a super smooth low speed and compatibility with 99% of sensorless brushless motors. It has two operating modes: crawler mode and normal mode。 G40 ESc：Running mode can be switched through AUX channel G40 Pro ESC：Real time adjustment of drag braking force through AUX channel
Screenshots
Verdict
The clearest difference is update cadence: GACRacing at every 2 months against APR PCU's every 5 months. GACRacing also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
APR PCU ships an update every 5 months, GACRacing every 2 months. The most recent releases landed on October 4, 2026 and October 30, 2026 respectively.
| Parameter | APR PCU | GACRacing |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 141 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Holley Performance Products | 琪 赵 |
In-app purchases
APR PCU
No in-app purchases
GACRacing
No in-app purchases
