Comparison

RFECU Performance 2.0 vs eRacingBattery

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

RFECU Performance 2.0

Connects to your motorcycle's engine computer via Bluetooth to adjust fuel injection, ignition timing, and O2 sensor range. Offers quick mode switching, displays and clears diagnostic trouble codes, and provides real-time engine parameter monitoring with historical data analysis.

Highlights
  • Bluetooth engine connection
  • Fuel injection adjustment
  • Ignition timing control
  • O2 sensor range settings
  • Quick mode switching
  • Diagnostic trouble code display and clearing
  • Real-time engine parameter monitoring
  • Historical data analysis
Read full description

透過藍芽連接器與噴射機車電腦做溝通, 可以達到以下功能: 1. 電腦調整: - 噴油: -100% ~ +100% - 點火: -30 degCRK ~ +60 degCRK - O2範圍: 可依照油門開度及轉速設定O2運轉於開/閉迴路 - 可變進/排氣閥: 可依照油門開度及轉速設定可變進/排氣閥門運轉於開/閉迴路 2. 快速模式: - 一鍵可快速切換至不同模式, 包含噴油, 點火, O2, 可變進/排氣一鍵快速切換. 3. 故障碼 - 故障碼顯示, 故障內容及排除指示, 故障碼清除 4. 引擎參數顯示及紀錄分析 - 可同時顯示超過60幾個引擎參數內容 - 可繪製成曲線圖顯示參數變化 - 可錄製下所有60幾個參數事後調出檔案進行曲線圖分析 5. 原廠電腦亦支援上述 故障碼 及 引擎參數顯示及紀錄分析 功能

About

eRacingBattery

Features
Read full description

The eRacingBattery APP is a platform provided by aRacer for monitoring and adjusting racing battery. It offers data monitoring, function switching and data recording etc. The eRacingBattery has built-in powerful features, including: 1. Individual cell voltage and total voltage monitoring. 2. Current monitoring. 3. Over-voltage, over-current, and short circuit protection. 4. Protection status monitoring (fault codes, cell protection, balancing). 5. MOS temperature, mainboard temperature, and shunt temperature monitoring. 6. LED indicator lights (Bluetooth connection: blue flashing, Touch indication: steady blue). 7. Battery state of charge (SoC). 8. Touch wake-up function (to wake up from ECO mode). 9. ECO/BOSS mode. Please note the following: Before using the product, please carefully read this user manual and ensure that you fully understand and comply with the instructions. The company will not be held responsible for any damages resulting from improper use of the product contrary to the instructions provided in this manual. Do not place the battery near a fire source or in an environment with temperatures exceeding 60 degrees Celsius to avoid overheating or safety issues. Do not place the battery in locations where it may be splashed or exposed to water or saltwater to prevent damage or short circuits. Do not short-circuit the positive and negative terminals of the battery to avoid excessive current and battery damage. Do not reverse the positive and negative terminals of the battery with the device to prevent incorrect current flow and damage to the device. Do not disassemble or modify the battery, as this may result in battery damage, leakage, or the release of hazardous substances. Please dispose of the battery properly by handing it over to professionals. If you notice abnormally high temperature, unusual odor, or fire from the battery, immediately stop using the battery and seek professional assistance to prevent potential hazards. Unless the product itself has manufacturing defects, the company will not be held responsible for any damages caused by the product's improper use contrary to the instructions provided in this manual.

Screenshots

RFECU Performance 2.04 screens
eRacingBattery1 screens

Verdict

The call

The clearest difference is price: eRacingBattery at Free against RFECU Performance 2.0's $26.99. eRacingBattery also leads on iOS requirement (12.0 vs 15.6). On update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

eRacingBattery is free to download; RFECU Performance 2.0 costs $26.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 6 level
RFECU Performance 2.0 versus eRacingBattery: the parameters behind the verdict, then further details
ParameterRFECU Performance 2.0eRacingBattery
Price$26.99Free — better
Positive reviews60.0% of reviews—
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size14 MB18 MB
Age rating4+4+
DeveloperRelease Force Limited CompanyARACER SPEEDTEK INC.

In-app purchases

None

RFECU Performance 2.0

No in-app purchases

None

eRacingBattery

No in-app purchases

Questions

Is RFECU Performance 2.0 free?
RFECU Performance 2.0 costs $26.99, with no in-app purchases.
Is eRacingBattery free?
eRacingBattery is free to download, with no in-app purchases.
Do RFECU Performance 2.0 or eRacingBattery have ads?
Neither RFECU Performance 2.0 nor eRacingBattery shows ads.
Which is updated more often, RFECU Performance 2.0 or eRacingBattery?
RFECU Performance 2.0 ships an update every 6 weeks, and eRacingBattery every 6 weeks. Most recently, RFECU Performance 2.0 was updated on September 28, 2026 and eRacingBattery on September 17, 2026.

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