Comparison

eRacingBattery vs CDI

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

Head to head
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.

About

CDI

Features
Read full description

Unlock Full Performance Take Full Control! Enhance your engine’s performance with easy tuning at your fingertips. Key Features: 1. Ignition Timing Adjustment – Fine-tune ignition timing for maximum torque and power. 2. Rev Limit Adjustment – Set the engine's rev limit to unlock its full potential. 3. Mode Switching – Easily switch between driving modes for optimal performance. 4. Quick Shift – Faster gear shifts, reduced lag, and improved acceleration. 5. Hold/Reset Max Speed – Record and reset your top speed effortlessly. 6. Logging Function – Monitor real-time engine performance data. 7. Load/Save File Tune – Save and load tuning files instantly. 8. Launch Control – Optimize launch settings for powerful, wheel-spin-free acceleration. User-friendly – Suitable for both beginners and pro tuners! Download now and unleash your engine’s true potential!

Screenshots

eRacingBattery1 screens
CDI4 screens

Verdict

The call

eRacingBattery and CDI are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

eRacingBattery ships an update every 6 weeks, CDI every 2 months. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

ScorecardNo meaningful differences
eRacingBattery versus CDI: the parameters behind the verdict, then further details
ParametereRacingBatteryCDI
PriceFreeFree
Update frequencyEvery 6 weeks β€” betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 β€” better13.0
Further details β€” not scored
Size18 MB29 MB
Age rating4+17+
DeveloperARACER SPEEDTEK INC.ECU=SHOP

In-app purchases

None

eRacingBattery

No in-app purchases

None

CDI

No in-app purchases

Questions

Is eRacingBattery free?
eRacingBattery is free to download, with no in-app purchases.
Is CDI free?
CDI is free to download, with no in-app purchases.
Do eRacingBattery or CDI have ads?
Neither eRacingBattery nor CDI shows ads.
Which is updated more often, eRacingBattery or CDI?
eRacingBattery ships an update every 6 weeks, and CDI every 2 months. Most recently, eRacingBattery was updated on October 10, 2026 and CDI on October 16, 2026.

Other comparisons