Comparison

eRacingBattery vs RevLogic

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

Head to head
About

eRacingBattery

Features
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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

RevLogic

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RevLogic – Engine Build Calculators Build smarter. Tune with confidence. RevLogic is the all-in-one engine calculator suite for racers, engine builders, mechanics, tuners, and performance enthusiasts. Whether you're building a two-stroke or four-stroke engine, RevLogic provides accurate, easy-to-use calculators to help you make informed decisions throughout your build. From basic engine specifications to advanced performance calculations, RevLogic helps eliminate guesswork and saves valuable time in the garage. Features • 50+ precision engine calculators • Support for both two-stroke and four-stroke engines • Save and organize your engine builds • Metric and Imperial unit support • Fast, clean, and intuitive interface • Instant calculations with accurate formulas • Export build summaries for reference Included Calculators Bottom End • Engine Displacement • Static Compression Ratio • Dynamic Compression Ratio • Piston Speed • Piston Ring Gap • Reciprocating Inertia • Crankshaft Bob Weight • Target Compression Ratio Solver Valvetrain • Cam Timing • Valve Size & Lift • Valve Spring Calculator Induction • Airflow / Carb CFM • Carburetor Venturi Size • Airflow to Horsepower Driveline • Gear Ratio & RPM • Final Drive Optimizer Performance • Quarter Mile Horsepower Estimator Cylinder Head • Port Shape Converter • Squish Area Calculator Fuel • Fuel Injector Sizing • Fuel Pump Sizing • Ethanol / E85 Blend Calculator Exhaust • Exhaust Header Calculator Tuning • AFR Target Table • Spark Advance Recommendations • Altitude Correction Forced Induction • Effective Compression Ratio • Boost Calculator Power Adders • Nitrous Calculator More calculators are added with every major update. RevLogic Lite Start for free with RevLogic Lite. Lite includes essential calculators and allows you to save one active engine build, making it perfect for hobbyists and first-time users. Upgrade to RevLogic Pro Unlock the full potential of RevLogic with Pro. Pro includes: • Access to every calculator • Unlimited saved engine builds • Advanced calculation tools • Detailed results and recommendations • Future premium features as they're released Whether you're building a street engine, race engine, kart, dirt bike, motorcycle, or custom project, RevLogic gives you the tools you need to build with confidence. Download RevLogic today and build smarter. Perform better.

Screenshots

eRacingBattery1 screens
RevLogic4 screens

Verdict

The call

The clearest difference is in-app purchases: eRacingBattery at none against RevLogic's 1. eRacingBattery also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). RevLogic's advantage is update cadence (daily vs every 6 weeks). On price and device support there is nothing between them.

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

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

Both are free to download. RevLogic sells 1 one-off in-app purchase. eRacingBattery asks for nothing beyond the download.

UpkeepUpdate frequency

eRacingBattery ships an update every 6 weeks, RevLogic daily. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.

Scorecard4 real differences Ā· 2 level
eRacingBattery versus RevLogic: the parameters behind the verdict, then further details
ParametereRacingBatteryRevLogic
PriceFreeFree
Update frequencyEvery 6 weeksDaily — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size18 MB65 MB
Age rating4+17+
DeveloperARACER SPEEDTEK INC.RHEINEL ROI MANALO

In-app purchases

None

eRacingBattery

No in-app purchases

1 purchases

RevLogic

One-time1
  • RevLogic Pro$29.99

Questions

Is eRacingBattery free?
eRacingBattery is free to download, with no in-app purchases.
Is RevLogic free?
RevLogic is free to download, with in-app purchases available.
Do eRacingBattery or RevLogic have ads?
RevLogic shows ads; eRacingBattery does not.
Which is updated more often, eRacingBattery or RevLogic?
eRacingBattery ships an update every 6 weeks, and RevLogic daily. Most recently, eRacingBattery was updated on September 17, 2026 and RevLogic on September 13, 2026.

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