Comparison

Led Car vs ECU Map Switcher by D

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

Head to head
About

Led Car

Features
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Led Car computes the series resistor you need when replacing a car LED with one of a different wattage, based on your supply voltage. Just enter your voltage, the original LED power and the new LED power: Led Car gives you the resistor value (Ohm) and the recommended wattage. If no resistor is needed, it tells you so. - Fast, offline, no account required - Clean native SwiftUI interface - Full VoiceOver and Dynamic Type support - Light and dark mode - Optional tip jar to support development (unlocks nothing)

About

ECU Map Switcher by D

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Map Switcher lets you read and switch AMG's MED17 ECU calibration maps through your OBD-II Bluetooth adapter. Designed for tuned vehicles with D-Sync multi-map ASW setups. Features: - One-tap map switching from iPhone or CarPlay - BLE connection to OBD adapters (OBDLink CX, etc.) - Multiple vehicle profiles with custom map addresses - Auto-reconnect to last used adapter - Home screen widget showing active map Built by D-Sync. For use with compatible ECUs and calibration files only.

Screenshots

Led Car4 screens
ECU Map Switcher by D4 screens

Verdict

The call

The clearest difference is in-app purchases: ECU Map Switcher by D at none against Led Car's 4. On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Led Car sells 4 one-off in-app purchases. ECU Map Switcher by D asks for nothing beyond the download.

Scorecard1 real difference ยท 5 level
Led Car versus ECU Map Switcher by D: the parameters behind the verdict, then further details
ParameterLed CarECU Map Switcher by D
PriceFreeFree
Update frequencyEvery 54 monthsโ€”
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS18.017.0 โ€” better
Further details โ€” not scored
Size3 MB1 MB
Age rating4+4+
DeveloperSalvatore BoemiaLUN LIU

In-app purchases

4 purchases

Led Car

One-time4
  • Espresso$0.99
  • Cappuccino$2.99
  • Breakfast$3.99
Show 1 more
  • Lunch$8.99
None

ECU Map Switcher by D

No in-app purchases

Questions

Is Led Car free?
Led Car is free to download, with in-app purchases available.
Is ECU Map Switcher by D free?
ECU Map Switcher by D is free to download, with no in-app purchases.
Do Led Car or ECU Map Switcher by D have ads?
Neither Led Car nor ECU Map Switcher by D shows ads.

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