Spool Ethanol Analyzer (Watch) vs ECU Map Switcher by D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spool Ethanol Analyzer (Watch)
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Spool Ethanol Analyzer is designed to connect to the Spool Wireless Ethanol Sensor Kit and the Spool Handheld Ethanol Analyzer. It can help determine the in-tank ethanol content and fuel temperature. The kits incorporate the latest Low energy Bluetooth protocols and provides fast and reliable ethanol content information right on your Apple Watch. The Spool Wireless Ethanol Sensor Kits and Handheld Analyzers can be purchased at www.spoolperformance.us
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
Verdict
The clearest difference is device support: Spool Ethanol Analyzer (Watch) at 3 against ECU Map Switcher by D's 1. Spool Ethanol Analyzer (Watch) also leads on iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases 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.
| Parameter | Spool Ethanol Analyzer (Watch) | ECU Map Switcher by D |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod, Apple Watch — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Ajay Rajeev | LUN LIU |
In-app purchases
Spool Ethanol Analyzer (Watch)
No in-app purchases
ECU Map Switcher by D
No in-app purchases
Questions
Is Spool Ethanol Analyzer (Watch) free?
Is ECU Map Switcher by D free?
Do Spool Ethanol Analyzer (Watch) or ECU Map Switcher by D have ads?
Other comparisons
