About this app
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
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 13, 2026 · 10:19 AM Free