Spool Ethanol Analyzer vs My Flasher US
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spool Ethanol Analyzer
This application connects to a wireless sensor kit to measure in-tank ethanol content and fuel temperature. It also features a mixing ratio calculator that can be used independently of the sensor hardware.
- Connects to Spool Wireless Ethanol Sensor Kit
- Measures in-tank ethanol content
- Measures fuel temperature
- Includes mixing ratio calculator
- Uses Low energy Bluetooth protocols
- Fast and reliable data
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Spool Ethanol Analyzer is designed to connect to the Spool Wireless Ethanol Sensor Kit and/or the Spool Handheld ethanol analyzer to help determine the in-tank/pump ethanol content and fuel temperature. It incorporates the latest Low energy Bluetooth protocols and provides fast and reliable ethanol content information right on your smartphone. The App also includes a mixing ratio calculator and it can be used even if you don't have access to the Spool Wireless Ethanol Sensor Kit. The Spool Wireless Ethanol Sensor Kit can be purchased at www.spoolperformance.us
My Flasher US
This app allows users to tune and optimize their car's ECU through a connected plug-in dongle. It offers features like reading/writing ECU data, seamless dealer communication, and automatic vehicle identification for a personalized tuning experience.
- Read & Write ECU Data
- Seamless Dealer Communication
- Automatic Vehicle Identification
- Secure and Easy-to-Use Interface
- ECU Tuning and Optimization
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Unlock Your Car’s Full Potential with Our Smart Tuning App! Our mobile application works seamlessly with a plug-in dongle that connects to your car’s ECU, giving you complete control over your vehicle’s tuning and optimization. Key Features: - Read & Write ECU Data – Connect to the dongle and access your car’s ECU effortlessly - Seamless Dealer Communication – Exchange read and modified files with your dealer directly through the app - Automatic Vehicle Identification – Instantly detect your car’s manufacturer, model, version, and engine for a tailored experience - Secure & Easy-to-Use – Designed for everyone, from beginners to professionals, ensuring a safe and hassle-free tuning experience. Enhance your driving experience with precision tuning – Download now and take control of your vehicle!
Screenshots
Verdict
The clearest difference is review sentiment: My Flasher US at 75% against Spool Ethanol Analyzer's 40%. My Flasher US also leads on update cadence (weekly vs every 13 months) and rating (4.4 vs 4.1). Spool Ethanol Analyzer's advantage is iOS requirement (11.0 vs 15.4). On price, ratings volume, 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.
My Flasher US holds the better App Store score, 4.4 against 4.1. Both are backed by a comparable volume of ratings — 14 and 7 respectively. Written reviews point the same way: 40% of Spool Ethanol Analyzer's written reviews are positive against 75% of My Flasher US's.
Spool Ethanol Analyzer ships an update every 13 months, My Flasher US weekly. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.
| Parameter | Spool Ethanol Analyzer | My Flasher US |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (14 ratings) | 4.4 (7 ratings) — better |
| Positive reviews | 40.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 14 — better | 7 |
| Update frequency | Every 13 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 9 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | Ajay Rajeev | SwitchOver Inc. |
Customer experience
Spool Ethanol Analyzer
My Flasher US
In-app purchases
Spool Ethanol Analyzer
No in-app purchases
My Flasher US
No in-app purchases
Questions
Is Spool Ethanol Analyzer free?
Is My Flasher US free?
Which has better reviews, Spool Ethanol Analyzer or My Flasher US?
Do Spool Ethanol Analyzer or My Flasher US have ads?
Which is updated more often, Spool Ethanol Analyzer or My Flasher US?
Other comparisons
