Spool Ethanol Analyzer vs CANBOXPRO
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
CANBOXPRO
Wirelessly monitor your current ethanol content percentage using a compatible Continental Ethanol sensor. This application requires a specific Bluetooth module for wireless connectivity.
- Wireless ethanol content viewing
- Compatible with Continental Ethanol sensors
- Requires custom Bluetooth module
- Real-time data display
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CANBOXPRO allows you to wirelessly view your current ethanol content from your Continental Ethanol sensor. NOTE: This app requires a custom Bluetooth module (Visconti Tuning CANBOXPRO) to allow for wireless ethanol content viewing.
Screenshots
Verdict
The clearest difference is rating: Spool Ethanol Analyzer at 4.1 against CANBOXPRO's 3.0. Spool Ethanol Analyzer also leads on ratings volume (14 vs 2) and iOS requirement (11.0 vs 14.0). CANBOXPRO's advantage is update cadence (every 8 days vs every 13 months). On price, ads, in-app purchases and monetization model 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.
Spool Ethanol Analyzer holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: Spool Ethanol Analyzer has 14 ratings behind it against 2, so its average is the more settled of the two.
Spool Ethanol Analyzer ships an update every 13 months, CANBOXPRO every 8 days. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.
| Parameter | Spool Ethanol Analyzer | CANBOXPRO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (14 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 14 — better | 2 |
| Update frequency | Every 13 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 9 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Ajay Rajeev | John Visconti |
Customer experience
Spool Ethanol Analyzer
CANBOXPRO
In-app purchases
Spool Ethanol Analyzer
No in-app purchases
CANBOXPRO
No in-app purchases
Questions
Is Spool Ethanol Analyzer free?
Is CANBOXPRO free?
Which has better reviews, Spool Ethanol Analyzer or CANBOXPRO?
Do Spool Ethanol Analyzer or CANBOXPRO have ads?
Which is updated more often, Spool Ethanol Analyzer or CANBOXPRO?
Other comparisons
