driverq vs e85Cal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
driverq
This app facilitates the pick-up and delivery of auto service vehicles and test drives for registered drivers. It provides essential training and login functionality for users to begin their assignments.
- Vehicle pick-up and delivery
- Test drive management
- Driver registration and login
- In-app training access
- GPS tracking (with battery disclaimer)
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Ready to start driving? This app is for registered driverq/RedCap drivers for pick up and delivery of auto service vehicles and test drives. Download, login and get ready for your app training. Enjoy! Disclaimer: Continued use of GPS running in the background can dramatically decrease battery life.
e85Cal
This app assists users in calculating the precise amounts of standard and ethanol gasoline needed to achieve a desired ethanol percentage in their fuel mix. It simplifies the process by taking into account tank size, current fuel level, and the ethanol content of available fuel types.
- Calculate ethanol percentage goal
- Enter gas tank size
- Input standard pump gas ethanol %
- Input ethanol pump gas ethanol %
- Set target ethanol % mix
- Enter current fuel level %
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e85Cal help you calculate your ethanol percentage goal. It fast, simple, and easy to use. Just enter the following information: 1) How big is your gas tank? 2) What is the ethanol % in the standard pump gas? 3) What is the ethanol % in the ethanol pump gas? 4) What is your target ethanol % mix goal? 5) What is your current ethanol % min in your vehicle? 6) What is your current fuel level % in your vehicle? Results will display how many gallons or liters of standard and ethanol gas to pump in your vehicle based on your input.
Screenshots
Verdict
The clearest difference is review sentiment: e85Cal at 82% against driverq's 16%. e85Cal also leads on iOS requirement (12.1 vs 14.0). On price, update cadence, 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.
driverq ships an update every 2 months, e85Cal every 4 months. The most recent releases landed on July 29, 2026 and July 23, 2026 respectively.
| Parameter | driverq | e85Cal |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (35 ratings) — better |
| Positive reviews | 16.1% of reviews | 81.8% of reviews — better |
| Number of ratings | — | 35 — better |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 | 12.1 — better |
| Further details — not scored | ||
| Size | 55 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | RedCap Technologies | Michael Joe |
Customer experience
driverq
e85Cal
In-app purchases
driverq
No in-app purchases
e85Cal
No in-app purchases
