e85Cal vs Carman Wheel Simulator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Carman Wheel Simulator
Visualize and preview car wheel and caliper modifications with realistic effects. Adjust settings like brightness and contrast for an authentic look before making changes to your vehicle.
- Real-time wheel modification preview
- Over 400 wheel options from 20+ brands
- Caliper modification preview
- Adjustable wheel settings (brightness, contrast, color temperature)
- Realistic visual effects
- Simple operation
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【Real-Time Wheel Visualizer】 Upload any car photo and instantly preview over 1000 wheel styles from 45+ brands. See exactly how different wheels look before buying and avoid costly mistakes. 【Brake Caliper Customization】 Experiment with brake caliper colors and styles to create the perfect wheel and brake combination for your build. 【Lowered Suspension Preview】 Adjust ride height on side-view vehicle photos and visualize a lowered stance before modifying your suspension. 【Roof Box Preview】 Try different roof box designs on your vehicle and find the best match before making a purchase. 【Magazine Filters】 Transform your vehicle photos with 50+ automotive magazine-style filters and create social-media-ready content.
Screenshots
Verdict
The clearest difference is review sentiment: e85Cal at 83% against Carman Wheel Simulator's 0%. e85Cal also leads on rating (4.7 vs 3.9) and in-app purchases (none vs 11). Carman Wheel Simulator's advantage is update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement 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. Carman Wheel Simulator sells 9 one-off in-app purchases. e85Cal asks for nothing beyond the download.
e85Cal holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 37 and 9 respectively. Written reviews point the same way: 83% of e85Cal's written reviews are positive against 0% of Carman Wheel Simulator's.
e85Cal ships an update every 4 months, Carman Wheel Simulator monthly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.
| Parameter | e85Cal | Carman Wheel Simulator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (37 ratings) — better | 3.9 (9 ratings) |
| Positive reviews | 83.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 37 — better | 9 |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.1 — better | 13.0 |
| Further details — not scored | ||
| Size | 15 MB | 41 MB |
| Age rating | 4+ | 12+ |
| Developer | Michael Joe | Guangzhou kafen Technology Co., Ltd. |
Customer experience
e85Cal
Carman Wheel Simulator
In-app purchases
e85Cal
No in-app purchases
Carman Wheel Simulator
- key$0.29
- 钥匙$0.49
- Newcomer Pack$0.89
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- Primary Pack$4.49
- Intermediate Pack$7.89
- Advanced Pack$10.49
- Upgrade to PRO$11.00
- VIP2 variants$18.49
- PRO2 variants$29.90
Questions
Is e85Cal free?
Is Carman Wheel Simulator free?
Which has better reviews, e85Cal or Carman Wheel Simulator?
Do e85Cal or Carman Wheel Simulator have ads?
Which is updated more often, e85Cal or Carman Wheel Simulator?
Other comparisons
