# e85Cal vs Trofii Racing

The clearest difference is in-app purchases: e85Cal at none against Trofii Racing's 10. e85Cal also leads on iOS requirement (12.1 vs 15.1). Trofii Racing's advantage is update cadence (every 4 days vs every 4 months) and rating (5.0 vs 4.7). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Trofii Racing sells 10 in-app purchases, starting at $6.99 per month. e85Cal asks for nothing beyond the download.

Trofii Racing holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 37 and 52 respectively. Written reviews point the same way: 83% of e85Cal's written reviews are positive against 100% of Trofii Racing's.

e85Cal ships an update every 4 months, Trofii Racing every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | e85Cal | Trofii Racing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (37 ratings)](https://appshunter.io/ios/app/e85cal/id1470313135/reviews) | **[5.0 (52 ratings)](https://appshunter.io/ios/app/trofii-racing/id6759013102/reviews)** |
| Number of ratings | 37 | **52** |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 15 MB | 109 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Michael Joe](https://appshunter.io/developer/1132486512) | [Trofii LLC](https://appshunter.io/developer/1896306491) |

## What reviewers say

### e85Cal

[App page](https://appshunter.io/ios/app/e85cal/id1470313135)

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.

**Highlights:** 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 %

**Features:** macOS Compatibility

**In-app purchases:** none


### Trofii Racing

[App page](https://appshunter.io/ios/app/trofii-racing/id6759013102)

This social drag racing app allows drivers to time their runs with GPS-powered precision, share their performance, and compete on global leaderboards. It also features a vehicle garage to track modifications and built-in tools for racers.

**Highlights:** GPS-powered 0-60, 1/8, and 1/4 mile timing, Social racing feed to share runs and times, Global and class-based leaderboards, Vehicle garage to track mods and specs, Density altitude calculator, Horsepower estimator, 1/4 mile ET predictor

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trofii Premium | $6.99 | per month |
| Trofii Premium | $7.99 | per month |
| Trofii Premium | $49.99 | per year |
| Trofii Premium | $59.99 | per year |
| Density Altitude | $0.99 | one-time |
| Can I Take 'Em? | $0.99 | one-time |
| 1/4 Mile ET | $0.99 | one-time |
| 60-130 MPH | $0.99 | one-time |
| Roll Race Predictor | $0.99 | one-time |
| All Calculators Pack | $14.99 | one-time |


## Frequently asked questions

### Is e85Cal free?

e85Cal is free to download, with no in-app purchases.

### Is Trofii Racing free?

Trofii Racing is free to download, with in-app purchases available.

### Which has better reviews, e85Cal or Trofii Racing?

Trofii Racing is rated higher. e85Cal averages 4.7 out of 5 from 37 ratings, while Trofii Racing averages 5.0 from 52 ratings.

### Do e85Cal or Trofii Racing have ads?

Neither e85Cal nor Trofii Racing shows ads.

### Which is updated more often, e85Cal or Trofii Racing?

e85Cal ships an update every 4 months, and Trofii Racing every 4 days. Most recently, e85Cal was updated on October 24, 2026 and Trofii Racing on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*