# RaceChip+ vs e85Cal

The clearest difference is review sentiment: e85Cal at 83% against RaceChip+'s 38%. e85Cal also leads on rating (4.7 vs 3.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

e85Cal holds the better App Store score, 4.7 against 3.1. Both are backed by a comparable volume of ratings — 81 and 35 respectively. Written reviews point the same way: 38% of RaceChip+'s written reviews are positive against 83% of e85Cal's.

RaceChip+ ships an update every 2 months, e85Cal every 4 months. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | RaceChip+ | e85Cal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (81 ratings)](https://appshunter.io/ios/app/racechip-plus/id1450806314/reviews) | **[4.7 (35 ratings)](https://appshunter.io/ios/app/e85cal/id1470313135/reviews)** |
| Number of ratings | **81** | 35 |
| Positive reviews | 38.5% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 96 MB | 15 MB |
| Requires iOS | 12.2 | **12.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RaceChip Chiptuning GmbH & Co. KG](https://appshunter.io/developer/989102959) | [Michael Joe](https://appshunter.io/developer/1132486512) |

## What reviewers say

### RaceChip+

[App page](https://appshunter.io/ios/app/racechip-plus/id1450806314)

Control chip tuning and throttle tuning for your car with this app. Fine-tune settings to match your car's specifics and driving style, with easy access to Eco, Sport, and Race modes. Experience enhanced performance with RaceChip tuning chips.

**Highlights:** Chip tuning control, Throttle tuning control, Customizable driving modes (Eco, Sport, Race), Real-time software updates, Product support

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is RaceChip+ free?

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

### Is e85Cal free?

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

### Which has better reviews, RaceChip+ or e85Cal?

e85Cal is rated higher. RaceChip+ averages 3.1 out of 5 from 81 ratings, while e85Cal averages 4.7 from 35 ratings.

### Do RaceChip+ or e85Cal have ads?

Neither RaceChip+ nor e85Cal shows ads.

### Which is updated more often, RaceChip+ or e85Cal?

RaceChip+ ships an update every 2 months, and e85Cal every 4 months. Most recently, RaceChip+ was updated on September 29, 2026 and e85Cal on September 26, 2026.

---

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