# Fuel vs TunerView

The clearest difference is in-app purchases: Fuel at none against TunerView's 4. Fuel also leads on review sentiment (50% vs 40%). TunerView's advantage is update cadence (every 6 weeks vs every 10 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. TunerView sells 4 one-off in-app purchases. Fuel asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.1 for Fuel against 3.1 for TunerView. Both are backed by a comparable volume of ratings — 33 and 40 respectively. Written reviews are what separate them: 50% of Fuel's written reviews are positive against 40% of TunerView's.

Fuel ships an update every 10 months, TunerView every 6 weeks. The most recent releases landed on August 27, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Fuel | TunerView |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (33 ratings)](https://appshunter.io/ios/app/fuel-it-eca/id1004246767/reviews) | [3.1 (40 ratings)](https://appshunter.io/ios/app/tunerview/id1593158185/reviews) |
| Number of ratings | 33 | **40** |
| Positive reviews | **50.0% of reviews** | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 20 MB | 108 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dmac Mobile Developments, LLC](https://appshunter.io/developer/372235786) | [Peter Linszter](https://appshunter.io/developer/530077583) |

## What reviewers say

### Fuel

[App page](https://appshunter.io/ios/app/fuel-it-eca/id1004246767)

Monitor your vehicle's ethanol concentration and fuel temperature in real-time. This app wirelessly connects to a compatible Bluetooth module, freeing up your device's port for simultaneous charging and monitoring. It includes an ethanol fill-up concentration calculator and customizable display views.

**Highlights:** Real-time ethanol concentration monitoring, Real-time fuel temperature monitoring, Wireless Bluetooth connectivity, Ethanol fill-up concentration calculator, Fahrenheit or Celsius display options, Two display views

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### TunerView

[App page](https://appshunter.io/ios/app/tunerview/id1593158185)

This app connects to your vehicle's ECU via a Bluetooth adapter to provide real-time data logging and dashboard displays. Unlock specific datalog protocols through in-app purchases to utilize its full functionality for automotive tuning.

**Highlights:** Real-time datalogging, Customizable dashboard, Bluetooth ECU connection, Support for specific ECUs, In-app protocol purchases

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KTuner Protocol | $4.99 | one-time |
| ECUMaster Protocol | $4.99 | one-time |
| eCTune/HTS Protocol | $4.99 | one-time |
| Neptune Protocol | $4.99 | one-time |


## Frequently asked questions

### Is Fuel free?

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

### Is TunerView free?

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

### Which has better reviews, Fuel or TunerView?

Fuel and TunerView are both rated 3.1 out of 5 on the App Store, from 33 and 40 ratings respectively.

### Do Fuel or TunerView have ads?

Neither Fuel nor TunerView shows ads.

### Which is updated more often, Fuel or TunerView?

Fuel ships an update every 10 months, and TunerView every 6 weeks. Most recently, Fuel was updated on August 27, 2026 and TunerView on August 31, 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.*