# Bowler All vs E

The clearest difference is rating: E at 5.0 against Bowler All's 3.4. E also leads on iOS requirement (13.0 vs 15.0). Bowler All's advantage is ratings volume (5 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

E holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Bowler All has 5 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Bowler All | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/bowler-all-in-one/id1249619575/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/e-tuner-4-plus/id1589779289/reviews)** |
| Number of ratings | **5** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | — |
| Monetization | Free | Free |
| Size | 21 MB | 15 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bowler Performance Transmissions](https://appshunter.io/developer/1249619574) | [Edelbrock Corp](https://appshunter.io/developer/1579096297) |

## What reviewers say

### Bowler All

[App page](https://appshunter.io/ios/app/bowler-all-in-one/id1249619575)

Configure and diagnose a specific vehicle harness wirelessly. Calibrate the speedometer in real-time with an assistant to maintain consistent speeds during adjustments.

**Highlights:** Wireless harness setup, Harness diagnostics, Live speedometer calibration, Vehicle speed adjustment assistant

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

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-tuner-4-plus/id1589779289)

Wirelessly manage and tune your Pro-Flo 4 Plus EFI System via Bluetooth from your Apple device. Adjust air-fuel ratios, ignition timing, and more, or use the setup wizard for simplified calibration. Monitor engine data in real-time and utilize diagnostic tools.

**Highlights:** Bluetooth ECU communication, Live tuning of air-fuel ratios and ignition timing, Real-time engine and sensor data monitoring, Setup wizard for simplified calibration, Advanced tuning functions, Diagnostic page for troubleshooting, Demo mode for preview

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bowler All free?

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

### Is E free?

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

### Which has better reviews, Bowler All or E?

E is rated higher. Bowler All averages 3.4 out of 5 from 5 ratings, while E averages 5.0 from 1 ratings.

### Do Bowler All or E have ads?

Neither Bowler All nor E shows ads.

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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.*