# EK1 Tuning cloud vs JB4 PRO

The clearest difference is rating: JB4 PRO at 4.4 against EK1 Tuning cloud's 1.3. JB4 PRO also leads on ratings volume (14 vs 3). EK1 Tuning cloud's advantage is iOS requirement (14.0.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

JB4 PRO holds the better App Store score, 4.4 against 1.3. Both are backed by a comparable volume of ratings — 3 and 14 respectively.

EK1 Tuning cloud ships an update every 2 weeks, JB4 PRO fortnightly. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | EK1 Tuning cloud | JB4 PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (3 ratings)](https://appshunter.io/ios/app/ek1-tuning-cloud/id6686403255/reviews) | **[4.4 (14 ratings)](https://appshunter.io/ios/app/jb4-pro/id6746129072/reviews)** |
| Number of ratings | 3 | **14** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 67 MB | 22 MB |
| Requires iOS | **14.0.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [NAMKUK SEONG](https://appshunter.io/developer/1768599883) | [Burger Motorsports, Inc](https://appshunter.io/developer/1815297026) |

## What reviewers say

### EK1 Tuning cloud

[App page](https://appshunter.io/ios/app/ek1-tuning-cloud/id6686403255)

Manage and install tuning maps for EK1 devices via a cloud service. Create and share data logs easily with your EK1Pro or EK1Mini2.

**Highlights:** Cloud management of tuning files, Create data logs with EK1 device, Easy tuning map installation, Simple log creation and sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### JB4 PRO

[App page](https://appshunter.io/ios/app/jb4-pro/id6746129072)

Integrate your performance tuner with your smartphone to adjust engine maps, view real-time data, and manage system settings. This app requires a specific Bluetooth adapter for full functionality.

**Highlights:** Change maps, Monitor live engine data, Record logs, Manage fault codes, Update JB4 firmware, Smartphone integration

**In-app purchases:** none


## Frequently asked questions

### Is EK1 Tuning cloud free?

EK1 Tuning cloud is free to download, with no in-app purchases.

### Is JB4 PRO free?

JB4 PRO is free to download, with no in-app purchases.

### Which has better reviews, EK1 Tuning cloud or JB4 PRO?

JB4 PRO is rated higher. EK1 Tuning cloud averages 1.3 out of 5 from 3 ratings, while JB4 PRO averages 4.4 from 14 ratings.

### Do EK1 Tuning cloud or JB4 PRO have ads?

Neither EK1 Tuning cloud nor JB4 PRO shows ads.

### Which is updated more often, EK1 Tuning cloud or JB4 PRO?

EK1 Tuning cloud ships an update every 2 weeks, and JB4 PRO fortnightly. Most recently, EK1 Tuning cloud was updated on September 18, 2026 and JB4 PRO on September 13, 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.*