# OTDR Data Transporter vs X4 Advanced Pro

The clearest difference is iOS requirement: X4 Advanced Pro at 7.0 against OTDR Data Transporter's 15.5. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | OTDR Data Transporter | X4 Advanced Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/x4-advanced-pro/id1153447801/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Monetization | — | Free |
| Size | 20 MB | 5 MB |
| Requires iOS | 15.5 | **7.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yokogawa Test & Measurement Corporation](https://appshunter.io/developer/997661022) | [Hitec Multiplex Japan, Inc.](https://appshunter.io/developer/635195645) |

## What reviewers say

### OTDR Data Transporter

[App page](https://appshunter.io/ios/app/otdr-data-transporter/id997661023)

**In-app purchases:** none


### X4 Advanced Pro

[App page](https://appshunter.io/ios/app/x4-advanced-pro/id1153447801)

This app connects to a smart battery charger, enabling real-time monitoring of your Apple devices like iPod Touch, iPhone, and iPad. It utilizes Bluetooth for seamless communication and display of charger status.

**Highlights:** Real-time device monitoring, Bluetooth communication, Charger status display, Apple device integration, Portable computing integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OTDR Data Transporter free?

OTDR Data Transporter is free to download, with no in-app purchases.

### Is X4 Advanced Pro free?

X4 Advanced Pro is free to download, with no in-app purchases.

### Do OTDR Data Transporter or X4 Advanced Pro have ads?

Neither OTDR Data Transporter nor X4 Advanced Pro 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.*