# OTDR Data Transporter vs VIAVI Mobile Tech

The clearest difference is update cadence: VIAVI Mobile Tech at every 3 months against OTDR Data Transporter's every 15 months. 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.

OTDR Data Transporter ships an update every 15 months, VIAVI Mobile Tech every 3 months. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OTDR Data Transporter | VIAVI Mobile Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.2 (6 ratings)](https://appshunter.io/ios/app/viavi-mobile-tech/id1313519597/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 20 MB | 58 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yokogawa Test & Measurement Corporation](https://appshunter.io/developer/997661022) | [VIAVI Solutions Inc.](https://appshunter.io/developer/505552642) |

## What reviewers say

### OTDR Data Transporter

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

**In-app purchases:** none


### VIAVI Mobile Tech

[App page](https://appshunter.io/ios/app/viavi-mobile-tech/id1313519597)

This app automates test instrument synchronization and data backup for technicians. It provides on-demand access to manuals, training, and support, while enhancing test results with geolocation. Reports can be easily downloaded and shared.

**Highlights:** Automated synchronization with StrataSync, Cloud backup of test results, On-demand access to manuals and training, Geolocation data for test results, File manager for report download and sharing, Remote viewing of test instrument interfaces

**Features:** Vision Pro support

**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 VIAVI Mobile Tech free?

VIAVI Mobile Tech is free to download, with no in-app purchases.

### Do OTDR Data Transporter or VIAVI Mobile Tech have ads?

Neither OTDR Data Transporter nor VIAVI Mobile Tech shows ads.

### Which is updated more often, OTDR Data Transporter or VIAVI Mobile Tech?

OTDR Data Transporter ships an update every 15 months, and VIAVI Mobile Tech every 3 months. Most recently, OTDR Data Transporter was updated on October 17, 2026 and VIAVI Mobile Tech on October 24, 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.*