# VIAVI Mobile Tech vs EXFO OPM

The clearest difference is review sentiment: VIAVI Mobile Tech at 50% against EXFO OPM's 0%. VIAVI Mobile Tech also leads on rating (3.2 vs 1.0) and update cadence (every 3 months vs every 7 months). EXFO OPM's advantage is iOS requirement (10.0 vs 15.0). On price, ratings volume, 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.

VIAVI Mobile Tech holds the better App Store score, 3.2 against 1.0. Both are backed by a comparable volume of ratings — 6 and 7 respectively. Written reviews point the same way: 50% of VIAVI Mobile Tech's written reviews are positive against 0% of EXFO OPM's.

VIAVI Mobile Tech ships an update every 3 months, EXFO OPM every 7 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | VIAVI Mobile Tech | EXFO OPM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/viavi-mobile-tech/id1313519597/reviews)** | [1.0 (7 ratings)](https://appshunter.io/ios/app/exfo-opm/id1342361869/reviews) |
| Number of ratings | 6 | **7** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 58 MB | 62 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VIAVI Solutions Inc.](https://appshunter.io/developer/505552642) | [EXFO Inc.](https://appshunter.io/developer/462252930) |

## What reviewers say

### 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


### EXFO OPM

[App page](https://appshunter.io/ios/app/exfo-opm/id1342361869)

This application connects to specific EXFO optical power meters and checkers via Bluetooth to display live measurements. It allows users to manage test configurations, store and edit measurement data, add GPS coordinates, and generate shareable PDF reports.

**Highlights:** Bluetooth connectivity to EXFO devices, Live measurement display, Measurement storage and management, Test configuration management, PDF test report generation, GPS coordinate tagging, JSON export for MPC-100

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VIAVI Mobile Tech free?

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

### Is EXFO OPM free?

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

### Which has better reviews, VIAVI Mobile Tech or EXFO OPM?

VIAVI Mobile Tech is rated higher. VIAVI Mobile Tech averages 3.2 out of 5 from 6 ratings, while EXFO OPM averages 1.0 from 7 ratings.

### Do VIAVI Mobile Tech or EXFO OPM have ads?

Neither VIAVI Mobile Tech nor EXFO OPM shows ads.

### Which is updated more often, VIAVI Mobile Tech or EXFO OPM?

VIAVI Mobile Tech ships an update every 3 months, and EXFO OPM every 7 months. Most recently, VIAVI Mobile Tech was updated on November 2, 2026 and EXFO OPM on November 4, 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.*