# EXFO EXs vs VIAVI Mobile Tech

The clearest difference is rating: VIAVI Mobile Tech at 3.2 against EXFO EXs's 1.7. On price, ratings volume, update cadence and ads 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 1.7. Both are backed by a comparable volume of ratings — 6 and 6 respectively.

EXFO EXs ships an update every 2 months, VIAVI Mobile Tech every 3 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | EXFO EXs | VIAVI Mobile Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (6 ratings)](https://appshunter.io/ios/app/exfo-exs/id1303844031/reviews) | **[3.2 (6 ratings)](https://appshunter.io/ios/app/viavi-mobile-tech/id1313519597/reviews)** |
| Number of ratings | 6 | 6 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 26 MB | 58 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EXFO Inc.](https://appshunter.io/developer/462252930) | [VIAVI Solutions Inc.](https://appshunter.io/developer/505552642) |

## What reviewers say

### EXFO EXs

[App page](https://appshunter.io/ios/app/exfo-exs/id1303844031)

This application enables communication service providers to test and qualify Ethernet, PON, and Wi-Fi services for customers. It provides detailed metrics for throughput, latency, and optical connections, generating comprehensive reports for service provisioning and troubleshooting.

**Highlights:** Ethernet, PON, and Wi-Fi testing, Throughput and latency validation, Optical connection qualification, Wi-Fi Channel Map analysis, Report generation, Cloud-enabled firmware upgrades

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

**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 EXFO EXs free?

EXFO EXs 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.

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

VIAVI Mobile Tech is rated higher. EXFO EXs averages 1.7 out of 5 from 6 ratings, while VIAVI Mobile Tech averages 3.2 from 6 ratings.

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

Neither EXFO EXs nor VIAVI Mobile Tech shows ads.

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

EXFO EXs ships an update every 2 months, and VIAVI Mobile Tech every 3 months. Most recently, EXFO EXs was updated on October 20, 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.*