# EXFO OPM vs VIAVILab

The clearest difference is update cadence: VIAVILab at every 2 weeks against EXFO OPM's every 7 months. EXFO OPM's advantage is iOS requirement (10.0 vs 15.0). 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.

EXFO OPM ships an update every 7 months, VIAVILab every 2 weeks. The most recent releases landed on November 4, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | EXFO OPM | VIAVILab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (7 ratings)](https://appshunter.io/ios/app/exfo-opm/id1342361869/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 62 MB | 112 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EXFO Inc.](https://appshunter.io/developer/462252930) | [NIRLAB Forensics Sarl](https://appshunter.io/developer/1590334637) |

## What reviewers say

### 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


### VIAVILab

[App page](https://appshunter.io/ios/app/viavilab/id6449706251)

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

**In-app purchases:** none


## Frequently asked questions

### Is EXFO OPM free?

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

### Is VIAVILab free?

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

### Do EXFO OPM or VIAVILab have ads?

Neither EXFO OPM nor VIAVILab shows ads.

### Which is updated more often, EXFO OPM or VIAVILab?

EXFO OPM ships an update every 7 months, and VIAVILab every 2 weeks. Most recently, EXFO OPM was updated on November 4, 2026 and VIAVILab on October 27, 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.*