# GSS Quality Audit vs EXFO Sync

The clearest difference is device support: EXFO Sync at 3 against GSS Quality Audit's 1. On price, update cadence, 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.

GSS Quality Audit ships an update every 5 months, EXFO Sync every 4 months. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | GSS Quality Audit | EXFO Sync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Size | 24 MB | 41 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ciena](https://appshunter.io/developer/646843125) | [EXFO Inc.](https://appshunter.io/developer/462252930) |

## What reviewers say

### GSS Quality Audit

[App page](https://appshunter.io/ios/app/gss-quality-audit/id1063744314)

**Features:** macOS Compatibility

**In-app purchases:** none


### EXFO Sync

[App page](https://appshunter.io/ios/app/exfo-sync/id1463609603)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GSS Quality Audit free?

GSS Quality Audit is free to download, with no in-app purchases.

### Is EXFO Sync free?

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

### Do GSS Quality Audit or EXFO Sync have ads?

Neither GSS Quality Audit nor EXFO Sync shows ads.

### Which is updated more often, GSS Quality Audit or EXFO Sync?

GSS Quality Audit ships an update every 5 months, and EXFO Sync every 4 months. Most recently, GSS Quality Audit was updated on October 5, 2026 and EXFO Sync on October 11, 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.*