# FastSync vs Omni Viewer App

The clearest difference is in-app purchases: FastSync at none against Omni Viewer App's 1. Omni Viewer App's advantage is update cadence (every 6 days vs every 2 weeks) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Omni Viewer App sells 1 one-off in-app purchase. FastSync asks for nothing beyond the download.

FastSync ships an update every 2 weeks, Omni Viewer App every 6 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | FastSync | Omni Viewer App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Size | 2 MB | 68 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [LEADVISION MEDIA MANAGEMENT LIMITED](https://appshunter.io/developer/1749906380) | [kwoun ukjin](https://appshunter.io/developer/1637005386) |

## What reviewers say

### FastSync

[App page](https://appshunter.io/ios/app/fastsync-file-manager-and-docs/id6756871426)

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

**In-app purchases:** none


### Omni Viewer App

[App page](https://appshunter.io/ios/app/omni-viewer-app/id6759875642)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee Tip | $0.99 | one-time |


## Frequently asked questions

### Is FastSync free?

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

### Is Omni Viewer App free?

Omni Viewer App is free to download, with in-app purchases available.

### Do FastSync or Omni Viewer App have ads?

Neither FastSync nor Omni Viewer App shows ads.

### Which is updated more often, FastSync or Omni Viewer App?

FastSync ships an update every 2 weeks, and Omni Viewer App every 6 days. Most recently, FastSync was updated on October 30, 2026 and Omni Viewer App on October 28, 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.*