# VideoConcatenation vs Oak Viewer

The clearest difference is in-app purchases: VideoConcatenation at none against Oak Viewer's 2. VideoConcatenation also leads on iOS requirement (15.0 vs 26.1). Oak Viewer's advantage is ads (none vs shown) and update cadence (every 2 days vs fortnightly). On price and device support there is nothing between them.

Both are free to download. Oak Viewer sells 2 in-app purchases, starting at $2.99 per year. VideoConcatenation asks for nothing beyond the download.

VideoConcatenation ships an update fortnightly, Oak Viewer every 2 days. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | VideoConcatenation | Oak Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/oak-viewer/id6756910739/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | — | Paid |
| Size | 60 MB | 12 MB |
| Requires iOS | **15.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [E-ONLINESERVICE](https://appshunter.io/developer/1592295207) | [Jeremy Dunlap](https://appshunter.io/developer/1863615802) |

## What reviewers say

### VideoConcatenation

[App page](https://appshunter.io/ios/app/videoconcatenation/id6739751450)

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

**In-app purchases:** none


### Oak Viewer

[App page](https://appshunter.io/ios/app/oak-viewer/id6756910739)

A private, on-device photo viewer for art collectors and photographers. Browse online galleries, import ZIP files, and organize your collection with custom folders and ratings. Enjoy distraction-free viewing with detailed image insights and customizable themes.

**Highlights:** Private on-device library, Built-in private browser for discovery, Import ZIP galleries and batch collections, Unlimited folders and smart folders, 1-5 star rating system, Full EXIF metadata and histograms, Customizable themes and widgets

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oak Viewer Pro | $2.99 | per year |
| Lifetime Unlock | $9.99 | one-time |


## Frequently asked questions

### Is VideoConcatenation free?

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

### Is Oak Viewer free?

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

### Do VideoConcatenation or Oak Viewer have ads?

VideoConcatenation shows ads; Oak Viewer does not.

### Which is updated more often, VideoConcatenation or Oak Viewer?

VideoConcatenation ships an update fortnightly, and Oak Viewer every 2 days. Most recently, VideoConcatenation was updated on September 13, 2026 and Oak Viewer on September 10, 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.*