# Oak Viewer vs LutRec

The clearest difference is update cadence: LutRec at every 2 days against Oak Viewer's every 4 days. LutRec also leads on iOS requirement (18.0 vs 26.1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Oak Viewer sells 2 in-app purchases, starting at $2.99 per year and LutRec sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Oak Viewer ships an update every 4 days, LutRec every 2 days. Both last shipped on November 9, 2026.

## The numbers

| Metric | Oak Viewer | LutRec |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/oak-viewer/id6756910739/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 16 MB | 469 MB |
| Requires iOS | 26.1 | **18.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Jeremy Dunlap](https://appshunter.io/developer/1863615802) | [英武 宋](https://appshunter.io/developer/1824776211) |

## What reviewers say

### Oak Viewer

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

A private, on-device photo viewer for art collectors and photographers. Browse, import, organize, and rate your image collection with detailed insights and customizable viewing options.

**Highlights:** Full-screen image and video viewing, On-device private library, Built-in private browser for discovery, Organize with unlimited folders, Rate images with a 1-5 star system, Detailed image metadata and histograms, Customizable themes and widgets

**Features:** macOS Compatibility, Family Sharing, iPhone Duo support

**In-app purchases (2)**

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


### LutRec

[App page](https://appshunter.io/ios/app/lutrec/id6759244722)

Transform your iPad into a professional LUT monitor and external recorder. Supports UVC and UAC connections for seamless integration with cameras, offering advanced LUT capabilities for video professionals.

**Highlights:** iPad LUT monitor, External video recorder, UVC and UAC support, 4K and 1080P resolutions, Log restoration LUT, Main LUT, Secondary LUT

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁VIP功能+SVIP功能 | $7.99 | one-time |


## Frequently asked questions

### Is Oak Viewer free?

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

### Is LutRec free?

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

### Do Oak Viewer or LutRec have ads?

Neither Oak Viewer nor LutRec shows ads.

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

Oak Viewer ships an update every 4 days, and LutRec every 2 days. Most recently, Oak Viewer was updated on November 9, 2026 and LutRec on November 9, 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.*