# Gel Swatch Library vs LEE Diffusion Comparator

The clearest difference is price: LEE Diffusion Comparator at Free against Gel Swatch Library's $9.99. LEE Diffusion Comparator also leads on in-app purchases (none vs 1) and iOS requirement (8.0 vs 15.6). Gel Swatch Library's advantage is rating (4.6 vs 3.0) and review sentiment (78% vs 60%). On ads and device support there is nothing between them.

LEE Diffusion Comparator is free to download; Gel Swatch Library costs $9.99 up front. Gel Swatch Library sells 1 one-off in-app purchase. LEE Diffusion Comparator asks for nothing beyond the download.

Gel Swatch Library holds the better App Store score, 4.6 against 3.0. Both are backed by a comparable volume of ratings — 13 and 4 respectively. Written reviews point the same way: 78% of Gel Swatch Library's written reviews are positive against 60% of LEE Diffusion Comparator's.

Gel Swatch Library ships an update every 5 weeks, LEE Diffusion Comparator every 3 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Gel Swatch Library | LEE Diffusion Comparator |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.6 (13 ratings)](https://appshunter.io/ios/app/gel-swatch-library/id285259613/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/lee-diffusion-comparator/id1050979715/reviews) |
| Number of ratings | **13** | 4 |
| Positive reviews | **78.4% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 231 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Crossroads Motorsport, LLC](https://appshunter.io/developer/1457608809) | [LEE Filters](https://appshunter.io/developer/882232671) |

## What reviewers say

### Gel Swatch Library

[App page](https://appshunter.io/ios/app/gel-swatch-library/id285259613)

This app allows lighting professionals to easily browse, search, and compare over 1,600 gel color filters from major manufacturers. It offers detailed spectral data, CMY/RGB percentages, DMX values, and a live camera preview feature for visualizing colors.

**Highlights:** Browse 1,600+ gel color filters, Search by name or number, Compare similar and complementary colors, View Spectral Energy Distribution graphs, See CMY/RGB percentages and DMX values, Live camera color preview, Preview colors over photos

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Visual Package | $2.99 | one-time |


### LEE Diffusion Comparator

[App page](https://appshunter.io/ios/app/lee-diffusion-comparator/id1050979715)

This app allows lighting designers to compare different diffusion filters in real-time while a video plays. It helps visualize how each diffusion affects shadows and color balance, aiding in project selection and creative experimentation.

**Highlights:** Real-time diffusion switching, Pause for frame comparison, Commentary track, Universal app for iPhone and iPad, Portrait and landscape views, Collapsible diffusion list

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

**In-app purchases:** none


## Frequently asked questions

### Is Gel Swatch Library free?

Gel Swatch Library costs $9.99, and also offers in-app purchases.

### Is LEE Diffusion Comparator free?

LEE Diffusion Comparator is free to download, with no in-app purchases.

### Which has better reviews, Gel Swatch Library or LEE Diffusion Comparator?

Gel Swatch Library is rated higher. Gel Swatch Library averages 4.6 out of 5 from 13 ratings, while LEE Diffusion Comparator averages 3.0 from 4 ratings.

### Do Gel Swatch Library or LEE Diffusion Comparator have ads?

Neither Gel Swatch Library nor LEE Diffusion Comparator shows ads.

### Which is updated more often, Gel Swatch Library or LEE Diffusion Comparator?

Gel Swatch Library ships an update every 5 weeks, and LEE Diffusion Comparator every 3 months. Most recently, Gel Swatch Library was updated on October 16, 2026 and LEE Diffusion Comparator on October 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.*