# Luis Merchan vs Simple Negative Image

The clearest difference is rating: Simple Negative Image at 4.5 against Luis Merchan's 3.4. Simple Negative Image also leads on ratings volume (115 vs 11). Luis Merchan's advantage is ads (none vs shown) and review sentiment (83% vs 56%). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Simple Negative Image holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: Simple Negative Image has 115 ratings behind it against 11, so its average is the more settled of the two. Written reviews complicate that: 83% of Luis Merchan's written reviews are positive against 56% of Simple Negative Image's, so the app with the better star average is not the one people write more warmly about.

Luis Merchan ships an update monthly, Simple Negative Image every 2 months. The most recent releases landed on September 23, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Luis Merchan | Simple Negative Image |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (11 ratings)](https://appshunter.io/ios/app/luis-merchan/id709158055/reviews) | **[4.5 (115 ratings)](https://appshunter.io/ios/app/simple-negative-image/id6444569227/reviews)** |
| Number of ratings | 11 | **115** |
| Positive reviews | **83.3% of reviews** | 56.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 9 MB | 34 MB |
| Requires iOS | **5.1.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Luis Merchan](https://appshunter.io/developer/1227874664) | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) |

## What reviewers say

### Luis Merchan

[App page](https://appshunter.io/ios/app/luis-merchan/id709158055)

This app acts as a digital optical instrument, letting you explore light in real-time. It offers various viewing modes and allows you to capture and share images, or load your own photos for analysis. It supports both front and back cameras.

**Highlights:** Real-time light observation, Four viewing modes (Touch & Slide, FULL, HALF, NORMAL), Capture and save photos, Share photos to social media and email, Load and analyze existing photos, Front and back camera support

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Negative Image

[App page](https://appshunter.io/ios/app/simple-negative-image/id6444569227)

Easily invert image colors to create unique artistic effects. This tool allows for the inversion of negatives and positives, transforming ordinary photos into tasteful art-like creations. Perfect for users seeking straightforward image processing.

**Highlights:** Invert image colors, Create unique images, Generate art-like visuals, Process images easily, Invert negatives and positives

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

**In-app purchases:** none


## Frequently asked questions

### Is Luis Merchan free?

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

### Is Simple Negative Image free?

Simple Negative Image is free to download, with no in-app purchases.

### Which has better reviews, Luis Merchan or Simple Negative Image?

Simple Negative Image is rated higher. Luis Merchan averages 3.4 out of 5 from 11 ratings, while Simple Negative Image averages 4.5 from 115 ratings.

### Do Luis Merchan or Simple Negative Image have ads?

Simple Negative Image shows ads; Luis Merchan does not.

### Which is updated more often, Luis Merchan or Simple Negative Image?

Luis Merchan ships an update monthly, and Simple Negative Image every 2 months. Most recently, Luis Merchan was updated on September 23, 2026 and Simple Negative Image on October 17, 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.*