Luis Merchan vs Simple Negative Image
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Luis Merchan
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.
- 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
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Lumenoscope is a digital optical artifact, an instrument that allows to observe both the visible and hidden dimensions of light in real time. It's similar to other optical devices like the telescope, microscope, periscope and other such instruments, that help to discover and unlock the secrets of the world and the universe. *************** FEATURES: Use of four modes of observation in real time: - Touch & Slide: Slide your finger - FULL: Full Screen - HALF: 50 - 50 - NORMAL * Take photos and save on your Photo Library or share on Twitter, Facebook and Email. * You can load photos from your device and use them with the 4 modes. * Front and back Camera. * Universal App.
Simple Negative Image
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.
- Invert image colors
- Create unique images
- Generate art-like visuals
- Process images easily
- Invert negatives and positives
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A simple function application that only inverts the color of the image By inverting colors and inverting negatives and positives, you can create unique images and tasteful art-like images. For those who want to process images easily
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Luis Merchan | Simple Negative Image |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (11 ratings) | 4.5 (115 ratings) — better |
| Positive reviews | 83.3% of reviews — better | 56.3% of reviews |
| Number of ratings | 11 | 115 — better |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 5.1.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 9 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Luis Merchan | Ryouhei Azuma |
Customer experience
Luis Merchan
Simple Negative Image
In-app purchases
Luis Merchan
No in-app purchases
Simple Negative Image
No in-app purchases
Questions
Is Luis Merchan free?
Is Simple Negative Image free?
Which has better reviews, Luis Merchan or Simple Negative Image?
Do Luis Merchan or Simple Negative Image have ads?
Which is updated more often, Luis Merchan or Simple Negative Image?
Other comparisons
