# Simple Negative Image vs Sil Nun Cam

The clearest difference is in-app purchases: Simple Negative Image at none against Sil Nun Cam's 1. Simple Negative Image also leads on device support (3 vs 1). Sil Nun Cam's advantage is ads (none vs shown) and update cadence (every 3 days vs every 2 months). On price and iOS requirement there is nothing between them.

Both are free to download. Sil Nun Cam sells 1 one-off in-app purchase. Simple Negative Image asks for nothing beyond the download.

Simple Negative Image ships an update every 2 months, Sil Nun Cam every 3 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Simple Negative Image | Sil Nun Cam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (122 ratings)](https://appshunter.io/ios/app/simple-negative-image/id6444569227/reviews)** | — |
| Number of ratings | **122** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 34 MB | 1 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) | [minwoo kim](https://appshunter.io/developer/1894249327) |

## What reviewers say

### 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


### Sil Nun Cam

[App page](https://appshunter.io/ios/app/sil-nun-cam/id6763790998)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 실눈캠 프리미엄 | $1.99 | one-time |


## Frequently asked questions

### Is Simple Negative Image free?

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

### Is Sil Nun Cam free?

Sil Nun Cam is free to download, with in-app purchases available.

### Do Simple Negative Image or Sil Nun Cam have ads?

Simple Negative Image shows ads; Sil Nun Cam does not.

### Which is updated more often, Simple Negative Image or Sil Nun Cam?

Simple Negative Image ships an update every 2 months, and Sil Nun Cam every 3 days. Most recently, Simple Negative Image was updated on October 30, 2026 and Sil Nun Cam on October 28, 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.*