# Simple Negative Image vs Viddy

The clearest difference is in-app purchases: Simple Negative Image at none against Viddy's 2. Simple Negative Image also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). Viddy's advantage is ads (none vs shown) and update cadence (every 2 days vs every 2 months). On price there is nothing between them.

Both are free to download. Viddy sells 2 in-app purchases, starting at $9.99 per month. Simple Negative Image asks for nothing beyond the download.

Simple Negative Image ships an update every 2 months, Viddy every 2 days. The most recent releases landed on October 12, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Simple Negative Image | Viddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (115 ratings)](https://appshunter.io/ios/app/simple-negative-image/id6444569227/reviews)** | — |
| Number of ratings | **115** | — |
| Positive reviews | 56.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 34 MB | 7 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) | [Vanessa Reliford](https://appshunter.io/developer/6788920495) |

## 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


### Viddy

[App page](https://appshunter.io/ios/app/viddy-plan/id6796148201)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Viddy Artist Monthly | $9.99 | per month |
| Viddy Artist Annual | $59.99 | per year |


## Frequently asked questions

### Is Simple Negative Image free?

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

### Is Viddy free?

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

### Do Simple Negative Image or Viddy have ads?

Simple Negative Image shows ads; Viddy does not.

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

Simple Negative Image ships an update every 2 months, and Viddy every 2 days. Most recently, Simple Negative Image was updated on October 12, 2026 and Viddy on September 30, 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.*