# Wallpaper Optimizer(WO) vs MellowSnap

The clearest difference is price: MellowSnap at Free against Wallpaper Optimizer(WO)'s $2.99. MellowSnap also leads on review sentiment (100% vs 58%). Wallpaper Optimizer(WO)'s advantage is in-app purchases (none vs 1) and device support (3 vs 1). On update cadence and ads there is nothing between them.

MellowSnap is free to download; Wallpaper Optimizer(WO) costs $2.99 up front. MellowSnap sells 1 one-off in-app purchase. Wallpaper Optimizer(WO) asks for nothing beyond the download.

Wallpaper Optimizer(WO) ships an update fortnightly, MellowSnap every 10 days. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Wallpaper Optimizer(WO) | MellowSnap |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mellowsnap-composition-camera/id6787337109/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 57.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 11 MB | 18 MB |
| Requires iOS | **12.3** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KhunG System](https://appshunter.io/developer/516481496) | [ChanGyu Kang](https://appshunter.io/developer/1869205578) |

## What reviewers say

### Wallpaper Optimizer(WO)

[App page](https://appshunter.io/ios/app/wallpaper-optimizerwo/id775517253)

Easily resize and customize photos to perfectly fit your device's wallpaper and widgets. Fix common issues like the parallax effect and create unique backgrounds with various filters and color options.

**Highlights:** Resize photos to fit screen, Fix parallax effect, Add color backgrounds, Transparent widget support, Blur effects, Extract image from video

**Features:** macOS Compatibility

**In-app purchases:** none


### MellowSnap

[App page](https://appshunter.io/ios/app/mellowsnap-composition-camera/id6787337109)

This app helps you capture and edit photos with atmospheric filters and composition guides. Choose from various presets to enhance your shots before or after taking them, and fine-tune colors and effects for a natural look.

**Highlights:** Camera presets for different moods, Real-time filter preview, Composition guides (Rule of Thirds, Symmetry), Built-in level for straight shots, Photo editing with mood filters, Before/after comparison view, Manual camera controls

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MellowSnap Pro | $3.99 | one-time |


## Frequently asked questions

### Is Wallpaper Optimizer(WO) free?

Wallpaper Optimizer(WO) costs $2.99, with no in-app purchases.

### Is MellowSnap free?

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

### Do Wallpaper Optimizer(WO) or MellowSnap have ads?

Neither Wallpaper Optimizer(WO) nor MellowSnap shows ads.

### Which is updated more often, Wallpaper Optimizer(WO) or MellowSnap?

Wallpaper Optimizer(WO) ships an update fortnightly, and MellowSnap every 10 days. Most recently, Wallpaper Optimizer(WO) was updated on October 1, 2026 and MellowSnap on September 29, 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.*