# Wallpaper Optimizer(WO) vs SecondPhoto

The clearest difference is price: SecondPhoto at Free against Wallpaper Optimizer(WO)'s $2.99. SecondPhoto also leads on review sentiment (91% vs 58%) and update cadence (weekly vs fortnightly). Wallpaper Optimizer(WO)'s advantage is in-app purchases (none vs 2) and iOS requirement (12.3 vs 26.0). On ads and device support there is nothing between them.

SecondPhoto is free to download; Wallpaper Optimizer(WO) costs $2.99 up front. SecondPhoto sells 2 in-app purchases, starting at $1.99 per month. Wallpaper Optimizer(WO) asks for nothing beyond the download.

Wallpaper Optimizer(WO) ships an update fortnightly, SecondPhoto weekly. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Wallpaper Optimizer(WO) | SecondPhoto |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 57.6% of reviews | **90.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Paid | **Freemium** |
| Size | 11 MB | 66 MB |
| Requires iOS | **12.3** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KhunG System](https://appshunter.io/developer/516481496) | [Plum Co.](https://appshunter.io/developer/1710979433) |

## 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


### SecondPhoto

[App page](https://appshunter.io/ios/app/secondphoto-camera-album/id6774628006)

Organize and secure personal photos and videos in a separate library. Features include PIN lock, decoy mode, file renaming, and watermarking. Sync across devices with iCloud.

**Highlights:** Separate photo library, Album organization, File renaming and editing, PIN lock and decoy mode, Location/EXIF data removal, In-app camera, Watermarking, iCloud sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SecondPhoto+ Monthly | $1.99 | per month |
| SecondPhoto+ Yearly | $11.99 | per year |


## Frequently asked questions

### Is Wallpaper Optimizer(WO) free?

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

### Is SecondPhoto free?

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

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

Neither Wallpaper Optimizer(WO) nor SecondPhoto shows ads.

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

Wallpaper Optimizer(WO) ships an update fortnightly, and SecondPhoto weekly. Most recently, Wallpaper Optimizer(WO) was updated on November 11, 2026 and SecondPhoto on November 10, 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.*