# Image Superposition vs PicDiff

The clearest difference is ads: Image Superposition at none against PicDiff's shown. Image Superposition also leads on iOS requirement (10.0 vs 12.0). PicDiff's advantage is update cadence (monthly vs every 12 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Image Superposition sells 1 one-off in-app purchase and PicDiff sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Image Superposition ships an update every 12 months, PicDiff monthly. The most recent releases landed on September 18, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Image Superposition | PicDiff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/picdiff/id1266238855/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 23 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Kazansky](https://appshunter.io/developer/1204477443) | [Aceca Corp.](https://appshunter.io/developer/983165401) |

## What reviewers say

### Image Superposition

[App page](https://appshunter.io/ios/app/image-superposition/id1226666996)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy a coffee for the developer | $0.99 | one-time |


### PicDiff

[App page](https://appshunter.io/ios/app/picdiff/id1266238855)

Compare photos with precision by overlaying two images. Analyze subtle differences down to the pixel with an intuitive and user-friendly interface, perfect for professionals and enthusiasts alike.

**Highlights:** Overlay comparisons, Pixel-level precision, User-friendly interface, In-depth photo analysis, Subtle variation detection

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade | $17.99 | one-time |


## Frequently asked questions

### Is Image Superposition free?

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

### Is PicDiff free?

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

### Do Image Superposition or PicDiff have ads?

PicDiff shows ads; Image Superposition does not.

### Which is updated more often, Image Superposition or PicDiff?

Image Superposition ships an update every 12 months, and PicDiff monthly. Most recently, Image Superposition was updated on September 18, 2026 and PicDiff on September 25, 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.*