# Portrait Silhouette vs DiffPic

The clearest difference is ads: DiffPic at none against Portrait Silhouette's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

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

Portrait Silhouette ships an update every 3 months, DiffPic every 6 months. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Portrait Silhouette | DiffPic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/diffpic/id6751864280/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | — | Free |
| Size | 18 MB | 23 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MITSUKO MARGOT KUBOTA ONO](https://appshunter.io/developer/1799524637) | [Christopher Brown](https://appshunter.io/developer/1837291767) |

## What reviewers say

### Portrait Silhouette

[App page](https://appshunter.io/ios/app/portrait-silhouette/id6749816797)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### DiffPic

[App page](https://appshunter.io/ios/app/diffpic/id6751864280)

Easily track visual progress with before-and-after photo comparisons. Automatically calculate time differences between images to document transformations in fitness, home renovation, and more. Share your journey instantly while keeping your photos private on your device.

**Highlights:** Smart photo comparison, Automatic time tracking, Flexible layout options, Instant social sharing, Privacy-first design, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Watermark | $0.99 | one-time |


## Frequently asked questions

### Is Portrait Silhouette free?

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

### Is DiffPic free?

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

### Do Portrait Silhouette or DiffPic have ads?

Portrait Silhouette shows ads; DiffPic does not.

### Which is updated more often, Portrait Silhouette or DiffPic?

Portrait Silhouette ships an update every 3 months, and DiffPic every 6 months. Most recently, Portrait Silhouette was updated on October 9, 2026 and DiffPic on October 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.*