# PicDiff vs CompareImage

The clearest difference is review sentiment: PicDiff at 67% against CompareImage's 0%. PicDiff also leads on rating (4.5 vs 1.0) and update cadence (monthly vs every 5 months). CompareImage's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. PicDiff sells 1 one-off in-app purchase. CompareImage asks for nothing beyond the download.

PicDiff holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 67% of PicDiff's written reviews are positive against 0% of CompareImage's.

PicDiff ships an update monthly, CompareImage every 5 months. Both last shipped on August 26, 2026.

## The numbers

| Metric | PicDiff | CompareImage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/picdiff/id1266238855/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/compareimage/id1311736859/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 23 MB | 5 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aceca Corp.](https://appshunter.io/developer/983165401) | [gangadhar goud](https://appshunter.io/developer/898647800) |

## What reviewers say

### 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 |


### CompareImage

[App page](https://appshunter.io/ios/app/compareimage/id1311736859)

Easily compare two images side-by-side to decide which one is better. Delete unwanted pictures directly within the app to keep your device organized with only your best photos.

**Highlights:** Side-by-side image comparison, Delete unwanted images, Organize photo library, User-friendly interface

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

**In-app purchases:** none


## Frequently asked questions

### Is PicDiff free?

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

### Is CompareImage free?

CompareImage is free to download, with no in-app purchases.

### Which has better reviews, PicDiff or CompareImage?

PicDiff is rated higher. PicDiff averages 4.5 out of 5 from 2 ratings, while CompareImage averages 1.0 from 2 ratings.

### Do PicDiff or CompareImage have ads?

Both PicDiff and CompareImage show ads.

### Which is updated more often, PicDiff or CompareImage?

PicDiff ships an update monthly, and CompareImage every 5 months. Most recently, PicDiff was updated on August 26, 2026 and CompareImage on August 26, 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.*