# PicDiff vs かんたん照合

The clearest difference is in-app purchases: かんたん照合 at none against PicDiff's 1. かんたん照合 also leads on ads (none vs shown). PicDiff's advantage is update cadence (monthly vs every 3 months) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. PicDiff sells 1 one-off in-app purchase. かんたん照合 asks for nothing beyond the download.

PicDiff ships an update monthly, かんたん照合 every 3 months. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PicDiff | かんたん照合 |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 0 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aceca Corp.](https://appshunter.io/developer/983165401) | [cos](https://appshunter.io/developer/1641675069) |

## 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 |


### かんたん照合

[App page](https://appshunter.io/ios/app/id6503721361)

**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 かんたん照合 free?

かんたん照合 is free to download, with no in-app purchases.

### Do PicDiff or かんたん照合 have ads?

PicDiff shows ads; かんたん照合 does not.

### Which is updated more often, PicDiff or かんたん照合?

PicDiff ships an update monthly, and かんたん照合 every 3 months. Most recently, PicDiff was updated on October 11, 2026 and かんたん照合 on October 9, 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.*