# PicDiff vs HL365

The clearest difference is in-app purchases: HL365 at none against PicDiff's 1. HL365 also leads on ads (none vs shown) and update cadence (every 9 days vs monthly). PicDiff's advantage is iOS requirement (12.0 vs 14.0). On price and device support there is nothing between them.

Both are free to download. PicDiff sells 1 one-off in-app purchase. HL365 asks for nothing beyond the download.

PicDiff ships an update monthly, HL365 every 9 days. The most recent releases landed on August 26, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PicDiff | HL365 |
| --- | --- | --- |
| 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 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 71 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aceca Corp.](https://appshunter.io/developer/983165401) | [HITACHI-LG DATA STORAGE, INC.](https://appshunter.io/developer/1592640268) |

## 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 |


### HL365

[App page](https://appshunter.io/ios/app/hl365/id1659817118)

**In-app purchases:** none


## Frequently asked questions

### Is PicDiff free?

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

### Is HL365 free?

HL365 is free to download, with no in-app purchases.

### Do PicDiff or HL365 have ads?

PicDiff shows ads; HL365 does not.

### Which is updated more often, PicDiff or HL365?

PicDiff ships an update monthly, and HL365 every 9 days. Most recently, PicDiff was updated on August 26, 2026 and HL365 on September 17, 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.*