# Vulcan PRO vs Photo Optimizer

The clearest difference is in-app purchases: Vulcan PRO at none against Photo Optimizer's 2. Vulcan PRO also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. Photo Optimizer sells 2 in-app purchases, starting at $2.99 per 7 days. Vulcan PRO asks for nothing beyond the download.

Vulcan PRO ships an update every 3 weeks, Photo Optimizer every 6 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Vulcan PRO | Photo Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (11 ratings)](https://appshunter.io/ios/app/photo-optimizer-clean-storage/id6754819963/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | — | Free |
| Size | 169 MB | 47 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vulcan Augmetics](https://appshunter.io/developer/1713465429) | [Pin Traveler LLC](https://appshunter.io/developer/1569297359) |

## What reviewers say

### Vulcan PRO

[App page](https://appshunter.io/ios/app/vulcan-pro/id6744356986)

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

**In-app purchases:** none


### Photo Optimizer

[App page](https://appshunter.io/ios/app/photo-optimizer-clean-storage/id6754819963)

Free up device storage by intelligently compressing photos and screenshots. This app shrinks image files significantly while preserving visual quality, allowing you to keep more memories without deleting them or relying on cloud storage.

**Highlights:** Intelligent image compression, Shrink photos up to 90%, Batch optimization, Preserves visual quality, On-device processing, Keeps originals untouched

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Annual | $19.99 | per year |


## Frequently asked questions

### Is Vulcan PRO free?

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

### Is Photo Optimizer free?

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

### Do Vulcan PRO or Photo Optimizer have ads?

Photo Optimizer shows ads; Vulcan PRO does not.

### Which is updated more often, Vulcan PRO or Photo Optimizer?

Vulcan PRO ships an update every 3 weeks, and Photo Optimizer every 6 weeks. Most recently, Vulcan PRO was updated on October 28, 2026 and Photo Optimizer 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.*