# ENGINE SFC vs Quick Image PDF Resizer

The clearest difference is ads: ENGINE SFC at none against Quick Image PDF Resizer's shown. ENGINE SFC also leads on update cadence (daily vs every 2 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ENGINE SFC ships an update daily, Quick Image PDF Resizer every 2 days. The most recent releases landed on September 11, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | ENGINE SFC | Quick Image PDF Resizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 2 days |
| Size | 6 MB | 24 MB |
| Requires iOS | 15.2 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oleksii Nezhalskyi](https://appshunter.io/developer/1687730603) | [Tien Nguyen](https://appshunter.io/developer/6779272090) |

## What reviewers say

### ENGINE SFC

[App page](https://appshunter.io/ios/app/engine-sfc/id6469806252)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quick Image PDF Resizer

[App page](https://appshunter.io/ios/app/quick-image-pdf-resizer/id6780742651)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ENGINE SFC free?

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

### Is Quick Image PDF Resizer free?

Quick Image PDF Resizer is free to download, with no in-app purchases.

### Do ENGINE SFC or Quick Image PDF Resizer have ads?

Quick Image PDF Resizer shows ads; ENGINE SFC does not.

### Which is updated more often, ENGINE SFC or Quick Image PDF Resizer?

ENGINE SFC ships an update daily, and Quick Image PDF Resizer every 2 days. Most recently, ENGINE SFC was updated on September 11, 2026 and Quick Image PDF Resizer on September 13, 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.*