# SwiftPDF vs Lumirox Optimizer

The clearest difference is in-app purchases: SwiftPDF at none against Lumirox Optimizer's 2. SwiftPDF also leads on iOS requirement (13.0 vs 15.6). Lumirox Optimizer's advantage is update cadence (weekly vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. Lumirox Optimizer sells 2 in-app purchases, starting at $10.99 per 7 days. SwiftPDF asks for nothing beyond the download.

SwiftPDF ships an update every 13 months, Lumirox Optimizer weekly. The most recent releases landed on October 12, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | SwiftPDF | Lumirox Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/lumirox-optimizer/id6763063077/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 44 MB | 79 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [IINTERGO PTE. LTD.](https://appshunter.io/developer/1703199328) | [ENRG SYSTEMS, SRL](https://appshunter.io/developer/1895144841) |

## What reviewers say

### SwiftPDF

[App page](https://appshunter.io/ios/app/swiftpdf/id6747748418)

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

**In-app purchases:** none


### Lumirox Optimizer

[App page](https://appshunter.io/ios/app/lumirox-optimizer/id6763063077)

Streamline your iPhone with a single tap. This app intelligently finds and removes duplicate photos, large videos, and forgotten screenshots. It also offers secure local storage for sensitive files and provides quick insights into your device's performance.

**Highlights:** One-tap phone cleaning, Duplicate photo detection, Large video removal, Secure local file storage, Wi-Fi and cellular speed tests, Device performance insights

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $10.99 | per 7 days |
| Quarterly Premium | $69.99 | per 3 months |


## Frequently asked questions

### Is SwiftPDF free?

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

### Is Lumirox Optimizer free?

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

### Do SwiftPDF or Lumirox Optimizer have ads?

Neither SwiftPDF nor Lumirox Optimizer shows ads.

### Which is updated more often, SwiftPDF or Lumirox Optimizer?

SwiftPDF ships an update every 13 months, and Lumirox Optimizer weekly. Most recently, SwiftPDF was updated on October 12, 2026 and Lumirox Optimizer on September 28, 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.*