# Space Optimizer 2026 vs PDFly

The clearest difference is update cadence: Space Optimizer 2026 at every 5 days against PDFly's every 10 days. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Space Optimizer 2026 against 5.0 for PDFly. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Space Optimizer 2026 ships an update every 5 days, PDFly every 10 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Space Optimizer 2026 | PDFly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/space-optimizer-2026/id6754082060/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/pdfly-pdf-editor-and-scanner/id6754668284/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 10 days |
| Monetization | — | Ad-supported |
| Size | 32 MB | 36 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Souart Limited](https://appshunter.io/developer/1697110259) | [野 徐](https://appshunter.io/developer/1742671206) |

## What reviewers say

### Space Optimizer 2026

[App page](https://appshunter.io/ios/app/space-optimizer-2026/id6754082060)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDFly

[App page](https://appshunter.io/ios/app/pdfly-pdf-editor-and-scanner/id6754668284)

Transform photos and documents into professional PDFs with powerful OCR and editing tools. Manage your files securely and efficiently, online or offline. This app simplifies your document workflow for any use.

**Highlights:** Scan documents to PDF, Convert images to PDF, OCR text recognition, Edit PDF text and add annotations, Secure file management with passwords, Online and offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Space Optimizer 2026 free?

Space Optimizer 2026 is free to download, with no in-app purchases.

### Is PDFly free?

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

### Which has better reviews, Space Optimizer 2026 or PDFly?

Space Optimizer 2026 and PDFly are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Space Optimizer 2026 or PDFly have ads?

Both Space Optimizer 2026 and PDFly show ads.

### Which is updated more often, Space Optimizer 2026 or PDFly?

Space Optimizer 2026 ships an update every 5 days, and PDFly every 10 days. Most recently, Space Optimizer 2026 was updated on October 24, 2026 and PDFly on October 22, 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.*