# ClearSpace：Clean Storage vs Auto PDF

The clearest difference is ads: ClearSpace：Clean Storage at none against Auto PDF's shown. ClearSpace：Clean Storage also leads on monetization model (free vs ad-supported) and chart position (#94 vs unranked). Auto PDF's advantage is ratings volume (378 vs 20). On price, rating, review sentiment and update cadence 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 — 4.2 for ClearSpace：Clean Storage against 4.3 for Auto PDF. That said, the two scores are not equally well evidenced: Auto PDF has 378 ratings behind it against 20, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

ClearSpace：Clean Storage ships an update every 6 weeks, Auto PDF every 2 months. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | ClearSpace：Clean Storage | Auto PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (20 ratings)](https://appshunter.io/ios/app/clearspaceclean-storage/id6748386594/reviews) | **[4.3 (378 ratings)](https://appshunter.io/ios/app/auto-pdf-ai-ocr-scan-edit/id6751479281/reviews)** |
| Number of ratings | 20 | **378** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Best chart rank | **#94** | — |
| Size | 30 MB | 25 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GOOD STUDY NETWORK TECHNOLOGY LIMITED](https://appshunter.io/developer/1692320790) | [MA CHENG BUSINESS LIMITED](https://appshunter.io/developer/1858830867) |

## What reviewers say

### ClearSpace：Clean Storage

[App page](https://appshunter.io/ios/app/clearspaceclean-storage/id6748386594)

**Currently charting:** #94 Top Free · Utilities (US App Store)

Effortlessly declutter your iPhone with a single tap. This smart manager offers file compression, network monitoring, and customizable widgets for instant device insights. Enjoy a faster, cleaner, and more intuitive mobile experience with smooth animations.

**Highlights:** One-tap phone decluttering, File compression, Network monitoring and optimization, Customizable home screen widgets, Quick-access flashlight, Engaging animations

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

**In-app purchases:** none


### Auto PDF

[App page](https://appshunter.io/ios/app/auto-pdf-ai-ocr-scan-edit/id6751479281)

Transform your phone into a portable scanner and editor. Quickly convert images to PDFs, merge or split documents, and extract text from photos using advanced OCR. Share your files instantly via email or social media.

**Highlights:** Intelligent Scan and Convert, Image to PDF creation, Merge and split PDFs, OCR text extraction, Fast PDF sharing, Built-in QR code scanner

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

**In-app purchases:** none


## Frequently asked questions

### Is ClearSpace：Clean Storage free?

ClearSpace：Clean Storage is free to download, with no in-app purchases.

### Is Auto PDF free?

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

### Which has better reviews, ClearSpace：Clean Storage or Auto PDF?

Auto PDF is rated higher. ClearSpace：Clean Storage averages 4.2 out of 5 from 20 ratings, while Auto PDF averages 4.3 from 378 ratings.

### Do ClearSpace：Clean Storage or Auto PDF have ads?

Auto PDF shows ads; ClearSpace：Clean Storage does not.

### Which is updated more often, ClearSpace：Clean Storage or Auto PDF?

ClearSpace：Clean Storage ships an update every 6 weeks, and Auto PDF every 2 months. Most recently, ClearSpace：Clean Storage was updated on September 23, 2026 and Auto PDF on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*