# Scanner：PDF Document Scanner vs Clenium

The clearest difference is rating: Scanner：PDF Document Scanner at 4.8 against Clenium's 4.6. Clenium's advantage is ratings volume (183 vs 6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Scanner：PDF Document Scanner sells 8 in-app purchases, starting at $6.99 per 7 days and Clenium sells 4 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scanner：PDF Document Scanner holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Clenium has 183 ratings behind it against 6, so its average is the more settled of the two.

Scanner：PDF Document Scanner ships an update every 2 weeks, Clenium every 8 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Scanner：PDF Document Scanner | Clenium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/scannerpdf-document-scanner/id6744929950/reviews)** | [4.6 (183 ratings)](https://appshunter.io/ios/app/clenium-storage-cleaner/id6751726064/reviews) |
| Number of ratings | 6 | **183** |
| Positive reviews | — | 63.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 37 MB | 36 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [SCAN MASTER](https://appshunter.io/developer/1809975077) | [Mobuly LTD](https://appshunter.io/developer/1836455478) |

## What reviewers say

### Scanner：PDF Document Scanner

[App page](https://appshunter.io/ios/app/scannerpdf-document-scanner/id6744929950)

Easily scan documents, IDs, photos, and barcodes into digital files. Organize, edit, and share your scans as images or PDFs. Convert Word documents to PDF with a single tap.

**Highlights:** Scan documents, IDs, and photos, Scan barcodes and QR codes, Import and edit existing files, Convert Word to PDF, Organize and share scans, OCR functionality

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $6.99 | per 7 days |
| Weekly 3-day Pro | $6.99 | per 7 days |
| Weekly Pro 2 | $8.99 | per 7 days |
| Weekly Pro – 3-Day Free Trial | $8.99 | per 7 days |
| Monthly Pro | $9.99 | per month |
| Yearly Pro | $24.99 | per year |
| Yearly 3-day Pro | $24.99 | per year |
| Lifetime | $39.99 | one-time |


### Clenium

[App page](https://appshunter.io/ios/app/clenium-storage-cleaner/id6751726064)

This app helps you free up storage space on your iPhone by identifying and deleting duplicate or similar photos, compressing videos, and organizing your contacts. It offers a quick and safe way to declutter your device, boost performance, and protect your private media.

**Highlights:** Smart Photo Cleaner, Video Compression, Contact Organizer, One-Tap Smart Clean, Secret Vault, Performance Boost

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite | $7.99 | per 7 days |
| Lite no trial | $7.99 | per 7 days |
| Pro | $9.99 | per 7 days |
| Pro no trial | $9.99 | per 7 days |


## Frequently asked questions

### Is Scanner：PDF Document Scanner free?

Scanner：PDF Document Scanner is free to download, with in-app purchases available.

### Is Clenium free?

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

### Which has better reviews, Scanner：PDF Document Scanner or Clenium?

Scanner：PDF Document Scanner is rated higher. Scanner：PDF Document Scanner averages 4.8 out of 5 from 6 ratings, while Clenium averages 4.6 from 183 ratings.

### Do Scanner：PDF Document Scanner or Clenium have ads?

Neither Scanner：PDF Document Scanner nor Clenium shows ads.

### Which is updated more often, Scanner：PDF Document Scanner or Clenium?

Scanner：PDF Document Scanner ships an update every 2 weeks, and Clenium every 8 days. Most recently, Scanner：PDF Document Scanner was updated on October 30, 2026 and Clenium on November 5, 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.*