Comparison

PDF Reader vs Storage Clean

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PDF Reader

Transform your smartphone into a powerful PDF scanner and editor. Easily convert images and documents to PDF, or convert PDFs to other formats. Protect your files with encryption and share them securely.

Highlights
  • Scan documents
  • Convert images to PDF
  • Convert PDF to other formats
  • Crop image sizes
  • Share documents
  • Add watermark
  • File encryption
Features
Read full description

Turbo PDF: Scanner & Editor is a highly reliable scanner application that effectively transforms your smartphone into a robust PDF scanner. This application enables seamless conversion of photos and pictures into PDF format with a simple and convenient touch function. Features of the Turbo PDF: Scanner & Editor Scan your documents, crop image sizes. Convert images to PDF format. Convert pdf to other formats. Efficient and user-friendly scanning experience with a quick and convenient interface. Share documents via social media, add watermark. File encryption to protect your privacy. By using our app you can seamlessly convert photos and documents to PDF, or convert pdf to other file formats. Turbo PDF: Scanner & Editor is the premier PDF converter that makes working with scanned documents extremely easy. Privacy Policy: https://www.turbopdftool.com/privacyPolicy.html For any feedback or queries, please contact us at mailto:turbopdf@outlook.com

About

Storage Clean

This app helps you free up iPhone storage by intelligently cleaning duplicate contacts and similar photos. It uses AI to identify and remove redundant media, offering multiple cleaning modes and a simple interface for efficient device management.

Highlights
  • Duplicate contact organization
  • AI-powered photo cleaning
  • Batch photo deletion
  • Multiple cleaning modes
  • Simple, one-click operation
  • Local data processing
Features
Read full description

Are you still worried about insufficient iPhone memory, messy albums, and duplicate contacts? Storage Clean solves all your problems and fully upgrades your mobile phone experience! Precise organization of duplicate contacts Quickly scan the address book to find duplicate contact information, say goodbye to chaos, and make the contact list simple and efficient. Running out of iPhone storage? Messy photo albums and duplicate contacts bothering you? Storage Clean is your all-in-one storage solution to boost your iPhone performance effortlessly. Fast Duplicate Contact Cleaner Quickly scan your contacts and merge or delete duplicate entries in one tap. Keep your contact list neat, organized and easy to manage. AI Similar Photo Cleaner Powered by smart AI, the app automatically detects similar photos, burst shots and blurry images. Preview and select in batch, remove redundant photos while keeping your precious memories safe. Media & Video Storage Saver Multiple cleanup modes for photos and videos. Compress and clear useless media files to reclaim huge storage space with simple taps. Simple & Secure Operation Clean minimalist interface, one-click scan and one-click cleanup for everyone. Strict data protection ensures all your photos and contacts stay safe and private. Download Storage Clean now to give your iPhone a deep cleaning, so that the phone runs as smooth as a new phone and the performance is always online! This application does not upload user contacts to the server, nor does it perform any cloud storage or transmission; all processing is done locally on the device. Privacy Policy:https://similarphotoclean.com/privacyPolicy.html Terms of Service:https://similarphotoclean.com/termsOfService.html

Screenshots

PDF Reader4 screens
Storage Clean4 screens

Verdict

The call

The clearest difference is review sentiment: Storage Clean at 100% against PDF Reader's 61%. Storage Clean also leads on ads (none vs shown). PDF Reader's advantage is in-app purchases (none vs 6) and rating (4.8 vs 4.5). On price, ratings volume and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Storage Clean sells 5 in-app purchases, starting at $3.99 per 7 days. PDF Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PDF Reader holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 3.2K and 1.1K respectively. Written reviews complicate that: 61% of PDF Reader's written reviews are positive against 100% of Storage Clean's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

PDF Reader ships an update weekly, Storage Clean every 3 weeks. Both last shipped on September 22, 2026.

Scorecard7 real differences · 3 level
PDF Reader versus Storage Clean: the parameters behind the verdict, then further details
ParameterPDF ReaderStorage Clean
PriceFreeFree
Rating4.8 (3.2K ratings) — better4.5 (1.1K ratings)
Positive reviews61.3% of reviews100.0% of reviews — better
Number of ratings3.2K — better1.1K
Update frequencyWeekly — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size70 MB31 MB
Age rating4+4+
DeveloperSPARK TECH LIMITEDC-JM LIMITED

Customer experience

PDF Reader

All ratings3,157 ratings
Positive94.8%
Neutral1.8%
Negative3.3%
Written reviews31 reviews
Positive61.3%
Neutral0.0%
Negative38.7%

Storage Clean

All ratings1,125 ratings
Positive87.4%
Neutral6.2%
Negative6.4%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

PDF Reader

Reported bugs

3 issues
  • Login issues
  • Compatibility problems with newer devices
  • Frequent crashes and freezes

Requested features

3 requests
  • More customization options
  • Improved privacy controls
  • Better customer support

Storage Clean

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

PDF Reader

No in-app purchases

5 purchases

Storage Clean

Subscriptions5
  • Weekly Member7 Days trial$3.997 Days
  • Weekly Member$3.997 Days
  • Monthly Member7 Days trial$9.991 Month
Show 2 more
  • Monthly Member$9.991 Month
  • Yearly Member2 variants$34.991 Year

Questions

Is PDF Reader free?
PDF Reader is free to download, with no in-app purchases.
Is Storage Clean free?
Storage Clean is free to download, with in-app purchases available.
Which has better reviews, PDF Reader or Storage Clean?
PDF Reader is rated higher. PDF Reader averages 4.8 out of 5 from 3.2K ratings, while Storage Clean averages 4.5 from 1.1K ratings.
Do PDF Reader or Storage Clean have ads?
PDF Reader shows ads; Storage Clean does not.
Which is updated more often, PDF Reader or Storage Clean?
PDF Reader ships an update weekly, and Storage Clean every 3 weeks. Most recently, PDF Reader was updated on September 22, 2026 and Storage Clean on September 22, 2026.

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