Comparison

Flash Doc Scanner vs Fast Clean

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

Head to head
About

Flash Doc Scanner

This app transforms your iPhone into a powerful scanning tool. Quickly convert physical documents, receipts, and notes into high-quality PDFs. It also features QR code scanning and secure, private use without registration.

Highlights
  • Lightning-fast document scanning
  • Convert to high-quality PDFs
  • QR/Barcode recognition
  • Private and secure, no registration
  • Batch processing for multiple pages
  • Easy sharing via email and social media
Features
Read full description

Flash Doc Scanner: Smart & Efficient – Your Portable Scanning Expert! Say goodbye to complexity and hello to efficiency! Flash Doc Scanner is designed for iOS users, a powerful and easy-to-use scanning app with no registration required, instantly upgrading your iPhone. Key Features: Lightning-Fast Document Scan: Quickly convert physical documents, receipts, notes, and more into crisp, high-quality PDF files. Smart recognition ensures flawless scans every time. All-in-One QR/Barcode Recognition: Beyond documents, swiftly scan and decode various QR codes and barcodes for more convenient information retrieval. Private & Secure, No Registration: Download and use instantly, without needing to provide any personal information, ensuring a pure and secure scanning experience. Batch Processing, Time-Saving: Easily capture multiple pages and automatically merge them into a single PDF, significantly boosting your productivity. Easy Sharing, Seamless Collaboration: Share your scanned documents and QR code information rapidly via email, social media, and other platforms. Flash Doc Scanner makes your mobile work and life smarter and more efficient! Download now for ultimate convenience.

About

Fast Clean

This utility app uses AI to help you free up storage space on your device by identifying and removing similar photos, screenshots, and duplicate contacts. It also offers tools for compressing media, checking network speed, and managing privacy.

Highlights
  • AI-powered duplicate photo detection
  • Screenshot and video cleanup
  • Duplicate contact removal
  • Private photo and video storage
  • Photo and video compression
  • Network speed test
  • Home screen widgets
Features
Currently charting
Read full description

Your phone feeling a little crowded? Let Fast Clean give it a fresh start — smart, simple, and powered by AI to help you stay organized without the effort. One-Tap Smart Cleaning Fast Clean quickly finds things you might want to tidy up: - Similar photos - Random screenshots - Space-hungry videos - Duplicate contacts Just tap once and clear the clutter — fast and easy. AI Cleaning Suggestions Fast Clean gives you simple, personalized suggestions like: "Why is my iPhone storage full even though I deleted apps?" "How do I make my iPhone battery last all day?" "How do I manage app permissions for camera, mic, and location?" No pressure, just helpful recommendations so you can manage your iPhone smarter. Private Space Have photos you prefer to keep separate? Store them in Private Space so they stay organized and away from your main photo album. Tools You’ll Actually Use Fast Clean also comes with a small toolbox for daily tasks: - Compress photos & videos to save extra space - IP lookup - Network speed test - Charging animations - Home screen widgets Why People Like Fast Clean It keeps your phone feeling lighter, cleaner, and easier to use. No complicated steps, no stress — just quick tools that help your device feel refreshed. Give your phone a little love. Download Fast Clean and clean the smart way.

Screenshots

Flash Doc Scanner4 screens
Fast Clean4 screens

Verdict

The call

The clearest difference is rating: Fast Clean at 4.2 against Flash Doc Scanner's 3.1. Fast Clean also leads on update cadence (every 5 days vs every 2 months) and chart position (#112 vs unranked). On price, review sentiment, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Fast Clean holds the better App Store score, 4.2 against 3.1. That said, the two scores are not equally well evidenced: Fast Clean has 71 ratings behind it against 10, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

Flash Doc Scanner ships an update every 2 months, Fast Clean every 5 days. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

Scorecard4 real differences · 7 level
Flash Doc Scanner versus Fast Clean: the parameters behind the verdict, then further details
ParameterFlash Doc ScannerFast Clean
PriceFreeFree
Rating3.1 (10 ratings)4.2 (71 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings1071 — better
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank—#112 — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS1414.0
Further details — not scored
Size73 MB134 MB
Age rating4+4+
DeveloperJOYWE NETWORK TECH LIMITEDMARVELS NETWORK TECHNOLOGY LIMITED.CO

Customer experience

Flash Doc Scanner

All ratings10 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Fast Clean

All ratings24 ratings
Positive91.7%
Neutral4.2%
Negative4.2%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Flash Doc Scanner

No in-app purchases

None

Fast Clean

No in-app purchases

Questions

Is Flash Doc Scanner free?
Flash Doc Scanner is free to download, with no in-app purchases.
Is Fast Clean free?
Fast Clean is free to download, with no in-app purchases.
Which has better reviews, Flash Doc Scanner or Fast Clean?
Fast Clean is rated higher. Flash Doc Scanner averages 3.1 out of 5 from 10 ratings, while Fast Clean averages 4.2 from 71 ratings.
Do Flash Doc Scanner or Fast Clean have ads?
Neither Flash Doc Scanner nor Fast Clean shows ads.
Which is updated more often, Flash Doc Scanner or Fast Clean?
Flash Doc Scanner ships an update every 2 months, and Fast Clean every 5 days. Most recently, Flash Doc Scanner was updated on November 7, 2026 and Fast Clean on November 9, 2026.

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