Comparison

Avast Secure Browser vs Lens Smudge Detection

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

Head to head
About

Avast Secure Browser

This browser prioritizes your online privacy and security with built-in VPN, ad-blocking, and data encryption. It protects you from trackers and ISPs, ensuring your browsing is truly private and secure. Enjoy faster browsing without ads and sync your encrypted data across devices.

Highlights
  • Built-in VPN
  • Ad blocker
  • Data encryption
  • Automatic privacy protection
  • Faster browsing
  • Cross-platform sync
Read full description

Over 400 million users trust Avast! Avast Secure Browser is a next generation browser that is designed from the ground up for unparalleled privacy and security with built-in VPN, ad-blocker, and complete data encryption. Did you know other "private browsers" do not actually make you invisible? For real privacy and security, you need built-in VPN and total data encryption. Avast Secure Browser has all the browsing tools you love plus all the privacy tools you need for secure browsing that’s actually private. Download the best encrypted private browser for iOS today! BROWSER FEATURES Automatic Privacy: Avast Secure Browser keeps you hidden from the prying eyes of hackers, trackers, and ISPs. Browse securely with powerful privacy tools such as built-in VPN, ad blocker and full data encryption. Browse Faster Without Ads: Avast Secure Browser automatically blocks ads and trackers that slow you down. Powerful Encryption: Your browsing data is protected and private. This is incognito mode that is actually incognito and convenient. That means your bookmarks, IP address and browsing history are all encrypted and kept private and secure. Built-In VPN: Secure your mobile device and unblock the internet with fast VPN protection. Secure Cross Platform Sync: Sync your encrypted bookmarks and browser history with Avast Secure Browser.

About

Lens Smudge Detection

Features
Read full description

This app can detect images taken with dirt or foreign objects on the lens. Dirt refers to anything covering the lens, such as fingerprints or raindrops, which can cause blurring or haze in images. This feature helps you find the best frames from a set of videos or images. The Lens Smudge Detection results display a confidence score from 0.0 to 1.0. This indicates the likelihood that there was dirt or a malfunction on the lens at the time of shooting. A confidence score of 1.0 means there is a very high probability that dirt or foreign objects were on the lens at the time of shooting. Running the app requires a device with A14 Bionic chips(iPhone 12) and later.

Screenshots

Avast Secure Browser4 screens
Lens Smudge Detection1 screens

Verdict

The call

The clearest difference is in-app purchases: Lens Smudge Detection at none against Avast Secure Browser's 11. Lens Smudge Detection also leads on update cadence (weekly vs every 5 weeks). Avast Secure Browser's advantage is ads (none vs shown) and device support (3 vs 1). On price 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. Avast Secure Browser sells 6 in-app purchases, starting at $4.99 per month. Lens Smudge Detection asks for nothing beyond the download.

UpkeepUpdate frequency

Avast Secure Browser ships an update every 5 weeks, Lens Smudge Detection weekly. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

Scorecard5 real differences · 5 level
Avast Secure Browser versus Lens Smudge Detection: the parameters behind the verdict, then further details
ParameterAvast Secure BrowserLens Smudge Detection
PriceFreeFree
Rating4.7 (2.1K ratings) — better—
Positive reviews79.1% of reviews—
Number of ratings2.1K — better—
Update frequencyEvery 5 weeksWeekly — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better26.5
Further details — not scored
Size110 MB42 MB
Age rating17+4+
DeveloperAVAST Software s.r.oHideaki Uchikoshi

Bugs and requests

Avast Secure Browser

Reported bugs

4 issues
  • Sync issues between mobile and desktop
  • Compatibility problems with certain websites
  • VPN disconnects unexpectedly
  • Ad blocker not working as expected

Requested features

5 requests
  • Dark mode option
  • Improved tab management
  • Sync bookmarks/history across devices
  • More granular privacy controls
  • Better integration with other Avast products

Lens Smudge Detection

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Avast Secure Browser

Subscriptions6
  • Avast Pro 1 Month7 Days trial$4.991 Month
  • Avast Pro 1 Month7 Days trial5 variants$7.491 Month
  • Avast Pro 1 Month7 Days trial$9.991 Month
Show 3 more
  • Avast Pro 12 Months7 Days trial$19.991 Year
  • Avast Pro 12 Months$29.991 Year
  • Avast Pro 12 Months7 Days trial2 variants$29.991 Year
None

Lens Smudge Detection

No in-app purchases

Questions

Is Avast Secure Browser free?
Avast Secure Browser is free to download, with in-app purchases available.
Is Lens Smudge Detection free?
Lens Smudge Detection is free to download, with no in-app purchases.
Do Avast Secure Browser or Lens Smudge Detection have ads?
Lens Smudge Detection shows ads; Avast Secure Browser does not.
Which is updated more often, Avast Secure Browser or Lens Smudge Detection?
Avast Secure Browser ships an update every 5 weeks, and Lens Smudge Detection weekly. Most recently, Avast Secure Browser was updated on September 24, 2026 and Lens Smudge Detection on September 10, 2026.

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