# Avast Secure Browser vs Lens Smudge Detection

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.

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.

Avast Secure Browser ships an update every 5 weeks, Lens Smudge Detection weekly. The most recent releases landed on September 26, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Avast Secure Browser | Lens Smudge Detection |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.1K ratings)](https://appshunter.io/ios/app/avast-secure-browser/id1517761023/reviews)** | — |
| Number of ratings | **2.1K** | — |
| Positive reviews | 79.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 42 MB |
| Requires iOS | **15.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [AVAST Software s.r.o](https://appshunter.io/developer/568017534) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Avast Secure Browser

[App page](https://appshunter.io/ios/app/avast-secure-browser/id1517761023)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Avast Pro 1 Month | $4.99 | per month |
| Avast Pro 1 Month | $7.49 | per month |
| Avast Pro 1 Month | $9.99 | per month |
| Avast Pro 12 Months | $19.99 | per year |
| Avast Pro 12 Months | $29.99 | per year |
| Avast Pro 12 Months | $29.99 | per year |

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Secure and private
- 👍 User-friendly
- 🚀 Quick and responsive
- 👍 Excellent protection

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 💰 Paywall for premium features
- 🔋 Can slow down device performance
- 🔍 Limited customization options
- 🤖 Aggressive ad/upsell tactics

**Reported bugs**

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

**Requested features**

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


### Lens Smudge Detection

[App page](https://appshunter.io/ios/app/lens-smudge-detection/id6771600873)

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

**In-app purchases:** none


## Frequently asked 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 26, 2026 and Lens Smudge Detection on September 10, 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.*