# ProSurf vs Knack

The clearest difference is review sentiment: Knack at 100% against ProSurf's 50%. Knack also leads on rating (4.8 vs 3.2). ProSurf's advantage is iOS requirement (12.0 vs 16.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Knack holds the better App Store score, 4.8 against 3.2. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews point the same way: 50% of ProSurf's written reviews are positive against 100% of Knack's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 8, 2026 and July 28, 2026 respectively.

## The numbers

| Metric | ProSurf | Knack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (6 ratings)](https://appshunter.io/ios/app/prosurf-kiosk-browser/id1437278425/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/knack-secure-browser/id6466105634/reviews)** |
| Number of ratings | **6** | 4 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 31 MB | 114 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Promobi Technologies](https://appshunter.io/developer/1165286706) | [Keep Aware, Inc.](https://appshunter.io/developer/1696984646) |

## What reviewers say

### ProSurf

[App page](https://appshunter.io/ios/app/prosurf-kiosk-browser/id1437278425)

This app transforms your iOS device into a secure kiosk by restricting access to only approved websites. It offers extensive customization to create a controlled browsing environment for business use.

**Highlights:** Lockdown to specific websites, Hide address bar, Incognito mode, Single & Multi-tab support, Control navigation, Clear cache and cookies

**Features:** Vision Pro support

**In-app purchases:** none


### Knack

[App page](https://appshunter.io/ios/app/knack-secure-browser/id6466105634)

This secure work browser for iOS focuses on human-centric security to prevent threats at the point-of-click. It analyzes how information is presented and user interaction to create a safer browsing experience for professionals.

**Highlights:** Human-centric security approach, Threat prevention at point-of-click, Analysis of information presentation, Analysis of user interaction, Designed for iOS devices

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is ProSurf free?

ProSurf is free to download, with no in-app purchases.

### Is Knack free?

Knack is free to download, with no in-app purchases.

### Which has better reviews, ProSurf or Knack?

Knack is rated higher. ProSurf averages 3.2 out of 5 from 6 ratings, while Knack averages 4.8 from 4 ratings.

### Do ProSurf or Knack have ads?

Neither ProSurf nor Knack shows ads.

### Which is updated more often, ProSurf or Knack?

ProSurf ships an update every 2 months, and Knack every 2 months. Most recently, ProSurf was updated on August 8, 2026 and Knack on July 28, 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.*