# Ninja Browser for iPhone vs Knack

The clearest difference is review sentiment: Knack at 100% against Ninja Browser for iPhone's 50%. Knack also leads on ads (none vs shown) and monetization model (free vs ad-supported). Ninja Browser for iPhone's advantage is update cadence (fortnightly vs every 2 months) and rating (5.0 vs 4.8). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

Ninja Browser for iPhone holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews complicate that: 50% of Ninja Browser for iPhone's written reviews are positive against 100% of Knack's, so the app with the better star average is not the one people write more warmly about.

Ninja Browser for iPhone ships an update fortnightly, Knack every 2 months. The most recent releases landed on October 4, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Ninja Browser for iPhone | Knack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ninja-browser-for-iphone/id1050555322/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/knack-secure-browser/id6466105634/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 20 MB | 114 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Sho Kurozumi](https://appshunter.io/developer/796307880) | [Keep Aware, Inc.](https://appshunter.io/developer/1696984646) |

## What reviewers say

### Ninja Browser for iPhone

[App page](https://appshunter.io/ios/app/ninja-browser-for-iphone/id1050555322)

Quickly conceal your browsing activity with a simple gesture. This app allows you to hide your screen instantly without any audible cues, ensuring your privacy is maintained.

**Highlights:** Instant screen hiding, Gesture controls (flick or multi-finger touch), Silent operation, Privacy enhancement

**Features:** macOS Compatibility, 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 Ninja Browser for iPhone free?

Ninja Browser for iPhone 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, Ninja Browser for iPhone or Knack?

Ninja Browser for iPhone is rated higher. Ninja Browser for iPhone averages 5.0 out of 5 from 3 ratings, while Knack averages 4.8 from 4 ratings.

### Do Ninja Browser for iPhone or Knack have ads?

Ninja Browser for iPhone shows ads; Knack does not.

### Which is updated more often, Ninja Browser for iPhone or Knack?

Ninja Browser for iPhone ships an update fortnightly, and Knack every 2 months. Most recently, Ninja Browser for iPhone was updated on October 4, 2026 and Knack on September 26, 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.*