# Doodo vs Knack

The clearest difference is review sentiment: Knack at 100% against Doodo's 67%. Knack also leads on rating (4.8 vs 4.3). Doodo's advantage is iOS requirement (13.0 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 4.3. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews point the same way: 67% of Doodo's written reviews are positive against 100% of Knack's.

Doodo ships an update every 3 months, Knack every 2 months. The most recent releases landed on October 5, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Doodo | Knack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/doodo-private-search-engine/id1551804341/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/knack-secure-browser/id6466105634/reviews)** |
| Number of ratings | **6** | 4 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 21 MB | 114 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Doodo global initiative private limited](https://appshunter.io/developer/1551804343) | [Keep Aware, Inc.](https://appshunter.io/developer/1696984646) |

## What reviewers say

### Doodo

[App page](https://appshunter.io/ios/app/doodo-private-search-engine/id1551804341)

This search engine prioritizes user privacy by delivering accurate results without saving search history. It aims to provide a clean and improved browsing experience, challenging the notion that internet privacy is impossible.

**Highlights:** Accurate search results, No search history saved, Privacy-focused, Improved design, Secure browsing

**Features:** macOS Compatibility

**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 Doodo free?

Doodo 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, Doodo or Knack?

Knack is rated higher. Doodo averages 4.3 out of 5 from 6 ratings, while Knack averages 4.8 from 4 ratings.

### Do Doodo or Knack have ads?

Neither Doodo nor Knack shows ads.

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

Doodo ships an update every 3 months, and Knack every 2 months. Most recently, Doodo was updated on October 5, 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.*