# Duo Browsers vs Cydog Browser

The clearest difference is rating: Duo Browsers at 4.0 against Cydog Browser's 3.3. Duo Browsers also leads on iOS requirement (9.0 vs 15.0). Cydog Browser's advantage is update cadence (every 10 days vs monthly) and device support (4 vs 1). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Duo Browsers sells 1 one-off in-app purchase and Cydog Browser sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Duo Browsers holds the better App Store score, 4.0 against 3.3. Both are backed by a comparable volume of ratings — 5 and 10 respectively. Written reviews point the same way: 50% of Duo Browsers's written reviews are positive against 44% of Cydog Browser's.

Duo Browsers ships an update monthly, Cydog Browser every 10 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Duo Browsers | Cydog Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/duo-browsers/id863916194/reviews)** | [3.3 (10 ratings)](https://appshunter.io/ios/app/cydog-browser/id1563014942/reviews) |
| Number of ratings | 5 | **10** |
| Positive reviews | **50.0% of reviews** | 44.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 11 MB | 80 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [Ratha Sou](https://appshunter.io/developer/590343618) | [Matthew Benchimol](https://appshunter.io/developer/1543638141) |

## What reviewers say

### Duo Browsers

[App page](https://appshunter.io/ios/app/duo-browsers/id863916194)

This app allows for simultaneous web browsing on a single device, enabling users to multitask across different websites. It offers dynamic window resizing and a customizable interface for an enhanced browsing experience.

**Highlights:** Dynamic resizable browser windows, Multi-website browsing simultaneously, Customizable interface colors, Horizontal or vertical split view, Fast switching between single/multi windows, iCloud bookmark backup

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Cydog Browser

[App page](https://appshunter.io/ios/app/cydog-browser/id1563014942)

This mobile browser enhances security with customizable features and an offline database for storing internet content. It offers a dedicated search with numerous engines and advanced encryption technologies to protect against cyber threats. An iMessage extension allows for secure, encrypted messaging.

**Highlights:** Enhanced mobile browser security, Offline database for internet content, Encrypted bookmarks and pictomarks, 40+ search engine integration, Proprietary anti-cookie and firewall tech, Deterrence decryption feature, Secure iMessage extension

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cydog Walled Garden | $0.99 | one-time |
| Cydog Wall Watcher | $0.99 | one-time |
| Cydog Injector | $0.99 | one-time |
| Cydog Iconography | $0.99 | one-time |


## Frequently asked questions

### Is Duo Browsers free?

Duo Browsers is free to download, with in-app purchases available.

### Is Cydog Browser free?

Cydog Browser is free to download, with in-app purchases available.

### Which has better reviews, Duo Browsers or Cydog Browser?

Duo Browsers is rated higher. Duo Browsers averages 4.0 out of 5 from 5 ratings, while Cydog Browser averages 3.3 from 10 ratings.

### Do Duo Browsers or Cydog Browser have ads?

Neither Duo Browsers nor Cydog Browser shows ads.

### Which is updated more often, Duo Browsers or Cydog Browser?

Duo Browsers ships an update monthly, and Cydog Browser every 10 days. Most recently, Duo Browsers was updated on October 23, 2026 and Cydog Browser on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*