# Koala Browser vs Netzilo Secure Browser

The clearest difference is rating: Netzilo Secure Browser at 5.0 against Koala Browser's 2.9. Netzilo Secure Browser also leads on in-app purchases (none vs 1) and update cadence (weekly vs every 2 months). Koala Browser's advantage is ratings volume (284 vs 3) and iOS requirement (8.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Koala Browser sells 1 one-off in-app purchase. Netzilo Secure Browser asks for nothing beyond the download.

Netzilo Secure Browser holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Koala Browser has 284 ratings behind it against 3, so its average is the more settled of the two.

Koala Browser ships an update every 2 months, Netzilo Secure Browser weekly. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Koala Browser | Netzilo Secure Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (284 ratings)](https://appshunter.io/ios/app/koala-browser-sleep-better/id788474204/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/netzilo-secure-browser/id6740890085/reviews)** |
| Number of ratings | **284** | 3 |
| Positive reviews | 32.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 5 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [AppRebel, Inc.](https://appshunter.io/developer/1227876283) | [Netzilo Inc.](https://appshunter.io/developer/1794749381) |

## What reviewers say

### Koala Browser

[App page](https://appshunter.io/ios/app/koala-browser-sleep-better/id788474204)

This web browser is designed to improve sleep quality by filtering out blue light emitted from device screens. It automatically adjusts display colors based on the time of day, creating a warmer tone at night to promote melatonin production.

**Highlights:** Automatic color temperature adjustment, Blue light filtering, Download and view files, Darkness Boost for low brightness, Private browsing, Multiple browser tabs

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |

**What reviewers like**

- 🚀 Reduces blue light
- 👍 Helpful for late night browsing
- 🌙 Restful on the eyes

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔋 Drains battery
- 💸 Excessive ads
- 🔒 Limited to browser only

**Reported bugs**

- Keyboard not dimmed
- Videos not properly filtered
- Inconsistent behavior when switching apps

**Requested features**

- Ability to filter blue light system-wide
- Option to adjust brightness/darkness level
- Support for more search engines beyond Google


### Netzilo Secure Browser

[App page](https://appshunter.io/ios/app/netzilo-secure-browser/id6740890085)

This application transforms a standard web browser into a secure, enterprise-grade tool. It's designed for businesses to manage web access and enhance security for their employees.

**Highlights:** Enterprise browser functionality, Enhanced web security, Secure web access management, Part of the Netzilo platform

**Features:** Safari Extension

**In-app purchases:** none


## Frequently asked questions

### Is Koala Browser free?

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

### Is Netzilo Secure Browser free?

Netzilo Secure Browser is free to download, with no in-app purchases.

### Which has better reviews, Koala Browser or Netzilo Secure Browser?

Netzilo Secure Browser is rated higher. Koala Browser averages 2.9 out of 5 from 284 ratings, while Netzilo Secure Browser averages 5.0 from 3 ratings.

### Do Koala Browser or Netzilo Secure Browser have ads?

Neither Koala Browser nor Netzilo Secure Browser shows ads.

### Which is updated more often, Koala Browser or Netzilo Secure Browser?

Koala Browser ships an update every 2 months, and Netzilo Secure Browser weekly. Most recently, Koala Browser was updated on October 13, 2026 and Netzilo Secure Browser on October 3, 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.*