Koala Browser vs Netzilo Secure Browser
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Koala Browser
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.
- Automatic color temperature adjustment
- Blue light filtering
- Download and view files
- Darkness Boost for low brightness
- Private browsing
- Multiple browser tabs
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Sleep better with Koala™! A faster web browser with downloads, that improves the quality of your sleep! Research has demonstrated that nighttime light exposure suppresses the production of melatonin, the major hormone that controls sleep and wake cycles. The "blue", short-wavelength light is the most melatonin-suppressive, and is also emitted by devices such as televisions, computer screens, and cellphones. (Note: Koala dimming effect only works while inside the app!) The Koala™ Web Browser filters out the blue light to create a healthy, energizing sleep cycle. It is the first web browser that cares about your sleep quality! Koala™ makes the color of your iDevice display adapt to the time of day, warm at night and like sunlight during the day. All automatically! FEATURES * Automatically adjust the color temperature depending on your local time and sunset/sunrise times * DOWNLOAD and view files! * Darkness Boost for lower brightness during the night * Multiple browser tabs * Private browsing * History and Bookmarks * Sharing to Twitter, Facebook, Email, Text, WhatsApp etc * Select search engine (Google, Yahoo!, Bing, DuckDuckGo) * More features coming soon!
Netzilo Secure Browser
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.
- Enterprise browser functionality
- Enhanced web security
- Secure web access management
- Part of the Netzilo platform
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Netzilo Secure Browser is used as part of Netzilo platform to turn the web browser into an enterprise browser
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Koala Browser | Netzilo Secure Browser |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (284 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 32.2% of reviews | — |
| Number of ratings | 284 — better | 3 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 20 MB | 5 MB |
| Age rating | 17+ | 4+ |
| Developer | AppRebel, Inc. | Netzilo Inc. |
Customer experience
Koala Browser
Netzilo Secure Browser
Bugs and requests
Koala Browser
Reported bugs
3 issues- Keyboard not dimmed
- Videos not properly filtered
- Inconsistent behavior when switching apps
Requested features
3 requests- Ability to filter blue light system-wide
- Option to adjust brightness/darkness level
- Support for more search engines beyond Google
Netzilo Secure Browser
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Koala Browser
- Remove Ads$2.99
Netzilo Secure Browser
No in-app purchases
Questions
Is Koala Browser free?
Is Netzilo Secure Browser free?
Which has better reviews, Koala Browser or Netzilo Secure Browser?
Do Koala Browser or Netzilo Secure Browser have ads?
Which is updated more often, Koala Browser or Netzilo Secure Browser?
Other comparisons
