Comparison

Knō vs Private Browser

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Knō

This app helps you manage and share your latest contact information with friends, clients, and colleagues. It ensures your contacts always have your updated details and notifies you of their changes. You maintain complete control over your data, deciding what to share and with whom.

Highlights
  • Share updated contact information
  • Receive contact updates from others
  • Control data sharing per profile
  • QR code for vCard sharing
  • Import/export vCards
  • Multi-profile organization
Read full description

Keeping track of the best way to reach your friends, clients and colleagues is getting more time consuming, and our app lets you to connect with people you know personally and professionally, and ensure they always have your latest contact information. You will also get notified of any changes made by your contacts and allow your own address book to receive their updates. Most importantly, we have developed our app so that you are always in control of your data. Outside of your registered email and phone number to create an account, we don't store your contact list, their personal information, nor yours. Unlike other services that keep your data offshore, we don't store any of your data. We simply act as a data broker and send your data to whomever you tell us to. You can decide with whom you share information, can stop sharing or change the information you share with someone at any time. We believe in privacy so strongly, that we store nothing beyond the email(s) that you register with us. We love our customers, but we really don't need to know your info. - You can now add people who don't have the app to a profile group and they'll receive an email with your vCard for that profile when you notify people - Download or share your vCard in our QR format and use it on websites, business cards or anywhere you want NEVER. LOSE. CONTACT. Getting the most out of the Knō App. - Use the 4 profiles to group your family, friends, co-workers and others - Control what contact information you wish to share in each profile - Choose to just save your updates and/or who to notify after an edit to a profile - Use our QR Code feature to quickly scan new contacts or share your info - Import vCards you receive easily via Knō - If needed, manually add someone using the '+' button on the Contact List - Invite your friends and colleagues using the quick INVITE button on the Contact List - When a Knō contact updates their contact information, the next time you open the app their contact details will automatically update - Import people from your phone's address book into Knō easily from the Settings page - Switch Knō to another language without having to change your phone's language We support Arabic, Chinese, Danish, English, French, German, Greek, Hindi, Italian, Japanese, Portuguese, Russian, Spanish, Turkish

About

Private Browser

Browse the web privately and securely with a built-in VPN. Enjoy ad-free browsing, protect your IP address, and encrypt your internet traffic. Offers advanced privacy tools and a distraction-free experience.

Highlights
  • Built-in VPN
  • Private browsing
  • Ad blocker
  • Encrypts web traffic
  • Hides IP address
  • No-logs policy
Features
Read full description

Ghost Private Browser – Browse Privately, Stay Secure Browse safely and privately with Ghost Private Browser — your secure browser with a built-in VPN for iPhone. Enjoy private, ad-free browsing without trackers, logs, or unwanted interruptions. Why Choose Ghost Private Browser Unlike Chrome, Safari, or Firefox, Ghost Private Browser ensures your online activity stays private. Your browsing history, cookies, and IP address remain protected from ISPs, advertisers, and public Wi-Fi networks. With integrated VPN, ad blocking, and privacy tools, you stay in control of your data. Layers of Protection Encrypts all web traffic and hides your real IP for total online privacy. Connect securely to fast, reliable VPN servers around the world. Built-in ad blocker removes intrusive ads and trackers. No data limits or throttling — just smooth, private browsing. Choose your search engine, enable dark mode, or use reader mode anytime. Premium Features Unlimited VPN for iPhone and iPad with 1,000+ secure servers. Automatically blocks cookie consent and GDPR pop-ups. Full control over privacy: clear cookies, disable logs, and manage data. Super Ad Block for a cleaner, distraction-free browsing experience. Speed-optimized network for fast, stable connections. Set Ghost as your default browser for continuous privacy protection. FAQ – Common Questions Q: What is a VPN and how does it work? A: A VPN encrypts your internet connection and routes it through secure servers, protecting your IP and data. Q: Why use a VPN for iPhone? A: To protect your privacy, avoid tracking, and secure your information on public Wi-Fi. Q: Is it legal to use a VPN in the USA? A: Yes. Using a VPN is completely legal in the United States. Q: Will a VPN slow down my speed? A: Our optimized servers minimize speed loss for smooth performance. Q: Does Ghost Private Browser keep logs? A: No. We follow a strict no-logs policy and never track your browsing activity. Q: Can I use Ghost VPN on multiple devices? A: Yes. Ghost Private Browser works on iPhone and iPad with one subscription. Q: Does a VPN protect me on public Wi-Fi? A: Absolutely. It encrypts your connection to prevent unauthorized access. Q: Is Ghost Private Browser safe? A: Yes. It combines VPN encryption, ad blocking, and privacy tools for a secure online experience. Subscription Information Payment is charged to your iTunes account at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before renewal. Manage or cancel anytime in your Account Settings. Any unused portion of a free trial is forfeited when a subscription starts. Privacy and Terms Privacy Policy: http://ghostprivatebrowser.com/privacy-policy/ Terms of Use: http://ghostprivatebrowser.com/terms-of-use/

Screenshots

Knō4 screens
Private Browser4 screens

Verdict

The call

The clearest difference is in-app purchases: Knō at none against Private Browser's 6. Knō also leads on update cadence (fortnightly vs every 3 months) and review sentiment (100% vs 76%). Private Browser's advantage is device support (4 vs 2). On price and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Private Browser sells 6 in-app purchases, starting at $5.99 per 7 days. Knō asks for nothing beyond the download.

UpkeepUpdate frequency

Knō ships an update fortnightly, Private Browser every 3 months. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

Scorecard6 real differences · 4 level
Knō versus Private Browser: the parameters behind the verdict, then further details
ParameterKnōPrivate Browser
PriceFreeFree
Rating—3.7 (10 ratings) — better
Positive reviews100.0% of reviews — better76.2% of reviews
Number of ratings—10 — better
Update frequencyFortnightly — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS9.0 — better13
Further details — not scored
Size100 MB42 MB
Age rating4+17+
DeveloperknoUnicorn VPN LLC

Customer experience

Knō

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Private Browser

All ratings10 ratings
Positive70.0%
Neutral0.0%
Negative30.0%
Written reviews21 reviews
Positive76.2%
Neutral0.0%
Negative23.8%

In-app purchases

None

Knō

No in-app purchases

6 purchases

Private Browser

Subscriptions6
  • Weekly Subscription$5.997 Days
  • Weekly + Free Trial7 Days trial$8.997 Days
  • Monthly Subscription$29.991 Month
Show 3 more
  • Monthly Browser Subscription7 Days trial$37.991 Month
  • Yearly Subscription$149.991 Year
  • Yearly: Private Browser$299.991 Year

Questions

Is Knō free?
Knō is free to download, with no in-app purchases.
Is Private Browser free?
Private Browser is free to download, with in-app purchases available.
Do Knō or Private Browser have ads?
Neither Knō nor Private Browser shows ads.
Which is updated more often, Knō or Private Browser?
Knō ships an update fortnightly, and Private Browser every 3 months. Most recently, Knō was updated on October 13, 2026 and Private Browser on September 29, 2026.

Other comparisons