Comparison

FKey Browser vs US Browser

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

Head to head
About

FKey Browser

This web browser is designed for iOS devices, offering specialized keyboard support for sending function keys. It's particularly useful for accessing certain mainframe emulators and websites that require F-key input. Users can access custom configurations through ads or a subscription for unlimited, ad-free use.

Highlights
  • F-Key keyboard support
  • Mainframe emulator compatibility
  • Custom keyboard configurations
  • Rewarded ad access
  • Subscription for unlimited access
  • Ad-free experience with subscription
Features
Read full description

Looking for a way to send F-Keys through a web browser on IOS? This Web Browser is built with function key keyboard support for some 5250 IBM Main Frame web emulators and other websites that require function key input. Our standard keyboard configuration is free for all users to use on any website. PREMIUM WEBSITE CUSTOM KEYBOARD CONFIGURATIONS Some websites are built a little different from standard. To work with these sites, we have worked with users to develop custom configurations to properly send F-Keys to these non-standard websites. To use these Custom Keyboard Configurations, you will need to watch a rewarded ad for temporary access or subscribe for unlimited access without ads. A custom keyboard configuration has been built and tested with CN Rail CATS website (we are not affiliated with CN). For more information on Custom Keyboard Configurations, please see https://fkeybrowser.freshdesk.com/a/solutions/articles/72000521227 SUBSCRIPTION INFO FKey Keyboards now allows you to purchase a subscription to have unlimited access to Custom keyboard Configurations and remove all App ads. Subscriptions with a free trial period will automatically renew to a paid subscription. You can cancel your subscription in the iTunes settings at least 24-hours before the end of the free trial period. Subscription payments will be charged to your iTunes Account at confirmation of your purchase and upon commencement of each renewal term. Please note: any unused portion of a free trial period (if offered) will be forfeited when you purchase a premium subscription during the free trial period. You can cancel a free trial or subscription anytime by cancelling your subscription through your iTunes account settings. This must be done 24 hours before the end of a free trial or subscription period to avoid being charged. The cancellation will take effect the day after the last day of the current subscription period, and you will be downgraded to the free service. Terms of Service: https://www.fkeybrowser.com/terms.html Privacy policy: https://www.fkeybrowser.com/privacy.html Have a feature request you would like to see in a future version of the app, or have a website that requires a Custom Keyboard Configuration? Do not hesitate to contact us at support@fkeybrowser.com

About

US Browser

A secure and fast mobile web browser designed for privacy. It offers ad and virus blocking, an intelligent search, and a minimalist interface for a comfortable browsing experience.

Highlights
  • Ad and virus blocking
  • Intelligent search
  • Incognito protection
  • Minimalist interface
  • Dark mode
  • Quick website organization
Features
Read full description

US Browser focuses on designing a secure web browser. Built for mobile, it offers lightning-fast search capabilities, giving you the best iOS browsing experience and making your browsing more comfortable. It is your most personal and safest browser, blocks ads and viruses, and conveniently browse any web page you want to visit. The main function: [New Design] Minimalist interface, focused and efficient browsing [Intelligent Search] Massive and accurate association words, you can get it with one search [Incognito Protection] All-round protection of your access privacy【Ad Blocking】Ad and virus blocking, worry-free online 【Quick website】Ordinary website organization, providing the most convenient browsing service 【Dark Mode】Protect your eyes at night and reduce discomfort when browsing the web Payment will be charged to your iTunes Account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off 24-hours before the end of the current period. Accounts will be charged for renewal within 24 hours of the end of the current period, and renewal fees will be provided. Subscriptions can be managed by the user. Auto-renewal may be turned off by going to the user's Account Settings after purchase. During the active subscription period, cancellation of the current subscription is not allowed. About more information: Privacy Policy: https://crystalline-primula-a5f.notion.site/Privacy-Policy-103e27451c304f119f228658f8a928a8 EULA: https://crystalline-primula-a5f.notion.site/EULA-e97efa185f5b41419aeae252e49be9d5 If you have more ideas or comments, please contact us: wanneng0201@163.com

Screenshots

FKey Browser4 screens
US Browser3 screens

Verdict

The call

The clearest difference is rating: US Browser at 4.2 against FKey Browser's 2.6. US Browser also leads on update cadence (every 2 days vs every 3 months) and iOS requirement (11.0 vs 15.0). On price, review sentiment, ratings volume 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. FKey Browser sells 1 in-app purchase, starting at $3.99 per month and US Browser sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

US Browser holds the better App Store score, 4.2 against 2.6. Both are backed by a comparable volume of ratings — 5 and 9 respectively. Written reviews split almost evenly too, at 36% and 36% positive.

UpkeepUpdate frequency

FKey Browser ships an update every 3 months, US Browser every 2 days. The most recent releases landed on September 22, 2026 and September 28, 2026 respectively.

Scorecard3 real differences · 7 level
FKey Browser versus US Browser: the parameters behind the verdict, then further details
ParameterFKey BrowserUS Browser
PriceFreeFree
Rating2.6 (5 ratings)4.2 (9 ratings) — better
Positive reviews35.7% of reviews36.4% of reviews — better
Number of ratings59 — better
Update frequencyEvery 3 monthsEvery 2 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size50 MB79 MB
Age rating17+17+
DeveloperMicah WallaceSi Yong Limited

Customer experience

FKey Browser

All ratings5 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews14 reviews
Positive35.7%
Neutral7.1%
Negative57.1%

US Browser

All ratings9 ratings
Positive77.8%
Neutral0.0%
Negative22.2%
Written reviews22 reviews
Positive36.4%
Neutral4.5%
Negative59.1%

In-app purchases

1 purchases

FKey Browser

Subscriptions1
  • FKey Browser Ad Free14 Days trial$3.991 Month
4 purchases

US Browser

Subscriptions4
  • Week Vip7 Days trial$0.997 Days
  • Month Vip3 Days trial$2.491 Month
  • Quarter Vip$6.993 Months
Show 1 more
  • Year Vip7 Days trial$17.991 Year

Questions

Is FKey Browser free?
FKey Browser is free to download, with in-app purchases available.
Is US Browser free?
US Browser is free to download, with in-app purchases available.
Which has better reviews, FKey Browser or US Browser?
US Browser is rated higher. FKey Browser averages 2.6 out of 5 from 5 ratings, while US Browser averages 4.2 from 9 ratings.
Do FKey Browser or US Browser have ads?
Both FKey Browser and US Browser show ads.
Which is updated more often, FKey Browser or US Browser?
FKey Browser ships an update every 3 months, and US Browser every 2 days. Most recently, FKey Browser was updated on September 22, 2026 and US Browser on September 28, 2026.

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