We released Sleipnir Mobile for iPhone / iPad 4.0 which becomes three times faster and gets better crisp flick operations!

category : for iPhone / iPad


Hello. This is Matsuno, UI designer.

Today, we announce the update of Sleipnir for iOS! Sleipnir Mobile for iPhone / iPad 4.0 adopts new Webkit, it’s improved in speed and reliablity.

In addition, we modified layout for large displays of iPhone 6 / 6 Plus. Also, this version of Sleipnir Mobile for iPhone supports Retina HD display.

Improved speed by new WebKit

JavaScript execution speed has improved in WebKit which was added on iOS 8. Because we adopted the new WebKit, Sleipnir Mobile becomes faster.


Here is the results of JavaScript benchmarks.

  • These values are avarages of five attempts of SunSpider 1.0.2.
  • Used the same Wifi network and iPhone 6 in both benchmark.
  • As of Oct 2014

Raliability has also improved and page rendering becomes more accurate.

Websites which had mojibake problem are now rendered correctly by auto detection of encoding (The feature of changing encoding manually was removed because of iOS specification).

Supported large screen of iPhone 6 / 6 Plus

We optimzied layout for large screens of iPhone 6 / 6 Plus.


Enjoy browsing on large screen of the latest iPhone!

Latest Sleipnir Mobile can show a lot of contents, using all of large screen.

Have you been disappointed at apps which does not support iPhone 6 / 6 Plus?


Larger screen, larger contents area
(compared in physical size)

Supported Retina HD display of iPhone 6 Plus

Sleipnir Mobile now supports the new retina HD display of iPhone 6 Plus.

Contents, icons and tool items are drawn with a great attention to detail. Sleipnir Mobile makes web page beautiful, unclouded in new Retina display which has higher resolution.


Supports new Retina display of iPhone 6

Other improvements

Including above, all of modifications is:

  • Adopted the new Webkit — JavaScript execution becomes three times faster than the previous version
  • Supported the large screen of iPhone 6 / 6 Plus
  • Supported the Retina HD display of iPhone 6 Plus
  • Supported auto detection of text encoding — Note that now you cannot change encoding manually because of iOS specification
  • Improved reliability
  • Improved Site Updates — new layout has better readability of arcicle titles and site titles
  • Supported app extention — you can open app extentions of other apps in action panel
  • Improved accuracy of progressbar
  • Fixed the issue Usual Sites went wrong while Site Updates is empty
  • Fixed the issue that web page loading sometimes failed
  • Fixed the issue the login form of Fenrir Pass sometimes crashed
  • Some configurations are removed corresponding to improving agility and stability

About supported iOS version

In this update, we adopted new features of iOS 8, and improved speed and relability. Thus, supported iOS version is changed to iOS 8 or later.

Please update your device to iOS 8 and surf the web with Sleipnir Mobile which can be operated smoothly by intuitive gestures.

Enjoy Sleipnir Mobile for iPhone / iPad!

Download Sleipnir Mobile on App Store

Social Accounts

We’re tweeting about latest Fenrir product informations on our official Twitter account. Please follow us to stay informed!

On Facebook page of Sleipnir for Mac, we’re posting latest information and communication with users. Please click Like if you like Sleipnir!


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