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HiOSMobile is being replaced by Harmony

We are announcing that from May 31st 2025, HiOSMobile will no longer be updated, and this site will be taken down.

This is in light of the development of our new successor to HiOSMobile, named Harmony, which is developed with Flutter, meaning it is easier to maintain and is cross-platform, so the same codebase will work on any device.

We sincerely apologise if we have caused you any inconvenience with this, and we want to thank you for being a valued user of the HiOSMobile apps.

Best wishes,
The HiDev Team @ The Highland Cafe™

Visit Harmony site

Are you a iPhone user or an Windows Phone user?

You can use a web version of our app!

Try HiOSMobile Lite by The Highland Cafe™ Enterprises

Click the button below to try it out!

HiOSMobile Lite

Now Installable!

You can now install HiOSMobile Lite as it was a native app, right from your browser!

How to Install HiOSMobile Lite

On iPhone

  1. First, open this page in Safari.
  2. Tap on the blue button above that says 'HiOSMobile Lite'.
  3. Once you're on that page, tap the share icon at the bottom. Scroll down slightly, and you should see a Add to Home Screen option. Tap that.
  4. HiOSMobile Lite is now installed! You can launch it by going to the homescreen and tapping the 'HiOSMobile Lite' icon.

On Android

We recommend installing the full HiOSMobile app on Android for the best experience, however, you can still install this version instead.

  1. First, open this page in Google Chrome.
  2. Tap on the blue button that says 'HiOSMobile Lite' above.
  3. There should be a popup banner at the bottom of the page that says 'Install'. Tap that. Alternatively, if that banner goes away, tap the three-dot icon at the top right of the screen, and tap Install.
  4. To access the app, just go to your home screen and tap on HiOSMobile Lite. It works almost as if it is a native Android app!

How to update HiOSMobile Lite

On iPhone

  1. Remove 'HiOSMobile Lite' from the homescreen.
  2. Next, follow the steps above to re-install HiOSMobile Lite.

On Android

  1. Visit the HiOSMobile Lite website, via the big blue button above.
  2. Tap the shield icon at the top left, then tap Site Data, then tap the bin icon to clear the site data.