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Comment by donboscow | Hacker News Reader

You mean to say Telegram is smoother than other apps? Will try it out. In general, would you say that Qt is supposed to work just as buttery smooth and native on Mac or iPhone as a native app? And will an OS built on Qt like Ubuntu Touch will be as smooth and beautifully craftable as iOS apps on iPhone?

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> You mean to say Telegram is smoother than other apps?

If those other apps are using Electron then yes; Telegram is smoother.

> In general, would you say that Qt is supposed to work just as buttery smooth and native on Mac or iPhone as a native app?

Yes. No difference in RAM, Disk, or CPU usage than any other native app.

> And will an OS built on Qt like Ubuntu Touch will be as smooth and beautifully craftable as iOS apps on iPhone?

Yes. One example is AsteriodOS which is an OS for smartwatches built using Qt. [0]

[0] https://asteroidos.org/

If you observe the Ubuntu Touch videos on YouTube, you will find that the animations, the graphics are not smooth and seamless, they stall, they freeze, they lag. Do you reckon it is more due to low end hardware underlying those phones as opposed to a fundamental problem?

Hard to say if it'll be as smooth as iPhone, but my experience with PinePhone shows that Qt-based environments (Ubuntu Touch, SailfishOS, even KDE) are way smoother than Phosh, which is based on Gtk. PinePhone isn't the most powerful phone out there, but I'd risk saying that SailfishOS is pretty smooth on it.

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