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yamrzou commented on A guide to reduce screen time   speedbumpapp.com/en/blog/... · Posted by u/nullderef
codethief · 5 months ago
Which Android apps for limiting screen time does the HN crowd recommend? Is there one that doesn't sell your data or request network access? (Ideally of course the app would be open-source but I'm not getting my hopes up.)

I've been wanting to try Digital Wellbeing but it looks like it's still not available for non-Google devices. Or at least it's shown as "not compatible" when accessing the Play Store from GrapheneOS.

yamrzou · 5 months ago
I recommend this one for Android: https://github.com/markusfisch/ScreenTime

It doesn't limit apps, it just displays your screen time in a permanent notification and allows you to view and export past statistics.

I've found that to be very effective. From a systems perspective, it amounts to adding a new feedback loop, similar to this leverage point described by Donella Meadows[1]:

There was this subdivision of identical houses, the story goes, except that for some reason the electric meter in some of the houses was installed in the basement and in others it was installed in the front hall, where the residents could see it constantly, going round faster or slower as they used more or less electricity. With no other change, with identical prices, electricity consumption was 30 percent lower in the houses where the meter was in the front hall.

We systems-heads love that story because it’s an example of a high leverage point in the information structure of the system. It’s not a parameter adjustment, not a strengthening or weakening of an existing loop. It’s a NEW LOOP, delivering feedback to a place where it wasn’t going before.

[1] Leverage Points: Places to Intervene in a System - https://donellameadows.org/archives/leverage-points-places-t...

yamrzou commented on The ADHD body double: A unique tool for getting things done   add.org/the-body-double/... · Posted by u/rzk
antfarm · 5 months ago
I like to listen to https://coffitivity.com to stay concentrated.
yamrzou · 5 months ago
These don't work for me. My brain knows I'm deceiving it, so it doesn't respond to this kind of stimulation.
rzk commented on Cell Phone OPSEC for Border Crossings   schneier.com/blog/archive... · Posted by u/sipofwater
rzk · 5 months ago
GrapheneOS offers good OPSEC against Cellebrite: https://discuss.grapheneos.org/d/14344-cellebrite-premium-ju...

This comment, at the end of the thread, is particularly interesting:

My Pixel 6 was confiscated by the German police after a political rally. I was recently able to pick it up again. From an inquiry with my lawyer, the following emerged: The authorities tried to read the device with both UFED4PC and Cellebrite Premium Touch. In addition, software from other forensic providers was used without success. The software did not succeed in breaking the system. The device was in BFU mode and had a 30-digit PIN. USB port was deactivated. As of March 2025, I can therefore say that it is not possible for Cellebrite to break a secured GrapheneOS.

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u/yamrzou

KarmaCake day18101June 13, 2018View Original