The party also advocates for a 'doomscrolling cap' to prevent endless content feeds and a 'doomscroll ban' or time limits on addictive apps for children.
Victoria Collins, the Lib Dem science and technology spokesperson, will present these plans, citing documented risks of excessive app use for young people, including mental health issues and sleep disruption.
Liberal Democrat leader Sir Ed Davey has previously called for Ofcom to investigate Elon Musk's X platform over child abuse and self-harm content.
Polling commissioned by the Lib Dems found that 80 per cent of parents of school-aged children reported negative behaviours in young people due to excessive phone usage.