How much time, and how it feels
Teenagers are online almost all the time. In Pew Research Center's survey of 13 to 17 year olds in autumn 2025, 40% said they are online almost constantly, and about one in five said so of TikTok and of YouTube specifically. The US Surgeon General's 2023 advisory reported that eighth and tenth graders spent an average of 3.5 hours a day on social media, and that adolescents spending more than three hours a day faced double the risk of symptoms of depression and anxiety.
Teenagers are not naive about it. In Pew's 2025 report on teens and mental health, 48% said social media has a mostly negative effect on people their age, up from 32% in 2022, and 45% said they spend too much time on it. Only 14% said the effect on them personally is mostly negative, a gap that is itself worth noticing.
What the evidence points at
Averages across the whole population are small: a review of the meta-analyses by Appel, Marker and Gnambs put the links between intensity of use and wellbeing "in the r = .10 range". The sharper findings are about particular experiences. A 2019 meta-analysis by Yoon and colleagues found that comparing yourself with others on social networks, especially with people who seem to be doing better, was more strongly related to depression than time spent. Our longer reading of the research is in what the research on social media harm says.
For teenagers the features that make comparison easy are the core of most platforms: photos of other people's lives, counts of likes and followers, public profiles, and feeds that rank what gets seen.
The response so far: delay
Jonathan Haidt's 2024 book The Anxious Generation proposed four norms that many parent groups and schools have since adopted: no smartphones before high school, no social media before 16, phone-free schools, and more independence, free play and responsibility in the real world.
Australia went further and made an age rule law. Under the Online Safety Amendment (Social Media Minimum Age) Act 2024, from 10 December 2025 age-restricted social media platforms must take reasonable steps to prevent Australians under 16 from creating or keeping an account. The eSafety Commissioner reported that platforms had removed access to 4.7 million under-16 accounts by mid-December 2025.
Delay is a sensible answer to products that were not designed for teenagers. It leaves open a second question, which is what a product designed with the evidence in mind would look like, for the day a teenager does join something social.
The design brief
Read as a brief, the evidence asks a social app to leave out:
- Pictures of other people's lives. The raw material of upward comparison.
- Counts. Likes, followers, views: numbers that turn friendship into a ranking.
- Public audiences. Profiles that strangers can browse, and posts that travel beyond the people who know you.
- Ranked, endless feeds. Passive scrolling with no end and an algorithm choosing what matters.
- Contact without consent. Messages and group additions from people a teenager did not choose.
And it would have to keep something worth having: a sense that the people you care about are there, and how they are.
Where weathr is, and where it is not
weathr is built without most of that list. You say how you are with one tap, one of five weather symbols, and a group's moods become a sky. There are no photos, likes, follower counts, public profiles, ranked feed or direct messages, and nobody can put you in a group without your yes: an invitation is never accepted on your behalf.
It is not a finished answer for teenagers, and we would rather say so than be quoted saying otherwise. weathr has not set a minimum age, has no age verification and no parental controls. Channels can be found by search, and members can write short text posts, moderated by the channel's owner and by reports. We do not claim weathr is outside the norms or laws above; that is for parents, schools and regulators to judge. What we can claim is narrower and checkable: the features the evidence points at are not in the app.
For a parent, the more immediate use may be the family itself: see how to know if your teenager is okay without reading their phone.
Sources
- Faverio and Sidoti, Pew Research Center (2025). Teens, Social Media and AI Chatbots 2025.
- Faverio, Anderson and Park, Pew Research Center (2025). Teens, Social Media and Mental Health.
- Office of the US Surgeon General (2023). Social Media and Youth Mental Health.
- Appel, Marker and Gnambs (2020). Are social media ruining our lives? Review of General Psychology 24(1). doi:10.1177/1089268019880891
- Yoon, Kleinman, Mertz and Brannick (2019). Journal of Affective Disorders 248. doi:10.1016/j.jad.2019.01.026
- Haidt (2024). The Anxious Generation. The four norms.
- eSafety Commissioner. Social media age restrictions; Online Safety Amendment (Social Media Minimum Age) Act 2024.