Life360 delivered net income of $US150.8 million ($A212.7 million) in calendar 2025, compared to a $US4.6 million ($A6.5 million) loss in 2024.
"2025 was a landmark year for Life360," CEO Lauren Antonoff said on Tuesday in an earnings call from San Francisco.
However, the US-Australia listed group's profit result was boosted by a one-off tax benefit and would fall to $US32.7 million ($A46.1 million) with that stripped out.
Total revenue for the year climbed to $US489.5 million ($A690.5 million), up 32 per cent, on the back of higher subscriptions income as the group continued to convert 'freemium' users to paid.
Most of Life360's revenue upside came from its users in the US, where its penetration is about 16 per cent.
But Australia sits in the top three non-US markets with 14 per cent penetration, behind the UK on 12 per cent and Canada on five per cent.
Ms Antonoff said the numbers for these "triple tier" markets show there is a runway for growth across the countries, where there is strong interest in digital safety.
In terms of monthly active non-US users, Australia comes in fourth, behind the UK, Brazil and Mexico.
Life360 began as a location-sharing app that allowed family members to share their real-time whereabouts with other users.
It has since rolled out features such as SOS alerts, roadside and medical assistance, severe weather alerts, family driving summaries and pet-finding features using GPS trackers.
Life350 is also looking at developing a GPS tracker for the elderly, although Ms Antonoff said that's going to take time.
"We're starting our way in elderly, in ageing parents, really focused on bringing them into our ecosystem and we're working on devices for the future but we don't expect to launch those this year," she said.
The platform had 95.8 million monthly active users worldwide at the end of 2025's December quarter, up 20 per cent from a year ago.
That period represents the strongest fourth-quarter user growth in the company's history.
Life360 wants to grow that number by 20 per cent in 2026, to more than 100 million.
Most users belong to Life360's free tier, with 1.9 million US and 800,000 international users opting to pay for subscription plans that range from $9.99 to $29.99 a month.
Life360 is dual-listed on the US Nasdaq Global Select Market and the Australian Securities Exchange, where it made its debut in 2019.
Its Australian shares rose more than eight per cent in morning trading to $26.78, giving it a market value of about $6 billion.
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