Company case study

One Second a Day

One Second a Day is an app that allows users to create a video diary by capturing one second of video each day. It came up on My First Million, hosted by Sam Parr and Shaan Puri, in the episode "The App That’ll Be Bigger Than TikTok" (aired October 3, 2025).

At a glance

One Second a Day at a glance
PodcastMy First Million
Hosted bySam Parr and Shaan Puri
EpisodeThe App That’ll Be Bigger Than TikTok
AiredOctober 3, 2025
CategoryMedia

Figures and claims are as told on the episode, summarized from the transcript. Check the date: they describe the company at the time it aired.

What the episode said

The App That’ll Be Bigger Than TikTok · aired October 3, 2025 · hosted by Sam Parr and Shaan Puri

Why it works

Encourages users to document their lives in a quick, manageable format that results in a meaningful compilation over time.

The playbook

Focuses on simplicity and consistency, making it easy for users to engage with and maintain the habit of video journaling.

Also mentioned

Inspired the speaker to document moments with their child, highlighting the emotional value of preserving memories.

Why this works now (our analysis)

Most video diary apps struggle with user retention, yet One Second a Day thrives by leveraging the simplicity of daily one-second clips, which aligns with the growing trend of short-form content consumption. To generate first revenue, the founder could implement affiliate partnerships with online journaling platforms or wellness brands that resonate with users’ desire for self-reflection. A significant risk for the business lies in its dependency on mobile platform algorithms; changes in app store visibility could directly impact user acquisition and engagement.

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