Glossary
Platforms

What is Snapchat? Definition & How It Works

Quick definition

Snapchat is a mobile app centered on disappearing photos and videos ('Snaps') that vanish after viewing, plus Stories, Spotlight, and AR Lenses.

Platforms

Snapchat, explained

Part of the SocialKit social media glossary — browse every term.

What Snapchat is

Snapchat, launched in 2011, is a mobile-first platform built around impermanence. A Snap — the platform's core unit — is a photo or short video sent directly to a friend or group that deletes after the recipient views it. Beyond direct Snaps, users publish Stories (collections visible to followers for 24 hours), browse Spotlight (a public short-video feed similar to TikTok), and interact through Bitmoji avatars and augmented-reality Lenses. The platform also hosts Snap Map, letting users share and view location-based content.

Why Snapchat matters for brands

Snapchat's user base skews younger than most major platforms — Snap Inc.'s own published quarterly reports consistently show its largest audience segment in the under-35 range, with particular concentration among younger users. The ephemeral format creates urgency that permanent posts don't: "now or never" content tends to prompt quicker action. Brands reach Snapchat audiences through Sponsored Snaps, Story Ads, and branded AR Lenses — the last of which can generate high share rates when the experience is engaging enough that users send it to friends.

A concrete example

A cosmetics brand launches a product line with a branded AR Lens that lets users virtually try on lipstick shades in real time through the camera. Users share their Snaps showing the effect to friends, turning the campaign into a peer-to-peer recommendation channel. Snapchat's published case studies have highlighted similar campaigns reporting strong engagement lift, though individual brand results vary widely by creative quality and audience fit.

How to measure Snapchat performance

Snapchat Insights (available to public profiles and business accounts) reports story views, unique opens, screenshot count, and Lens interactions. Story completion rate — the percentage of viewers who watch through all Snaps in a Story — is the strongest indicator of content quality on the platform. Unlike most networks, Snapchat does not surface a simple likes count, which pushes brands toward richer engagement signals like screenshots, replies, and shares.

Where SocialKit fits

SocialKit covers 11 platforms including Instagram Stories and YouTube Shorts — schedule coordinated short-form content across the channels that most overlap with Snapchat's younger audiences for maximum reach with one publishing workflow.

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FAQ

Snapchat: common questions

Quick answers to the questions people ask most about this term.

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