"Watch a video, earn a reward" shows up everywhere now — mobile games, quiz apps, streaming platforms, even this article. It's not a gimmick: rewarded video is a real, standardized ad format that advertisers bid on specifically because a user who opts in to watch tends to pay more attention than one who has an ad interrupt them. That's also exactly why it can fund free access to content instead of a paywall or a subscription.
Where the money in a rewarded ad actually comes from
When you opt in to a rewarded ad, an ad exchange runs an auction in real time among advertisers who want that specific slot — a 15 or 30 second video, watched by someone who chose to see it. The winning bid pays the publisher (the app or site you were using), and a slice of that is passed back to you as whatever the reward is: extra lives, unlocked content, points, or in some apps, cash-convertible currency.
Why the reward is usually small
A single 15–30 second video ad typically generates a fraction of a cent to a few cents for the publisher, depending on your region, the advertiser, and demand that day. Publishers pass along a portion of that — not the full amount, since they're also covering hosting, development, and the free content or feature you're unlocking. That's why rewarded video realistically nets you cents per view rather than dollars; anything promising far more than that for a single short ad view is worth being skeptical of.
What "completing" an ad actually requires
Rewarded formats are built so the reward only fires after the ad is verifiably watched — closing early, muting and switching apps, or an ad blocker interfering will generally mean no reward is granted. This is by design: it's what lets advertisers pay a premium for the format in the first place, and it's also why you sometimes see a short delay after a video ends before your reward actually unlocks — the platform is confirming completion before crediting you.
Where it makes the most sense
Rewarded video works best as a way to unlock something you specifically want — an extra game life, one article, one calculator — rather than as a standalone income source. Because the per-view payout is small, apps built purely around watching ad after ad for cash rarely clear a meaningful hourly rate once you account for the time spent.
Payouts, availability, and terms vary by platform, region, and promotion, and can change without notice. Treat these as a way to supplement your income, not replace it.