Buying rewarded video: a UA-side view

Rewarded video is usually framed as monetisation. Seen from the buy side, it is an intent-rich install channel whose price has moved with bidding.
Nearly everything written about rewarded video treats it as a monetisation format, the placement a studio builds to earn from its own players. UA Ledger's own coverage of rewarded acquisition returning with a retention mandate came at it mostly from that angle too. The buy side gets far less attention. That is where a UA team should be looking harder.
What a buyer is actually purchasing
A rewarded placement inside someone else's game asks the player to choose to watch, in exchange for an in-game reward: extra currency, an extra life, a cosmetic item. That one fact separates rewarded inventory from almost every other format a UA buyer runs. Nobody interrupts the player mid-session against their will. They opted in, at a moment they judged the trade worth making.
The opt-in moment is a real intent signal, and a stronger one than a scroll-stopping video ad earns from a user who simply failed to swipe past fast enough. A player who sits through thirty seconds of another game's ad to collect a reward has shown more deliberate attention than one who never asked for the interstitial that landed on them.
The retention profile that follows from that signal
Rewarded-sourced installs have tended to show a stronger early retention curve than comparably priced interstitial or banner-sourced installs, a pattern consistent enough across genres that it turns up in most studios' own MMP dashboards as soon as they segment by placement type.
The mechanism is not mysterious. A user who chose to engage with an ad for a reward has already shown more patience, and more willingness to trade time for value, than one who tapped an ad by accident or out of idle scrolling. That disposition carries into the new game's early sessions.
One caveat. The retention advantage is a correlation worth testing on your own cohorts rather than a guarantee that transfers automatically, since genre match between the host game and the advertised game still matters, and a rewarded placement inside a game whose players want something quite different from the game in the ad will not carry the same intent premium.
How bidding changed the price
Waterfall arrangements used to carry most rewarded inventory, fixed price tiers a network would fill in sequence, which left real value on the table any time demand for a placement ran past the tier assigned to it. In-app bidding, where several demand sources compete for a rewarded impression in something close to a real-time auction, has pushed effective prices up across the format, because advertisers who value the intent signal bid it toward what it is worth instead of toward a static and often underpriced tier.
Industry reporting on ad tech pricing keeps flagging the same thing: rewarded video's eCPMs climbing well past standard banner and even standard interstitial rates on iOS specifically. That gap reflects the intent premium buyers will pay for, and the tighter supply of quality rewarded placements against demand. A buyer who still thinks of rewarded as the cheap, high-volume format it was a few years ago should expect a materially different price today.
What this means for a buying strategy
Treat rewarded as inventory worth actively sourcing rather than as a leftover format a network fills a budget with. In practice that means specifying it as a placement type in campaign setup wherever the network allows granular targeting, and reviewing retention by placement type on a regular cycle instead of assuming rewarded behaves like everything else at whatever blended rate the dashboard reports.
A studio that pulls rewarded's true cost and true retention out of its blended numbers usually finds the format either meaningfully underbought or overpriced, and rarely finds it sitting exactly where the blended average implied.
A second-order effect is worth watching now that bidding has matured. Networks that once treated rewarded as commodity fill compete harder to keep quality supply out of the open exchange entirely, routing it through direct deals with a small set of favoured demand partners instead. A buyer leaning only on open in-app bidding auctions may see a narrower slice of available rewarded inventory than the raw numbers suggest, so ask any DSP or network straight out what share of its rewarded supply is exclusive versus open; that answer shapes how much of the format's true volume a given buying relationship can reach at all.


