Where app revenue actually comes from
App monetization runs on an embedded ad SDK and mediation rather than a browser ad stack — so the levers are different from the web. These are the techniques that reliably move app revenue, roughly in order of impact.
1. Move from waterfall mediation to in-app bidding
The biggest upgrade: replace ranked waterfall mediation with in-app bidding, where networks bid simultaneously (the app-side equivalent of header bidding). Simultaneous competition prices each impression live instead of guessing from history — lifting fill and eCPM.
2. Lean on rewarded video
Rewarded video is the app monetization workhorse: opt-in, high CPM, and it improves retention because users choose it for a reward. Make the value exchange clear and always deliver the reward. In games and freemium apps, it’s often the top earner.
3. Use interstitials at natural breaks
Interstitials command high CPMs but must be placed at genuine transitions (between levels, between screens) and frequency-capped. Never at app launch or mid-action — that violates store policies and churns users.
4. Place ads at decision points, not randomly
Show ads where they feel natural — after completing an action, at a paywall, between sessions — not interrupting active tasks. Good placement earns more and keeps users, because it respects the experience.
5. Diversify demand and mediation partners
More quality networks competing means higher fill and eCPM — but keep the SDK footprint disciplined. Each SDK adds app size and can affect stability, so favor the partners that genuinely contribute (the same demand-hygiene principle as web).
6. Respect privacy and store policies
App tracking is constrained (ATT on iOS and similar), so first-party and contextual signals matter more. And store policies on ad behavior are strict — violations risk removal, which is the ultimate revenue killer.
7. Measure blended eCPM and revenue-per-session
Judge every technique on blended eCPM and revenue-per-daily-active-user — not the headline CPM of any single format. A high-CPM format shown too rarely can earn less than a steady moderate one.
The bottom line
Boosting app revenue comes down to real competition (in-app bidding), high-value formats used with discipline (rewarded video and interstitials), placement that respects the experience, diverse-but-lean demand, and measurement on blended eCPM. Aggressive monetization that churns users is a short-term win and a long-term loss — the durable gains come from competing demand well while keeping the experience intact. For the underlying mechanics, see app monetization & SDK advertising.