--- title: Frequency Cap - Definition & Examples | RGM® Glossary url: https://realgrowthmatters.com/glossary/frequency-cap/ updated: 2026-06-10 source_html: https://realgrowthmatters.com/glossary/frequency-cap/ --- Growth Glossary — Definition SHT FREQUENCY-CAP # Frequency Cap Maximum ad exposures per user A working definition from the RGM marketing glossary. Maximum ad exposures per user Term : Frequency Cap Field : Audience & Privacy Category : Audience & Privacy ## Definition in plain terms Hold that thought.Frequency Cap is an audience or privacy concept your team should define once. A loose definition misaligns budgets and reporting. Maximum ad exposures per user In Audience & Privacy, Frequency Cap names an audience or privacy concept. Pin the meaning down early and the strategy stays coherent. ## Where the mechanics matter Keep this in mind.Frequency Cap is no fixed dial. How it behaves depends on your audience, your channel mix, and the strategy around it. Frequency Cap behaves unlike a fixed rule. An early-stage brand and a mature one will apply Frequency Cap on different terms. The mechanics follow the inputs around it. Treat Frequency Cap as a buzzword and the reporting misleads; agree on it and the numbers hold. The working rule is plain. Agree what Frequency Cap covers first, then act on it. Skip that order and Frequency Cap loses its shared meaning, and two teams end up measuring two different things. Hold that thought. ## When it matters Worth a slow read.Reach for Frequency Cap when a real decision rides on it -- a budget, a metric, or a comparison. Otherwise it is reference. Frequency Cap matters at the point of a decision. In audience & privacy, three moments come up again and again. Outside them, Frequency Cap is reference material. 1. **Setting budget.** Frequency Cap marks where added spend will work hardest. 2. **Choosing a metric.** Frequency Cap checks that the figure is not just noise. 3. **Comparing options.** Frequency Cap adjusts a compare so the gap is honest. ## A worked example Read that twice.The walk-through runs Frequency Cap through work modeled on Sephora, so the concept meets real constraints. Consider Sephora. Running a consented-audience rebuild, the team put Frequency Cap at the center of the call. With a clean baseline and one fixed definition of Frequency Cap, they read what moved: match rates held near 70% after ATT. The discipline is the lesson. Worked example for Frequency Cap -- illustrative figures, RGM analysis | Stage | Action | What it bought | | Baseline | Logged where Frequency Cap stood before the test. | A fixed point of truth. | | Define | Fixed one meaning of Frequency Cap for the test. | A shared definition up front. | | Act | A consented-audience rebuild — one variable. | One change, a clean read. | | Result | Match rates held near 70% after ATT | A call backed by the read. | These Frequency Cap numbers are illustrative -- RGM analysis. The structure travels; the specific figures do not. ## Where teams go wrong Worth a slow read.Four failure modes recur with Frequency Cap. Name them and they are easy to design around. - **No segments.** Treating Frequency Cap as one number for all. Break it out before you trust it. - **Bare numbers.** Showing Frequency Cap on its own. Context is what makes it readable. - **Vanity focus.** Gaming Frequency Cap instead of the result. Tie it to business value. - **Bad compares.** Benchmarking Frequency Cap with no adjustment. Account for the model differences first. ## Common questions What is Frequency Cap? Maximum ad exposures per user Settle what Frequency Cap covers first; the strategy follows from there. What makes Frequency Cap worth knowing? Frequency Cap matters because vague vocabulary breaks strategy. A precise, shared definition keeps a team aligned. How do teams use Frequency Cap? Frequency Cap supports a real choice: where money goes, what gets measured, which option wins. The Sephora case traces it. What is the most common mistake with Frequency Cap? Treating Frequency Cap as one blanket rule and reporting it with no baseline. Both hide a soft assumption. What is Frequency Cap? : Maximum ad exposures per user Settle what Frequency Cap covers first; the strategy follows from there. What makes Frequency Cap worth knowing? : Frequency Cap matters because vague vocabulary breaks strategy. A precise, shared definition keeps a team aligned. How do teams use Frequency Cap? : Frequency Cap supports a real choice: where money goes, what gets measured, which option wins. The Sephora case traces it. ### Where to go next ### Related terms