A frequency cap on push ads limits how often a user sees the same ad, helping prevent ad fatigue and annoyance. However, it also has drawbacks. Over-restricting frequency can reduce exposure, especially in short campaigns, weakening brand recall and engagement. It may lead to missed conversion opportunities, as some users need repeated impressions before acting. Additionally, capping can disrupt remarketing strategies that rely on consistent reminders. For advertisers with a small audience, strict caps may exhaust available impressions too quickly, limiting campaign reach. Lastly, technical issues or poor implementation can miscount impressions, undermining campaign performance. Balancing frequency is crucial—too high irritates users, too low hampers effectiveness.