Do not diagnose creative fatigue from a falling performance metric alone. Check delivery, audience, measurement and the post-click experience before concluding that the asset has simply been seen too often.
Establish what deteriorated
Separate attention, click-through, installation, activation and revenue signals. A change near the top of the funnel suggests a different investigation from a decline after installation. Review the timing and relevant segments.
Check whether the audience mix, placement distribution, budget or campaign settings changed. A creative may appear weaker because it is now reaching a different population.
Inspect the journey and measurement
Verify the destination, current store listing and app version. A broken link or a difficult release can reduce performance while the ad itself remains persuasive. Confirm that event tracking and reporting definitions did not change.
Use a timeline to avoid attributing every decline to the most visible asset.
Refresh with a hypothesis
If the evidence supports fatigue or declining relevance, decide whether to change the execution, the use case or the underlying promise. A new opening scene can refresh a valid concept; a different customer problem tests something more fundamental.
Keep an interpretable control and avoid flooding the account with near-identical versions that consume production effort without adding learning.
Track the lifetime of an idea
Record when a concept launched, where it worked and which audiences or formats supported it. This creates a reusable creative history. It also helps distinguish an exhausted execution from a durable message worth revisiting later.
The goal is a healthy flow of customer insight and useful creative. Replacing every asset on a rigid calendar can be as wasteful as running the same promise indefinitely without checking whether it still resonates.