Most apps set up their MMP once, and never look back.

But misconfigured events, unaligned postbacks, and broken attribution windows silently destroy campaign performance every day.

In our audits, 80% of setups had critical gaps:

• Revenue misattributed (or double-counted)
• SKAN postbacks mapped wrong
• Missing cost data or duplicate events

👉 The result? Wasted ad spend. Confused reporting. Poor optimization.
This checklist fixes that