Here are the easy steps to rename "Estimates" to "Proposals" or "Contracts":

1. Open the Moon Invoice application on your smartphone or tap this link.
2. Go to Settings > Edit Titles.
3. Search for Estimates and replace them with Proposals or Contracts.
4. Tap Save to apply the changes.

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5. Now, all instances of "Estimates" will display as "Proposals" in the app.

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