Apps Script
- Free within Google quotas.
- You write search + delete logic and a time trigger.
- You debug auth, failures, and quota errors.
- Great if you like owning the code.
Bye
- Chrome extension with a block list and dashboard.
- Runs while signed in (about every five minutes).
- Multi-account management on paid plans.
- One-click Spam/Trash cleaning.
- You review Google permissions and pay if you outgrow the free limits.
Honest pick
Choose Script if you want zero vendor and you will maintain it. Choose Bye if you want a UI and you are fine granting the scopes needed to clean Spam and Trash.

