The original title is: "A photo cleanup app that never uploads your photos — the on-device design tradeoffs"

Short summary

Swipe Cleaner is an iOS photo cleanup app built with a hard constraint: no account, no uploads, all processing on-device. The core loop is manual swipe-to-delete with a batch review queue and OS-level Recently Deleted as a double safety net. The author argues that writing privacy as a technical constraint (no backend that can receive a photo) forces better architecture decisions than marketing copy alone.

• •On-device photo cleanup app with zero uploads and no account requirement
• •Batch review queue plus OS Recently Deleted provides two safety nets for destructive actions
• •Privacy-as-architecture constraint drives better design decisions

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