Support

PDF Shrink support

Need help with compression results, purchases, or App Store review information? Contact us by email.

Contact

Email: 942575250@qq.com

Common questions

• Does the app upload my PDFs? No. The iPhone app is built to run offline.
• Is there a subscription? No. The full version is a one-time in-app purchase.
• Where are files stored? Imported PDFs and results stay in the app's local storage unless you export or delete them.