1.0.0
Jul 11, 2026 · seen Sep 29, 2026
Contact Vault: Backup is a tools app by Dongfu He with 10+ downloads (about 32 estimated). +1 installs in the last 7 days. Released Jul 11, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Keep control of your address book with Contact Vault, a local contact backup and export tool for Android. Your contacts stay on your device: there is no account, contact upload, advertising, analytics SDK, or internet permission. Main features: Export contacts to CSV, Excel, or VCF Create a local ZIP backup that…”