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Password Book 3.0
A local-first private vault with account-free encrypted sync
Password Book 3.0 is a rebuilt local-first password manager and private vault for Android. Store logins, cards, identities, secure notes, Wi-Fi credentials, license keys and encrypted attachments. No Password Book account is required. Keep your vault local or sync encrypted data across verified devices, Google Drive or your own WebDAV storage. Also includes multiple vaults, Autofill, Recovery & Security Centers, custom fields, trusted devices and a completely redesigned Material 3 experience.
Hey Product Hunt 👋
I first launched Password Book here in December 2025. At the time, it was a fairly simple offline Android password manager focused on encrypted local storage and attachments.
Over the last several months, I ended up rebuilding almost everything.
Password Book 3.0 has a new vault model, a redesigned UI, multiple record types, multiple vaults, encrypted backups, Recovery Center, Security Center, trusted devices, Android Autofill, encrypted attachments and account-free device sync.
One decision stayed the same: I don’t want Password Book to require a Password Book account or depend on an AlpWare-hosted password database.
The vault remains local-first. If you want sync, you can use verified device-to-device/local-network sync, and Premium users can optionally use storage they control through WebDAV or restricted Google Drive app data. The synced objects are encrypted client-side before leaving the device.
I also spent a lot of time on something less visible: upgrading existing users safely. Password managers hold data people can’t afford to lose, so the v1 → v2 migration is resumable and verifies records and attachments before retiring legacy data.
I’m building Password Book independently, so I’d especially appreciate feedback on three things:
• Does the account-free/local-first model make sense to you?
• What would you expect before trusting a newer password manager?
• Which Android password-manager workflow still frustrates you today?
Thanks for checking it out — and thanks to everyone who tried the first version here last year. 🔐
AlpWare Studio
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About Password Book 3.0 on Product Hunt
“A local-first private vault with account-free encrypted sync”
Password Book 3.0 was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #102 on the daily leaderboard. Password Book 3.0 is a rebuilt local-first password manager and private vault for Android. Store logins, cards, identities, secure notes, Wi-Fi credentials, license keys and encrypted attachments. No Password Book account is required. Keep your vault local or sync encrypted data across verified devices, Google Drive or your own WebDAV storage. Also includes multiple vaults, Autofill, Recovery & Security Centers, custom fields, trusted devices and a completely redesigned Material 3 experience.
Password Book 3.0 was featured in Android (57.6k followers), Privacy (11.4k followers) and Password manager (610 followers) on Product Hunt. Together, these topics include over 58.5k products, making this a competitive space to launch in.
Who hunted Password Book 3.0?
Password Book 3.0 was hunted by Mahmut Alperen Ünal. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Mahmut Alperen Ünal