Bondwidth 1.1.4
Private, offline phone & contacts app that helps you keep up your bonds
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14.92 MB · Bondwidth-1.1.4.apk
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About Bondwidth
Bondwidth is an all-in-one phone, contacts, and relationship app that works entirely on your device. No accounts, no servers, no tracking — and it quietly helps you stay close to the people who matter.
Friendship is small attentions, often. Set a check-in cadence for each person and Bondwidth gently flags who's getting too quiet, so you can reach out before silence becomes a habit. Birthdays and anniversaries are remembered for you, and the calls you make are counted automatically.
Private by design
* No internet permission at all — the app cannot reach the network, and its build pipeline fails if that ever changes.
* No accounts, no servers, no cloud. Everything stays in the app's private storage on your device.
* No analytics, no ads, no third-party trackers.
* Optional encrypted backups (AES-256-GCM) that only you can open.
* Optional biometric app lock and a "hide from screenshots" mode.
Phone
* Default dialer with its own in-call screen, Picture-in-Picture, and per-contact ringtones.
* T9 smart dial, speed dial, and dual-SIM call routing.
* Block numbers, missed-call notifications, call history and search.
* Colour-coded call directions, with optional WhatsApp / Signal shortcuts.
Contacts
* Browse, create, edit and delete contacts, with group filtering.
* Typed phone numbers, emails, postal address, website, organisation, notes and birthday.
* Find and merge duplicates; import and export vCard files.
Bonds
* Per-person check-in cadence with gentle overdue nudges.
* Birthday and anniversary reminders, with a "Mark as wished" action.
* An interaction timeline and an at-a-glance relationship dashboard.
* A home-screen widget for upcoming occasions and who you haven't spoken to lately.
Bondwidth is free software (GPL-3.0). Its phone and contacts features are derived from the Fossify Phone and Fossify Contacts projects.
License: GPL-3.0-only
Friendship is small attentions, often. Set a check-in cadence for each person and Bondwidth gently flags who's getting too quiet, so you can reach out before silence becomes a habit. Birthdays and anniversaries are remembered for you, and the calls you make are counted automatically.
Private by design
* No internet permission at all — the app cannot reach the network, and its build pipeline fails if that ever changes.
* No accounts, no servers, no cloud. Everything stays in the app's private storage on your device.
* No analytics, no ads, no third-party trackers.
* Optional encrypted backups (AES-256-GCM) that only you can open.
* Optional biometric app lock and a "hide from screenshots" mode.
Phone
* Default dialer with its own in-call screen, Picture-in-Picture, and per-contact ringtones.
* T9 smart dial, speed dial, and dual-SIM call routing.
* Block numbers, missed-call notifications, call history and search.
* Colour-coded call directions, with optional WhatsApp / Signal shortcuts.
Contacts
* Browse, create, edit and delete contacts, with group filtering.
* Typed phone numbers, emails, postal address, website, organisation, notes and birthday.
* Find and merge duplicates; import and export vCard files.
Bonds
* Per-person check-in cadence with gentle overdue nudges.
* Birthday and anniversary reminders, with a "Mark as wished" action.
* An interaction timeline and an at-a-glance relationship dashboard.
* A home-screen widget for upcoming occasions and who you haven't spoken to lately.
Bondwidth is free software (GPL-3.0). Its phone and contacts features are derived from the Fossify Phone and Fossify Contacts projects.
License: GPL-3.0-only
| Release info | Update on Nov 01, 2026 |
|---|---|
| Release notes | Fixes the app closing right after opening on some phones (seen on GrapheneOS) when the call log listed the same call twice. USSD codes like *100# are now dialled exactly as typed instead of calling a matching contact. Service codes like *#*#4636#*#* now open their hidden menu, as in the built-in phone app (needs Bondwidth set as your phone app). |
| Listing data | F-Droid |
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