Cloud vault storage for Android via native file pickers
Built for Android users of password managers, note-taking apps, or data vault tools who want cloud backup/sync without proprietary server dependencies.
“Android: Support the Storage Access Framework (store vault in Google Drive, etc)…”
The receipts — real demand
“Android: Support the Storage Access Framework (store vault in Google Drive, etc)”
Full dossier
Unlock the full dossier — free
Every corroborating quote, the source receipts, and the community echo. One email, no payment.
Why this is a gap
Surfaced from a high-intensity complaint with clear willingness to pay and a specific, reachable audience.
The market
Android users of password managers, note-taking apps, and data vaults who need cloud backup without proprietary servers. No search volume data available, so demand signal is unclear beyond the stated pain point.
Competition & the opening
Password managers like Bitwarden and 1Password already offer cloud sync; note apps like Obsidian support Storage Access Framework. The gap is a dedicated, lightweight vault storage tool that explicitly avoids vendor lock-in while supporting Android's native file picker.
What's hard to build
Storage Access Framework integration is complex—you must handle Android's SAF scoping rules, permission flows across OS versions, and ensure reliable encryption/sync without building server infrastructure. Data consistency across devices without a proprietary backend is the hard part.
Why now
Android SAF APIs are now stable; vault apps need cloud sync but lack native picker integration to avoid user friction.
How you'd monetize
$199 one-time SDK license or $99/mo SaaS