Bank Book

Flutter Junction

About this app

💳 YOUR PRIVATE BANK CONTACT BOOK

Tired of searching WhatsApp for someone's account
number? Screenshotting bank details and hoping
nobody sees them? BankBook fixes that.

Store every person's bank details — encrypted on
your device — alongside a full transaction history.
One app. One place. Completely private.

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🔐 BANK DETAILS. ALWAYS AT HAND.
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Add contacts with their full banking information:

- Australia — BSB + Account Number
- India — IFSC + Account Number
- Nepal — Account + SWIFT
- USA — Routing + Account Number
- UK — Sort Code + Account + IBAN
- Europe — IBAN + SWIFT/BIC
- Canada, Pakistan, UAE, Singapore
Japan, Bangladesh + more

All details encrypted with AES-256.
No one can read them without your PIN.

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💰 TRACK EVERY TRANSACTION
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- Record money given or received
- Running balance per contact
- Filter by date and transaction type
- See exactly who owes you — and who
you owe — in your own currency

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📤 SHARE BANK DETAILS SAFELY
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Send your bank details to anyone — safely:

- Choose which fields to share
- BankBook generates an encrypted link
- Share the link via WhatsApp or SMS
- Send the PIN separately by voice
- Recipient saves directly into their
BankBook — encrypted on their device

The link alone is useless without the PIN.
No server ever sees your details.

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🔒 PRIVATE BY DESIGN
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- PIN protected — your data, your access
- AES-256 encryption on every field
- Encrypted backup you control (.bbk)
- Restore on any device with your password
- Zero cloud storage — nothing leaves
your phone without your permission
- No account required
- No ads. Ever.
- No subscription. Free.

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✅ REPLACES ALL OF THESE
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❌ WhatsApp messages with BSBs and IBANs
❌ Screenshots of account details
❌ Notes app full of bank numbers
❌ Spreadsheets tracking who owes what
❌ Asking "what's your account number?"
every single time
✅ BankBook — one private place for all of it

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PERFECT FOR
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→ Sending money home to family abroad
→ Anyone who lends money to friends
→ Small business owners tracking credit
→ Market traders and shopkeepers
→ Anyone tired of hunting for bank details

Download free. No account needed.
Your money. Your records. Your phone.

What’s new

Your private contact book for money — store bank
details and track transactions in one encrypted place.

- Store bank details for 15+ countries
- Track money given and received
- Running balance per contact
- Share bank details securely via QR or link
- AES-256 encrypted — PIN protected
- Encrypted backup and restore
- No account. No ads. No cloud.

Your money. Your records. Your phone.