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Local-First Architecture · Zero-Knowledge Privacy

See your money. Feel your money.
Own your financial data.

FINLOG delivers high-precision money spaces, intelligent Mobile Money (MoMo & Telecel) statement imports, and contextual AI insights—with AES-256 encrypted on-device ledgers that remain strictly in your control.

Apple App Store submission in progress · TestFlight builds available for verified testers
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Main Space Balance
GH₵ 4,250.00
FINLOG Main Dashboard with banknote money stacks
✨
FINAI Status
Context Sanitized
Architecture & Data Sovereignty

Engineered to keep your finances strictly private

Traditional finance apps sync unencrypted transactions to corporate clouds. FINLOG is built around local-first cryptographic principles.

On-Device AES-256 Vault

All transactions, balances, space allocations, budgets, and loans are sealed with authenticated AES-256-GCM encryption before writing to persistent device storage.

Expo SecureStore with hardware-backed Keychain
Zero unencrypted financial records on disk

Zero-Knowledge Cloud Backup

When opting into cloud backup, your vault is encrypted client-side using PBKDF2 (100,000 rounds) before uploading to Supabase Storage with Row-Level Security.

Zero plaintext stored on cloud databases
SHA-256 integrity checksum validation

Sanitized AI Boundary (FINAI)

FINAI never sees your bank account numbers, payee phone numbers, or raw transaction notes. Only mathematically sanitized numerical summaries are processed.

Deterministic token grounding (0 hallucinations)
Explicit user consent required per conversation
Verified Production Features

Designed for real African & global cash flows

From physical banknote bundles to mobile money statements and multi-currency stacks, FINLOG handles how you actually manage money.

Dynamic Stacks

Money Spaces & Multi-Stack Allocations

Organize finances into dedicated compartments: Main Stack, Emergency Fund, Business, or Savings Goals. Perform atomic transfers between stacks with net-zero balance variance and integer minor-unit math.

FINLOG Expense modal and Money Spaces allocation
Visual Intelligence

Interactive Burndown & Donut Charts

Custom SVG donut charts with tap-to-filter categories, 3-tier budget health indicators, and a daily safe-to-spend allowance calculator.

FINLOG Visual Analytics Donut Chart
MTN MoMo & Telecel

Smart Statement Parser with PII Redaction

Import official PDF statements from MTN Mobile Money and Telecel. The on-device engine unlocks password-protected statements, redacts phone numbers, and categorizes transactions offline.

  • ✓ 0 rejected rows verified across real Ghana MoMo statement audits
  • ✓ Duplicate detection hashes prevent double-counting
  • ✓ 1-Tap batch allocation into target Money Spaces
Global & Physical

Multi-Currency & Physical Cash Counter

Full precision support for 8 verified currencies (GHS, USD, CAD, GBP, EUR, NGN, JPY, KWD). Plus a physical Ghana Cedi banknote counter (GH₵200, 100, 50, 20, 10, 5, 2, 1) tracked independently of bank balances.

  • ✓ Isolated ledgers per currency—no silent foreign exchange distortions
  • ✓ Physical note counts remain securely in your local vault
  • ✓ Export full reports in standard RFC 4180 CSV & executive statements
Live Technical Preview

See the on-device statement pipeline in action

Experience how FINLOG imports statements, removes PII, and seals records locally without exposing personal data to cloud servers.

MTN Ghana MoMo Statement Ingestion Simulation

Simulating real processing steps executed by src/import/statementParser.ts

1
Extract On-Device
Parses local PDF bytes & verifies table header structure.
2
Strip PII
Removes sender/recipient phone numbers and names.
3
Categorize & Allocate
Applies MoMo category heuristics and assigns Money Spaces.
4
Vault Sealed
AES-256 encrypted snapshot written to local SecureStore.
[Ready] Click "Run Ingestion Simulation" to observe real pipeline logs...
FINAI Copilot

Intelligent financial advice that respects your privacy

FINAI isn't an ungrounded general chatbot. It is a dedicated financial copilot with strict mathematical bounds, tokenized facts, and zero commercial data sharing.

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Mathematical Grounding (Zero Hallucination):

Responses use verified tokens like {{fact_key}} computed deterministically on your device.

✓
Clerk & Supabase Server Quotas:

Free allowance capped authoritatively at 5 requests/minute and 25 requests/day to protect stability and prevent billing abuse.

✓
Session & Currency Isolation:

FINAI only answers using the currently active currency ledger. Switching currencies aborts and clears active chat memory.

F
FINAI Assistant
● Online · Active Ledger: GHS (Ghana Cedis)
Verified Quota
Can I afford a GH₵350 dinner with friends tonight?
Based on your active Food budget, you have GH₵420.00 remaining for this month with 9 days left (GH₵46.60/day).

Spending GH₵350 tonight will leave GH₵70.00 for the rest of the month (~GH₵8.75/day). If you wish to proceed, consider reallocating from your Entertainment stack.
Pricing & Roadmap

Transparent capabilities. No hidden traps.

We clearly distinguish what is currently available in FINLOG v1.0 from planned premium features.

Available Now in App

FINLOG Core

Free / forever on-device

Complete personal finance suite with on-device encryption and full ledger sovereignty.

  • Unlimited transactions & Money Spaces
  • MTN MoMo & Telecel statement imports
  • AES-256-GCM on-device encrypted vault
  • Visual analytics, burndown & cash flow charts
  • FINAI standard allowance (25 requests/day)
  • RFC 4180 CSV & Statement exports
Planned Roadmap Feature

FINLOG Pro

Coming Soon / v2.0 Release

Advanced forecasting, higher AI quotas, and automated cloud sync capabilities.

  • ⚡ Advanced multi-year cash flow forecasting
  • ⚡ Extended FINAI quota limits & faster priority tokens
  • ⚡ Automated background encrypted cloud sync
  • ⚡ Executive PDF report generator with custom branding
  • ℹ Requires verified StoreKit receipt validation (in development)
FAQ

Frequently Asked Questions

Clear answers about how FINLOG handles your data, devices, and privacy.

Your financial records (transactions, balances, spaces, budgets, and loans) are stored strictly on your device in an encrypted vault sealed with AES-256-GCM. We do not automatically upload or synchronize your financial ledger to any cloud database.

No. All statement parsing (MTN MoMo and Telecel PDF files) occurs on-device. Personal identifying numbers, phone numbers, and full names are stripped before any transaction categorization occurs. Raw files never leave your phone.

FINAI sends only anonymized numerical context (active currency, budget period, total spend, and categorized aggregates) alongside your question. It never sends your personal name, account numbers, contact details, or raw transaction text. Explicit consent is required before initiating an AI conversation.

FINLOG provides a unique two-tier deletion system:

1. Keep Data on Device: Deletes your cloud profile and AI quota records while leaving your encrypted local records intact on your phone.
2. Permanently Wipe Everything: Simultaneously deletes both your cloud profile and completely wipes all encrypted vaults and encryption keys from your device.

If you choose to back up to the cloud, FINLOG derives a 256-bit encryption key on your phone using PBKDF2 with 100,000 iterations. The encrypted ciphertext is stored in Supabase with authenticated Row-Level Security. Because the decryption key never leaves your device, neither FINLOG engineers nor Supabase administrators can read your records.

Ready to Take Control?

Download FINLOG for iOS

Experience private, local-first personal finance with instant statement parsing and zero corporate surveillance.

Join iOS TestFlight Contact Support

[CONFIGURABLE: Apple App Store Link will activate upon App Store Connect live approval]