FinLedger Series' Articles

Cover image for Credit Card Payments Are NOT Expenses — Here's What They Actually Are

DEVANSHU PATIL

Oct 25

Credit Card Payments Are NOT Expenses — Here's What They Actually Are

#android #kotlin #architecture #fintech

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5 min read

Cover image for Why Your Finance App Lies to You About How Much Money You Actually Have

DEVANSHU PATIL

Oct 26

Why Your Finance App Lies to You About How Much Money You Actually Have

#android #productivity #architecture #fintech

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3

5 min read

Cover image for I Built a Finance App With Zero Cloud Servers — Here's Why

DEVANSHU PATIL

Oct 27

I Built a Finance App With Zero Cloud Servers — Here's Why

#android #kotlin #architecture #security

5 min read

Cover image for Why I Got Fed Up With Every Finance App and Built My Own From Scratch

DEVANSHU PATIL

Oct 27

Why I Got Fed Up With Every Finance App and Built My Own From Scratch

#android #kotlin #architecture #fintech

4 min read

Cover image for The One Rule That Keeps Every Account Balance in FinLedger Honest

DEVANSHU PATIL

Oct 28

The One Rule That Keeps Every Account Balance in FinLedger Honest

#android #kotlin #architecture #fintech

4 min read

Cover image for Cash, Bank, UPI, or Credit Card? Why Your Finance App Must Treat Them Differently

DEVANSHU PATIL

Oct 28

Cash, Bank, UPI, or Credit Card? Why Your Finance App Must Treat Them Differently

#android #kotlin #architecture #fintech

4 min read

Cover image for How I Encrypt an Entire SQLite Database on Android Without Compromising Speed

DEVANSHU PATIL

Oct 29

How I Encrypt an Entire SQLite Database on Android Without Compromising Speed

#android #kotlin #architecture #fintech

4 min read

Cover image for The Silent Bug That Makes Every Transfer Look Like Income

DEVANSHU PATIL

Oct 29

The Silent Bug That Makes Every Transfer Look Like Income

#android #kotlin #architecture #fintech

4 min read

Cover image for Building High-Contrast Finance UIs in Jetpack Compose Without a Design Team

DEVANSHU PATIL

Oct 30

Building High-Contrast Finance UIs in Jetpack Compose Without a Design Team

#android #kotlin #architecture #fintech

1

4 min read

Cover image for Zero to Architecture: The First 5 Sprints That Shaped FinLedger

DEVANSHU PATIL

Oct 30

Zero to Architecture: The First 5 Sprints That Shaped FinLedger

#android #kotlin #architecture #fintech

4 min read

Cover image for Why Putting Financial Logic in the Database or UI Is a Disaster Waiting to Happen

DEVANSHU PATIL

Oct 31

Why Putting Financial Logic in the Database or UI Is a Disaster Waiting to Happen

#android #kotlin #architecture #fintech

4 min read

Cover image for Opening Balances Are Not Revenue — And Getting This Wrong Ruins Everything

DEVANSHU PATIL

Oct 31

Opening Balances Are Not Revenue — And Getting This Wrong Ruins Everything

#android #kotlin #architecture #fintech

4 min read

Cover image for My Jetpack Compose List Was Dropping Frames on ₹ Signs — Here's the Fix

DEVANSHU PATIL

Nov 1

My Jetpack Compose List Was Dropping Frames on ₹ Signs — Here's the Fix

#android #kotlin #architecture #fintech

4 min read

Cover image for Week 1 of Shipping a Privacy-First Finance App: What I Didn't Expect

DEVANSHU PATIL

Nov 1

Week 1 of Shipping a Privacy-First Finance App: What I Didn't Expect

#android #kotlin #architecture #fintech

3 min read

Cover image for Why Editing a Transaction In-Place Is the Fastest Way to Corrupt Your Ledger

DEVANSHU PATIL

Nov 2

Why Editing a Transaction In-Place Is the Fastest Way to Corrupt Your Ledger

#android #kotlin #architecture #fintech

4 min read

Cover image for Deleting a Transaction Should Be Surgical — Here's How to Do It Right

DEVANSHU PATIL

Nov 2

Deleting a Transaction Should Be Surgical — Here's How to Do It Right

#android #kotlin #architecture #fintech

4 min read

Cover image for Daily Feed, Monthly Rollup, Yearly Grid: Building All Three From One Query

DEVANSHU PATIL

Nov 3

Daily Feed, Monthly Rollup, Yearly Grid: Building All Three From One Query

#android #kotlin #architecture #fintech

4 min read

Cover image for Your Finance App Needs a Reconciliation Engine — Mine Nearly Didn't Have One

DEVANSHU PATIL

Nov 3

Your Finance App Needs a Reconciliation Engine — Mine Nearly Didn't Have One

#android #kotlin #architecture #fintech

4 min read

Cover image for Why `withTransaction` Is the Only Safe Way to Post Financial Entries in SQLite

DEVANSHU PATIL

Nov 4

Why `withTransaction` Is the Only Safe Way to Post Financial Entries in SQLite

#android #kotlin #architecture #fintech

4 min read

Cover image for The Search Bug That Silently Corrupted My Running Balance Display

DEVANSHU PATIL

Nov 4

The Search Bug That Silently Corrupted My Running Balance Display

#android #kotlin #architecture #fintech

3 min read

Cover image for Building a Finance Filter Sheet That Doesn't Require a PhD to Use

DEVANSHU PATIL

Nov 5

Building a Finance Filter Sheet That Doesn't Require a PhD to Use

#android #kotlin #architecture #fintech

3 min read

Cover image for Layers, Boundaries, and Leaks: Clean Android Architecture for Financial Apps

DEVANSHU PATIL

Nov 5

Layers, Boundaries, and Leaks: Clean Android Architecture for Financial Apps

#android #kotlin #architecture #fintech

4 min read

Cover image for How I Store Merchant Suggestions Without Polluting Relational Database Keys

DEVANSHU PATIL

Nov 6

How I Store Merchant Suggestions Without Polluting Relational Database Keys

#android #kotlin #architecture #fintech

4 min read

Cover image for What Happens When You Delete a Bank Account With 500 Transactions Behind It?

DEVANSHU PATIL

Nov 6

What Happens When You Delete a Bank Account With 500 Transactions Behind It?

#android #kotlin #architecture #fintech

4 min read

Cover image for Biometrics + PIN Fallback: How FinLedger Secures Keys Without a Backend Server

DEVANSHU PATIL

Nov 7

Biometrics + PIN Fallback: How FinLedger Secures Keys Without a Backend Server

#android #kotlin #architecture #fintech

4 min read

Cover image for How to Actually Audit Your Spending Without Spiraling Into Anxiety

DEVANSHU PATIL

Nov 7

How to Actually Audit Your Spending Without Spiraling Into Anxiety

#android #kotlin #architecture #fintech

3 min read

Cover image for Handling In-App Updates Gracefully So Users Never Get Stuck on Old Schemas

DEVANSHU PATIL

Nov 8

Handling In-App Updates Gracefully So Users Never Get Stuck on Old Schemas

#android #kotlin #architecture #fintech

3 min read

Cover image for The Hardest Trade-Offs I Made Building FinLedger v2.0.0

DEVANSHU PATIL

Nov 8

The Hardest Trade-Offs I Made Building FinLedger v2.0.0

#android #architecture #mobile #productivity

4 min read

Cover image for I Parsed 50+ Indian Bank SMS Formats Without Sending a Single Byte to the Cloud

DEVANSHU PATIL

Nov 9

I Parsed 50+ Indian Bank SMS Formats Without Sending a Single Byte to the Cloud

#android #kotlin #privacy #fintech

4 min read

Cover image for The Never-Guess Rule: How FinLedger Handles Ambiguous Financial SMS Safely

DEVANSHU PATIL

Nov 9

The Never-Guess Rule: How FinLedger Handles Ambiguous Financial SMS Safely

#android #kotlin #architecture #fintech

4 min read