Know Where Your Data Is.
On your PC, in a Lightning profile in Documents, and on your phone, encrypted on both. The only thing looked up online is the latest price of what you hold.
Where your data livesYour data and devices
Your Data Stays on Your Devices.
Your ledger is encrypted on your PC and your phone. They meet over your own Wi-Fi, with no server in between.
Free to use. Windows and Android. No bank login.
Three things
Where It Lives, and How It Moves.
No account, no server, no bank login.
On Your Devices
Your accounts and plans live in an encrypted profile on your Windows PC and your Android phone, opened with your password.
Over Your Wi-Fi
Your phone holds the ledger and your PC borrows it when you sit down, then hands it back.
Nothing in Between
No server, no account and no bank login. You bring statements in yourself, and every row waits in review.
The pieces
Two Questions, Two Guides.
The short answer to each is here. The full guide is one tap away.
Sync Without the Cloud.
Pair once by typing a code from your phone on your PC. One device edits at a time, so you never merge two copies.
Sync phone and PCKeep reading
The Other Topics
Each one is the whole picture on one page.
From the community
How people use Lightning
Posts on LinkedIn and Reddit by Lightning users. They open on those sites.
No stories yet. Yours could be the first.
Shape what comes next
Your Answers Decide What We Build Next.
Take the 3–5 minute survey: what you track, what you skip and what you wish Lightning did.
Take the survey · 3–5 min
or get news of each build
Study Your Patterns. Control Your Future.