This isn't bookkeeping software.
Know what you made.
Know what you owe.
Your money is tracked automatically. Your numbers are always ready — check in from the app, a text, or your DMs.
Nothing to learn. Nothing to manage. It just runs.
See how it works ↓Type what happened — it becomes real books in seconds
Income, expenses, and invoices — drafted into real bookkeeping records.
Type what happened — or try one of these:
You run your business. Your money tracks itself.
Connect your bank and everything stays organized. Check in when you want — in the app, over text, or from your DMs.
Everything stays organized
Connect your bank and your money is tracked automatically. Every transaction is categorized, organized, and ready — without you lifting a finger.
- ●Transactions flow in and get organized
- ●Everything categorized automatically
- ●Your numbers are always current
- ●You stay in control — nothing happens without your approval
Always know where you stand
Profit, cash flow, who owes you — your numbers are always ready. Check in from the app, a text, or your Instagram DMs.
- ●"How much profit this month?"
- ●"Who owes me money?"
- ●"Am I doing better than last month?"
- ●"Can I afford to hire someone?"
Take action when you need to
Send an invoice, log a cash payment, or snap a receipt — in the app or just by sending a text. The rest handles itself.
- ●"Send $500 invoice to Mike for landscaping"
- ●"Paid $120 cash for supplies"
- ●Snap a receipt photo — it gets read automatically
- ●Text it, DM it, or WhatsApp it — no app needed
QuickCapture™
One feature. Every channel.
Log a transaction, check your numbers, or send an invoice — from wherever you already are. Same result, no matter how you reach it.
“Paid Home Depot $120 for supplies”
In the app
Type or speak it
SMS
Text your business number
DM your business page
Message your business number
Voice
Tap the mic, say what happened
Receipt photo
Snap it — text is read automatically
Same result every time — expense tracked, entry created, books updated.
Coming soon: Meta Glasses, Siri, and Google Assistant. QuickCapture goes wherever you go.
Learn more about QuickCapture →Your numbers, ready when you are
Check in from the app, over text, or from your DMs. Plain language, instant answers.
Know where you stand
“How much profit this month?”
→ Instant profit summary
“Who owes me money?”
→ Outstanding balances listed
“Am I doing better than last month?”
→ Month-over-month comparison
“How much cash do I have?”
→ Real-time cash position
Get things done
“Send $500 invoice to Mike for landscaping”
→ Invoice drafted and ready to send
“Did Martinez LLC pay yet?”
→ Payment status with details
“What invoices are overdue?”
→ Overdue list with amounts and days late
“What did I spend on supplies?”
→ Filtered expense breakdown
Log the things your bank misses
“Paid $120 cash for supplies”
→ Expense tracked instantly
“Got a $500 tip from the Martinez job”
→ Cash income recorded
Built for people who run businesses, not spreadsheets
Everything runs in the background. You stay informed — wherever you already are.
Connect once, done forever
Link your bank and every transaction is tracked and organized automatically. You never enter anything manually.
Your numbers, instantly
Profit, expenses, who owes you — always current, always in plain language. Check in anytime, get real answers.
Works over text & DMs
Send a text, WhatsApp message, or Instagram DM. Check your numbers or log something — no app needed.
Send invoices, get paid
“Send $500 invoice to Mike for landscaping.” Created, sent, and tracked. Payments are recorded automatically.
Receipts & voice
Snap a receipt or say what happened out loud. For the cash payments and things your bank doesn't catch.
Proper underneath
Real double-entry bookkeeping, permanent records, audit-ready reports. Simple for you — serious when it matters.
Built for how you work
See how MarathonBooks works for your industry.
You don't manage your books.
Your books manage themselves.
Connect your bank and everything runs. Check in from the app, over text, or your DMs. Free, no credit card.
Get started free