MarathonBooks

Content rating
Everyone
1+
Downloads
Content rating
Everyone
Learn more
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About this app

MarathonBooks helps small businesses, freelancers, and solopreneurs stay organized with AI-powered bookkeeping, invoicing, receipt capture, and expense tracking.

Built for real-world workflows, MarathonBooks makes it easy to track your finances, organize transactions, and keep your books clean without spreadsheets or complicated software.

✔ AI Bookkeeping

Automatically categorize expenses, draft ledger entries, and keep your financial records organized with the help of AI. QuickCapture™ lets you add receipts or notes in seconds using text, photos, or voice.

✔ Invoicing + Online Payments

Create professional invoices and send them to customers instantly.
Your clients can pay online through secure Stripe checkout links.
Every payment automatically syncs into your books.

✔ Receipt Scanning

Snap a photo of any receipt or upload from your gallery. MarathonBooks extracts details, categorizes the transaction, and prepares the accounting entry for you.

✔ Expense Tracking

Track every expense as you go. Add notes, photos, amounts, vendors, and categories—all organized automatically. Stay prepared for tax season without the end-of-year scramble.

✔ Clean, Simple Financial Dashboards

View income, spending, trends, and upcoming invoices at a glance.
No accounting background required.

✔ Designed for Solopreneurs & Small Businesses

Perfect for:

freelancers

trades

service providers

gig workers

consultants

creators

small business owners

anyone managing their own books
Updated on
Mar 1, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info, Financial info and 2 others
Data is encrypted in transit

What’s new

Initial release of MarathonBooks.
Includes AI bookkeeping, expense tracking, receipt scanning, and invoicing.
Content rating
Everyone
Learn more

App support

Phone number
+17027631034
About the developer
BrightCube Software LLC
contact@brightcubesoftware.com
732 S 6TH St Ste R Las Vegas, NV 89101-6948 United States
+1 424-347-9369