New entry
Record every sale and expense as it happens. Saved on your phone.
Recent entries
aztecproject.com
Profit & Loss Statement
For the year 2026 · cash basis
Balance Sheet
Year end · simplified cash basis
For inventory, accounts receivable/payable or fixed assets, consult your accountant.
Monthly summary
Mileage log
IRS 2026 rate: 72.5¢ (Jan 1–Jun 30) and 76¢ (Jul 1–Dec 31) per mile.
Sales Tax · Texas
6.25% state + up to 2% local (8.25% cap). Due on the 20th; 0.5% timely filing discount.
Quarterly Estimated Tax
Estimate how much to set aside each quarter. Estimate only — not tax advice.
Payment schedule
Safe harbor = 100% of prior year tax (110% if AGI exceeds $150,000). Self-employment: 15.3% on 92.35% of net profit. Confirm with your tax preparer.
Business setup
These details appear in the header of your reports.
Backup your data
Your data lives only on this phone. Back it up often and send the file to your accountant.
Language
This app is available in English and Spanish. Each version keeps its own separate records — switching languages does not move your entries.
Install on your phone
iPhone: open the link in Safari → Share button → Add to Home Screen.
Android: open in Chrome → menu (⋮) → Install app.
Works offline once installed.
Rockwall, Texas · aztecproject.com