Your rental property, tracked from your Excel file
Upload your rents and expenses workbook. ARIA computes what was collected, what is missing unit by unit, and what the building costs you.
Free, no account or credit card needed. Your Excel files are deleted after 24 h. Download the sample file.
Choose an Excel or CSV file of 10 MB or less.
| month | unit | rent_due | rent_received |
| 2025-11 | Unit 1 | 1,195 | 1,195 |
| 2025-11 | Unit 2 | 1,240 | 1,240 |
| 2025-11 | Unit 3 | 1,050 | 1,050 |
| 2025-11 | Unit 4 | 1,385 | 1,385 |
| … 44 more rows | |||
Unit 3: $3,600 in unpaid rent
Computed on 82 rows across 2 sheets · every figure can be verified
Three steps, no formulas to write
Your file as it is, Excel or CSV. No template to follow, ARIA recognizes your columns.
On every row, with code. No estimates: a figure that cannot be proven is not shown.
A dashboard, a PDF or Word report, a slide deck. Ready for your banker or your management.
What ARIA computes
- Rent collected and unpaidby unit and by month
- Collection raterent received over rent due
- Expenses by categorytaxes, maintenance, insurance, interest
- Net incomerent collected minus expenses
- Hard monthswhen expenses exceed rents
- Annual summaryPDF or Word, ready for your accountant
Frequently asked questions
How do I track rents for a building in Excel?
One row per month and per unit, with rent due and rent received, and a sheet for expenses. Upload the workbook to ARIA: it computes arrears, the collection rate and net income.
Does ARIA replace my accountant?
No. ARIA does the math and the layout; your accountant keeps the tax return and the tax advice.
Does my data stay private?
Your Excel files are deleted after 24 hours and are never used to train a model.
Is it free?
Yes, the trial is free with no credit card: 15 analyses included when you sign up.
Try it on your own file.
Analyze my Excel file