Resources
Free tools, and the answers behind them
Guides written for the trades, plus calculators, checklists, and invoice and quote generators you can use right now without signing up for anything. You will also find the pages that explain what Zeus does.
Resource Center
Guides for contractors
Open the library105 guides on pricing, invoicing, taxes, hiring and finding more work, with the arithmetic worked through, not hand-waved. Free to read, nothing to sign up for.
Free checklists for the trades
Open the checklists38 printable job checklists: inspections, installs, maintenance visits and tool lists. Hide what a job does not need, then save the sheet as a PDF: blank for the clipboard, or carrying the ticks and notes you put in as you worked.
Free invoice and quote generators
Build a real invoice or a priced quote on your own letterhead (your logo, your currency, your wording), then save it as a PDF or a spreadsheet. No account, no email address, no watermark across the page. Everything happens in your browser and nothing you type is sent to us.
Free calculators for contractors
Open the hubPricing and profit, job and material quantities, what the business is worth and what it is leaking, plus the trade math for airflow, pipework and roofs. Everything is worked out in your browser. Nothing you type is sent to us.
- Job Profitability
- True Hourly Rate
- Markup vs Margin
- Discount Impact
- Revenue Goal
- Drive Cost per Job
- Pipe & Tank Volume
- Material Quantity
- Job Price Builder
- Lawn Care Pricing
- House Cleaning Pricing
- Business Valuation
- Hire Break-Even
- Missed Work Cost
- HVAC CFM
- Duct Size
- Air Changes per Hour
- HVAC Load
- Refrigeration BTU
- Efficiency Upgrade Savings
- Flow Rate
- Pipe Thermal Expansion
- Roofing Material
- Roof Pitch
- Flooring Material
- Board Foot
- Brick and Mortar
Worth reading before you start
- Guides for contractorsHow to price a job, get paid sooner, keep the tax side tidy, and find the next one. Written for the trades.
- Questions people ask firstWhat the free plan covers, what happens with no signal, and how the trial works.
- The full feature listSix categories, in the order a job happens, each one tied to what the app actually does.
- What it costsAll three plans, what is in each, and what a trial actually gets you.
- Help CenterStep-by-step guides to every screen in the app: what to tap, in the order you tap it, with the buttons drawn as you will see them.
- Security and your dataWhere the data lives, who can reach it, and what happens when you ask for it back or ask us to delete it.
- GST/HST rates by provinceThe combined rate for every province and territory, how it breaks down, and which one applies when the job is in another province.
Where Zeus comes in
Everything on this page is free. So is the Free plan.
The calculators, the checklists, the invoice and quote builders, and every guide in the Resource Center cost nothing and ask for nothing. They are the same job as Zeus, one page at a time: price it, check it, write it down. The app is where it stops being one page at a time. Jobs, clients, photos and history live in one place on your phone, working with no signal.
Free Plan, no card needed, and it never runs out.
ZEUS