Quick math
Basic, scientific, change, bill, and coin calculations when you need an answer quickly.
Android calculator toolbox
Treder Calc
Everyday, business, and register calculators in one clean Android app.
Use Treder Calc for quick math, change due, cash counting, drawer balancing, sales tax estimates, finance, home projects, and saved calculations.
Free downloadOptional PremiumNo adsNo account
What it does
A practical set of calculators for real tasks.
Keep quick calculations, cash tools, and useful estimates in one place.
Cash and business
Count cash, balance drawers, build sales tax estimates, calculate tips, and prepare deposits.
Projects and finance
Work through home projects, time, dates, loans, savings, margins, and other everyday estimates.
Included free
Free calculators
The free version includes five calculators and up to five saved calculations in history.
- Basic Calculator
- Scientific Calculator
- Change Calculator
- Bill Counter
- Coin Counter
Optional Premium
More tools when you need them.
Premium adds business, finance, home project, and organization tools.
Cash and business
- Cash Drawer Balance
- Sales Tax Builder
- Tip Calculator
- Safe Count
- Coin Roll Count
- Deposit Prep
- Petty Cash
- Multi-Drawer
- Commission
- Break-Even
- ROI
Math and finance
- Graphing Calculator
- Unit Converter
- Percentage Calculator
- Discount / Margin
- Time Card
- Date Calculator
- Compound Interest
- Loan Calculator
- Statistics Calculator
- Fraction Calculator
- Mortgage
Home and everyday projects
- Recipe Scaler
- Fuel Cost
- Square Footage
- Paint
- Concrete
- Savings Goal
- Hours & Minutes
Premium also unlocks
- Rearrange calculator cards
- Unlimited saved history
Pricing
Premium is optional.
Billing is handled through Google Play subscriptions.
Monthly
$2.99/month
Flexible access to Premium tools.
Yearly
$24.99/year
Premium access billed annually.
Product details
Google Play product calckit_premium, with monthly and yearly base plans. Manage or cancel through Google Play.
Simple and private
Useful without an account.
No account required. No ads. No selling personal data. Saved calculations, settings, intro state, and Premium status cache stay on your device unless you choose to share something outside the app. Purchases and subscriptions are handled by Google Play.
Some calculators, including tax, mortgage, loan, ROI, and project calculators, are estimates only. Confirm important numbers before making business, tax, financial, construction, or other project decisions.
Questions
Need help with Treder Calc?
For app questions or support, contact Ben Treder. You can also read the privacy, terms, and deletion pages below.