10 free paycheck + freelance calculators in one app (no signup, no paywall)

If you are tired of juggling ten calculator apps for payroll, freelance rates, mortgages, and invoicing, this one bundles them all — free, no signup, no paywall, works offline for core math. Available on Google Play and the App Store.

1. Paycheck Calculator — US, UK, India, Australia

Your real take-home pay in 5 seconds across four countries. Federal + state/province options, pre-tax deductions (401(k)/pension, health, HSA, super), and a clear breakdown of tax, social security / NI / PF, and employer contributions.

Enter gross pay + frequency → get net take-home per pay period, monthly, and annual.

2. Freelance Rate Calculator

Set your rate without guessing. Enter target annual income, billable hours/week, vacation, sick days, overhead (software, insurance, self-employment tax) → get the hourly rate and day rate you need to charge to actually hit your goal.

Most generic calculator apps skip this. Freelance rate calculator has one of the weakest competitor fields on both stores.

3. Invoice Due Date + Net 30 Calculator

Add payment terms (Net 15 / 30 / 45 / 60, end-of-month, 2/10 Net 30 early-pay discount) to the invoice date → exact due date, days remaining, late-fee projection. Also included: simple invoice generator, no signup.

4. Day Rate Calculator for Consultants & Contractors

Convert target annual income → defensible day rate after unpaid time, vacation, and self-employment tax. Also converts hourly ↔ day rate for gig comparisons.

5. Mortgage Calculator (Affordability + Payment)

Affordability from income + debt, monthly payment, amortization schedule, refinance break-even, and rent-vs-buy. Save multiple scenarios side by side — two mortgage runs, three rent-vs-buy comparisons.

6. Country-Aware Tax Calculator

US, UK, India, Australia, Canada — federal + state/provincial tax calculators. Plus VAT and GST for EU, UK, India, Australia, and New Zealand. Core tax math works offline once the country pack is loaded.

7. Loan + Compound Interest Calculator

Personal, auto, student loans with APR and full amortization. Compound interest for savings and investments across daily, monthly, quarterly, and yearly compounding.

8. Retirement Planner

Savings goal, monthly contribution, realistic projection. Save multiple scenarios (e.g. "retire at 55" vs "retire at 65") and compare projected balance + monthly income.

9. Offer Comparison + Contractor-vs-Employee

Compare two job offers side by side — base, bonus, equity, benefits, 401(k)/pension match, commute, paid time off. Converts everything to annual total comp. Separate tool converts W-2/PAYE salary ↔ equivalent 1099/contractor day rate after self-employment tax.

10. BMI, Age, Percentage, Currency, Tip (+ 1,990 more)

The everyday math you open a calculator for anyway — BMI (metric + imperial), age in years/months/days, percentage of / off / between, tip with split, currency converter with live rates and offline fallback. Plus 1,990 niche tools hiding behind the searchable home screen (health, dev, image, text, shopping, sports, students, housing, crypto).

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Why this app: one download replaces five calculator apps. Core calculators run offline, live rates + tax tables sync when online. 41 languages. Free — supported by standard ads between tools. No signup, no paywall, no subscription.

Install on Google Play or the App Store and open your first calculator in under a minute.

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Originally published at https://apps.teamzlab.com/toss/

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Originally published at https://tool.teamzlab.com?utm_source=blogger&utm_medium=article&utm_campaign=2026-04-10-free-paycheck-freelance-calculators-one-app

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