Tools for the
1099 economy.

Free, no-signup tools for self-employed Americans: cashflow tool cost calculator, 1099 quarterly tax estimator, and more. Built by Kronos.

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Bottom-line cost

Cashflow Tool Cost Calculator

EarnIn vs Dave vs Brigit vs MoneyLion vs Cash App vs Kronos. See exactly what each app charges for the same cashflow — fees, tips, and express charges included. Most drivers are shocked by the totals.

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Save for April

Gig Worker Tax Estimator

Federal + state + self-employment tax estimate for 1099 drivers. Includes the 2026 IRS standard mileage rate ($0.70/mi). Outputs your monthly set-aside and quarterly payment in seconds.

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Multi-app driver math

Multi-App Earnings Tracker

Plug in weekly earnings from Uber, DoorDash, Lyft, Instacart, and Spark. See your effective hourly rate, $/mile, mileage-deducted net, and tax set-aside — combined and per platform.

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Real card math

Cashback Maximizer

Plug in your weekly fuel and food spend; see annual cashback on Kronos card vs Chase Freedom, Discover It, Cash App Card, and Apple Card. Honest comparison, no marketing.

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Why we build these for free

Because self-employed Americans shouldn't have to read three TurboTax blog posts to figure out a 30-second answer. If a tool helps you, share it with a driver friend — that's the fee.