Do-io

Name: Do-io
Price: 10 USD

Web · Extension · paid plans from $4.92/mo

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Freedom report

One barScore 5.0

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Do-io is ranked #18 of 28 in tax planning software on Freedom251. It runs on Browser extension, Web. There is no free plan. Paid plans start at $4.92/mo.

Do-io plans and pricing

All plans

Wage Wizard One-Week Plan $10 once valid for 7 days Projects wages and withholdings using paystub data · 2026 version only · no subscription needed do-io.tax · 4 Oct 2026

Do-io One-Week Plan $25 once valid for 7 days Federal tax calculator · 2026 version only · no subscription needed do-io.tax · 4 Oct 2026

Wage Wizard $59/yr per user, sold separately Wage Wizard access do-io.tax · 4 Oct 2026

Standard Plan $249/yr per user Selected tax year plus January 1–April 30 of the following year · standard branding do-io.tax · 4 Oct 2026

Custom Plan $349/yr per user Includes Standard Plan features · custom firm branding do-io.tax · 4 Oct 2026

Compared on tax planning software

Free plan: No
Scenario modeling: No

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The record

Purpose: Do-io is a CPA-designed app for tax professionals that simplifies tax calculations and tax estimates.
Federal estimates: Do-io is a federal tax calculator designed around popular items on a federal tax return.
State taxes: Do-io focuses on federal calculations and leaves state tax estimates to the user.
Embedding: The calculator can be embedded on a firm website so clients can run their own estimates.
Branding: The Custom Plan allows firms to customize the app’s appearance with their branding.
Access options: Do-io can be used in a browser, as a mobile app through OpenAsApp, as a Chrome extension, or embedded on a website.
Data collection: The maker says the calculator does not ask for names, addresses, Social Security numbers, or dates of birth, and says it does not collect personally identifiable information.
Authentication: Users create a username and password, and the maker says multi-factor authentication is not required.
Output: After a calculation, users can print a report to PDF.
Limits: Do-io does not include every tax-return line or every possible credit, and the maker recommends more sophisticated projection software for side-by-side scenarios or complex situations.
Estimation approach: The maker says Do-io is designed to produce conservative results and provides tips in the calculator.
Guarantee: The maker says annual plans include a 7-day money-back guarantee.
Support: The site lists [email protected] as its contact email.
Price from: $4.92/mo

Where it ranks on Freedom251

Best Tax Planning Software in 2026#18 of 28

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Sources

do-io.tax· checked 4 Oct 2026