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Best 401(k) Software in 2026

401(k) software helps employers set up and run workplace retirement plans. Tools in this category can cover employee enrollment, payroll connections, investment choices, compliance support and participant access. Android, iOS and web access vary by product. Check the platform listing, free-plan terms, starting price or quote process, and the plan features needed by your workplace.

14 appsSorted 13 Nov 2026How we rank
18.1
Betterment logo

Betterment combines cash management, guided investing, and retirement planning in a service that acts as a fiduciary.

Free planAndroidiOSWeb
From $0.65 a year
26.6

Vestwell provides savings programs covering retirement, education, healthcare, emergency savings, student-loan repayment, and disability savings.

AndroidiOSWeb
From $45 a month
36.2

ADP Help Me Choose is an optional benefits guidance tool for employees during Open Enrollment.

AndroidiOSWeb
Price on the maker’s site
  1. 4
    6.1Free plan
  2. 5

    Human Interest

    AndroidiOSWeb
    6.0From $80 a month
  3. 6
    5.3
  4. 7

    Guideline

    AndroidiOSWeb
    5.2
  5. 8
    5.2
  6. 9
    4.9
  7. 10
    4.9
  8. 11
    4.7
  9. 12
    4.6
  10. 13
    4.6
  11. 14
    4.3

Choosing well

Check phone and web access

Look for Android, iOS and web support in the product details. A participant mobile app can help employees review or manage retirement accounts away from a computer.

If Android access matters, confirm that the listing names an Android app before choosing a service.

Compare free and paid terms

Review the Free plan field and the paid-from amount. Pricing may be listed as a starting figure or as pricing on request, so compare the quote process with your budget.

Plan types can change what employers and participants receive. Read the plan description before comparing prices.

Review enrollment and payroll links

Employee enrollment and payroll integrations affect setup and ongoing administration. Check which connections and enrollment workflows match your payroll process.

Confirm these details directly in the product information when a specific integration is required.

Assess investments and compliance

Compare the investment options and compliance support described for a service. These fields help you match plan administration with the choices and oversight your workplace needs.

Keep the required features in view when comparing providers such as ADP Help Me Choose, Guideline or Transamerica Retirement Solutions.

Questions people ask

Which platforms are covered?

The category includes web, iOS and Android platforms. Check an individual listing to confirm whether it supports the device you use.

Do these services offer free plans?

Use the Free plan field for the product. Paid entries may show a starting price or say pricing is available on request.

What administration features should I compare?

Compare employee enrollment, payroll integrations, investment options and compliance support, along with plan types and pricing.

Is a participant mobile app included?

Participant mobile app support is a comparison field. Check the product details to see whether it is offered and which platforms it supports.

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