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Head-to-head · 401(k) Software

Human Interest vs Guideline

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Human Interest #3 in 401(k) Software 8.8/10 Paid ✓ 0 of 3 features Visit Human Interest
Guideline #4 in 401(k) Software 8.6/10 Paid ✓ 3 of 3 features Visit Guideline

Human Interest leads on 0 checks, Guideline on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreHuman Interest · 8.8/10
  • Most featuresGuideline · 3 of 3

Human Interest scores higher on our rubric for 401(k) software: 8.8 against 8.6 out of 10; our editors rank them #3 and #4.

Human Interest is the better fit for small businesses needing payroll connectivity. Guideline is the better fit for small businesses wanting simple managed 401(k)s.

  • Human Interest fits best

    Small businesses needing payroll connectivity

  • Guideline fits best

    Small businesses wanting simple managed 401(k)s

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Human Interest 8.8/10 Visit ↗ Guideline 8.6/10 Visit ↗
At a glance
Editor score 8.8 8.6
Ranking #3 in 401(k) Software #4 in 401(k) Software
Best for Small businesses needing payroll connectivity Small businesses wanting simple managed 401(k)s
Pricing model Paid Paid
Starting price $80/mo —
Free plan — —
Free trial — —
Deployment Cloud, Mobile Cloud, Mobile
Platforms Web, iOS, Android Web, iOS, Android
Support Phone, Docs Email, Phone, Docs
Integrations 600+ integrations 7 integrations
Built for Small business, Mid-market Small business, Mid-market
Features Human Interest 0/3 · Guideline 3/3
Employee enrollment Not checked yet ✓ (best)
Compliance support Not checked yet ✓ (best)
Participant mobile app Not checked yet ✓ (best)
Specs
Plan types 401(k), 403(b) retirement plans Traditional 401(k), Roth 401(k), Safe Harbor 401(k), Profit Sharing, Solo 401(k)
Payroll integrations Not checked yet Gusto, ADP, QuickBooks, Rippling, Justworks, Paychex, BambooHR
Investment options Not checked yet Managed
Our review
Pros
  • 600+ payroll integrations for employee data and contributions
  • Automatic enrollment with customizable setup options
  • Complete and Concierge add filing, fiduciary, loan and distribution support
  • Employer plan setup, administration and compliance workflows
  • Payroll connections with Gusto, ADP, QuickBooks and four others
  • Managed portfolios plus web and mobile participant access
Cons
  • Monthly base fee plus a per-eligible-employee charge
  • Advanced compliance services require Complete or Concierge
  • Focused on retirement plans rather than broader benefits administration
  • Investment options are professionally managed rather than self-directed
  • No AI features are included
  • Enterprise plans use custom plan and pricing
Our verdict

Human Interest provides employer 401(k) and 403(b) retirement plans, combining recordkeeping, plan administration and payroll contribution processing. It is aimed at small and mid-market businesses that want workplace retirement benefits…

Read the review →

Guideline provides cloud-based and mobile software for employers establishing and administering retirement plans. It supports Traditional, Roth, Safe Harbor, Profit Sharing and Solo 401(k) designs, with employee enrollment, participant…

Read the review →
  1. Human Interest401(k) Software 8.8Paid
  2. Guideline401(k) Software 8.6Paid

Strengths and trade-offs

  • Human Interest — where it wins

    • 600+ payroll integrations for employee data and contributions
    • Automatic enrollment with customizable setup options
    • Complete and Concierge add filing, fiduciary, loan and distribution support

    Where it doesn't

    • Monthly base fee plus a per-eligible-employee charge
    • Advanced compliance services require Complete or Concierge
    • Focused on retirement plans rather than broader benefits administration

  • Guideline — where it wins

    • Employer plan setup, administration and compliance workflows
    • Payroll connections with Gusto, ADP, QuickBooks and four others
    • Managed portfolios plus web and mobile participant access

    Where it doesn't

    • Investment options are professionally managed rather than self-directed
    • No AI features are included
    • Enterprise plans use custom plan and pricing

More comparisons

All 401(k) software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update