1Password vs Duo Security: Pricing Comparison 2026
Side-by-side pricing comparison of 1Password and Duo Security. See all plans, features, and costs at a glance.
Bottom line: 1Password starts at $2.99/mo, making it $0/mo cheaper than Duo Security ($3/mo). Duo Security offers a free plan.
Last updated: March 16, 2026
1Password vs Duo Security: Quick Pricing Facts
| Feature | 1Password | Duo Security |
|---|---|---|
| Starting Price | $2.99/mo | $3/mo |
| Number of Plans | 4 | 4 |
| Free Tier | No | Yes |
| Pricing Model | per-seat | per-seat |
| Annual Discount | N/A | N/A |
1Password is the more affordable option, starting at $2.99/mo compared to Duo Security's $3/mo. Both are Security tools with 8 combined pricing plans and 34 features compared.
Duo Security stands out with a free plan for getting started.
Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Security needs.
| Pricing Plans |  1Password Try it free |  Duo Security Try it free |
|---|---|---|
| Tier 1 | Individual $3/month Includes
| Duo FreePopular $0/monthCheapest Includes
|
| Tier 2 | Families $4/month Includes
| Duo EssentialsPopular $3/monthCheapest Includes
|
| Tier 3 | Teams Starter Pack $20/month Includes
| Duo AdvantagePopular $6/monthCheapest Includes
|
| Tier 4 | Business $8/monthCheapest Includes
| Duo PremierPopular $9/month Includes
|
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What Reviewers Say
Duo Security
Duo Security offers a free plan.
Based on pricing data only. Review the full comparison below for your specific needs.
Best value: Duo Security
Try Duo Security freeWhich Should You Choose?
Choose 1Password if:
- •You want lower per-user costs—1Password starts at $2.99/mo, saving $0.009999999999999787/mo compared to Duo Security at $3/mo
- •You prioritize 1Password's user experience and interface over price (both tools are similarly priced)
- •1Password's per-seat pricing lets you match exact team size without tier gaps
Choose Duo Security if:
- •You need a free plan with Add up to 10 users, Strong MFA—Duo Security offers no-cost access with no credit card required
- •You want more features built-in—Duo Security offers 2 additional features across its plans
- •You prioritize Duo Security's user experience and interface over price (both tools are similarly priced)
Duo Security offers a free plan [1], eliminating the cost barrier for evaluation, while 1Password requires paid subscription from the start. This gives Duo Security a significant advantage for teams with budget constraints or extended trial periods. Once you outgrow Duo Security's free tier, upgrading to a paid plan at approximately Free provides substantial additional functionality. Compare this pricing path against 1Password's tiering starting at $2.99/mo to assess total cost of ownership over 12 months. Duo Security's 4 tiers provide flexibility at different budgets, while 1Password's 4 tiers structure may force you into higher-cost plans than necessary for your use case. If evaluation cost matters to your decision, Duo Security is the obvious starting point with zero financial commitment. Use the free tier to validate core functionality before committing to paid plans from either tool.
Frequently Asked Questions: 1Password vs Duo Security
Which is cheaper, 1Password or Duo Security?
How many pricing plans does 1Password have vs Duo Security?
Does 1Password or Duo Security offer a free plan?
What is the most popular Duo Security plan?
How do 1Password and Duo Security compare for Security?
Sources
- 1Password Official Pricing— Vendor pricing page
- Duo Security Official Pricing— Vendor pricing page
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