1Password vs Split.io: Full Comparison (2026)
Pricing, features, scores, and a clear verdict on which one is right for you.
The bottom line
1Password positions itself as "the most loved password manager" while Split.io goes after "feature flags plus experimentation" — so the right pick depends on which problem you're actually solving. They take different commercial approaches — 1Password uses a subscription-based model and Split.io a freemium approach, which affects how costs scale as your team grows. Split.io lets you start for free, which means you can validate the fit before committing budget. 1Password requires a paid commitment upfront, so make sure it matches your workflow before signing. 1Password (founded 2006) has had more time to build out its ecosystem and integrations, while Split.io (2015) tends to move faster on modern UX and newer workflows.
At a glance
| 1Password | Split.io | |
|---|---|---|
| Our score | 89/100 | 81/100 |
| Starting price | Free | Free |
| Free tier | No | Yes |
| Best for | The most loved password manager | Feature flags plus experimentation |
Pricing comparison
Calculate your cost
Feature comparison
core
| Feature | 1Password | Split.io |
|---|---|---|
| Password vault | Yes | No |
| Browser extension | Yes | No |
| Mobile apps | Yes | No |
| Password generator | Yes | No |
| Secure sharing | Yes | No |
| Feature flags | No | Yes |
| Targeting rules | No | Yes |
| Percentage rollouts | No | Yes |
| Kill switches | No | Yes |
| Multi-environment | No | Yes |
Ratings breakdown
What the data tells us
How costs scale
Split.io's pricing curve is steeper — the jump from its entry plan to its top tier is more dramatic than 1Password's. If you're a growing team, model the 12-month cost at your projected team size, not just today's. 1Password tends to stay more predictable as you add seats or usage.
Key capabilities you'd miss
Choosing 1Password means going without Feature flags, Targeting rules, Percentage rollouts (which Split.io offers). Choosing Split.io means losing Password vault, Browser extension, Mobile apps. These are the features that typically drive the final decision — check whether your workflow depends on any of them before committing.
Plan flexibility
1Password offers 4 tiers, giving you finer control over what you pay for at each growth stage. Split.io's 2-tier structure is simpler to evaluate but may force you into a higher plan sooner for features you need.
Choose 1Password if...
- You're ready to invest from $null/mo
- You value an intuitive, easy-to-use interface
- Getting strong value for money is a priority
Choose Split.io if...
- You want a free tier to get started
- You value powerful features over simplicity
- Getting strong value for money is a priority
Frequently asked questions
Is 1Password or Split.io better?
1Password scores 89/100 compared to Split.io's 81/100 on VendorVS. However, the best choice depends on your needs — 1Password excels at ease of use (9/10) while Split.io scores 7/10.
How much does 1Password cost compared to Split.io?
1Password starts at free. Split.io starts at free (free tier available). 1Password is the more affordable option.
Does 1Password or Split.io have a free plan?
Split.io offers a free tier. 1Password does not — its cheapest plan starts at $null/mo.
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