Experiment FlowExperiment Flow vs The Competition
See how Experiment Flow stacks up against Optimizely, VWO, and other enterprise A/B testing tools.
| Feature | Experiment Flow | Optimizely | VWO | LaunchDarkly |
|---|---|---|---|---|
| Starting Price | $0/mo | $50,000/yr | $199/mo | $10/seat/mo |
| A/B Testing | ✓ | ✓ | ✓ | ✓ |
| Multi-Armed Bandits | ✓ Thompson Sampling | ✓ | ✗ | ✗ |
| Feature Flags | ✓ | ✓ | ✗ | ✓ |
| Statistical Significance | ✓ 95% CI | ✓ | ✓ | ✗ |
| Server-side SDK | ✓ | ✓ | ✓ | ✓ |
| JavaScript SDK Size | ~5KB | ~80KB | ~150KB | ~30KB |
| Setup Time | 5 minutes | Days/Weeks | Hours | Hours |
| No Cookies Required | ✓ | ✗ | ✗ | ✓ |
| Sales Call Required | ✓ No | ✗ Yes | ✗ Yes | ✓ No |
| Self-serve Signup | ✓ | ✗ | ✓ | ✓ |
| Auto-promote Winner | ✓ | ✗ | ✗ | ✗ |
Why Teams Switch to Experiment Flow
90% Cost Savings
Enterprise tools charge $50K-$200K/year. Experiment Flow is just $29/mo for most teams.
Same-Day Setup
No implementation consultants. No multi-week onboarding. Add one script tag and start testing.
Better Bandits
Our Thompson Sampling implementation finds winners faster and wastes less traffic on losing variants.
Privacy by Default
No cookies, no PII tracking. Fully GDPR and CCPA compliant without any configuration.
Real Statistics
Proper hypothesis testing with p-values and confidence intervals. No inflated metrics or "directional" results.
Tiny SDK
About 5KB gzipped. Many enterprise testing scripts are far heavier; ours stays out of the way.
Ready to Make the Switch?
Migrate from Optimizely, VWO, or any other tool in minutes.
Get StartedStart running experiments today. Plans from $29/month.