Optimizely Experimentation vs VWO Testing

Optimizely Experimentation9.3Visit VWO Testing8.9Visit

Higher score Optimizely Experimentation #1 in A/B Testing Tools 9.3/10 Free plan Free plan✓ 5 of 5 features Visit Optimizely

vs

VWO Testing #4 in A/B Testing Tools 8.9/10 Pricing on request · 30-day trial Free trial✓ 5 of 5 features Visit VWO Testing

• Optimizely Experimentation fits best

  Mature organizations running complex experiments

• VWO Testing fits best

  Teams wanting mature visual experimentation

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Side by side

Feature	Optimizely Experimentation 9.3/10 Visit ↗	VWO Testing 8.9/10 Visit ↗
At a glance
Editor score	9.3	8.9
Ranking	#1 in A/B Testing Tools	#4 in A/B Testing Tools
Best for	Mature organizations running complex experiments	Teams wanting mature visual experimentation
Pricing model	Free plan + paid	Paid
Starting price	—	—
Free plan	✓ (best)	—
Free trial	—	30 days
Deployment	Cloud	Cloud, Mobile
Platforms	Web, iOS, Android	Web, iOS, Android
Compliance	SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS	SOC 2, ISO 27001, GDPR, PCI DSS, 2FA
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Optimizely Experimentation 5/5 · VWO Testing 5/5
Visual editor	✓	✓
Server-side testing	✓	✓
Mobile SDK	✓	✓
Audience targeting	✓	✓
Feature flags	✓	✓
Specs
Test types	A/B testing, multi-page testing, feature testing, server-side testing, multivariate testing, multi-armed bandit testing	A/B, multivariate, split URL, multi-page, cross-domain, device-specific, and AI-assisted experiments
Supported platforms	Web_and_mobile	Web_and_mobile
Our review
Pros	Supports web, mobile, API, and server-side experimentation Combines visual testing, feature flags, targeting, and personalization Includes multivariate, funnel, redirect, and bandit testing options	Supports A/B, split URL, multivariate, visual, and code-based testing Covers web, iOS, Android, and server-side experimentation Combines targeting, Bayesian reporting, feature flags, and rollouts
Cons	Pricing requires contacting sales for an individually packaged plan SDK-based server-side testing may require engineering involvement Its broad feature set may exceed the needs of simple web-test teams	Pricing requires contacting sales Advanced targeting and reporting begin with the Pro plan Broader experimentation features may exceed simple testing needs
Our verdict	Optimizely Experimentation is designed for marketing, product, and engineering teams running experiments across websites, mobile applications, APIs, and other connected digital channels. It covers client-side web testing through a… Read the review →	VWO Testing is an experimentation platform for marketing, product, and development teams working across websites, mobile apps, and server-side experiences. It supports A/B, split URL, and multivariate testing, with audience targeting,… Read the review →

Strengths and trade-offs

• Optimizely Experimentation — where it wins

  • Supports web, mobile, API, and server-side experimentation
  • Combines visual testing, feature flags, targeting, and personalization
  • Includes multivariate, funnel, redirect, and bandit testing options

  Where it doesn't

  • Pricing requires contacting sales for an individually packaged plan
  • SDK-based server-side testing may require engineering involvement
  • Its broad feature set may exceed the needs of simple web-test teams

• VWO Testing — where it wins

  • Supports A/B, split URL, multivariate, visual, and code-based testing
  • Covers web, iOS, Android, and server-side experimentation
  • Combines targeting, Bayesian reporting, feature flags, and rollouts

  Where it doesn't

  • Pricing requires contacting sales
  • Advanced targeting and reporting begin with the Pro plan
  • Broader experimentation features may exceed simple testing needs

• Optimizely Experimentation9.3/10 · Free plan

  A broad experimentation suite for mature teams running complex digital tests.

  Visit OptimizelyFull verdict →
• VWO Testing8.9/10 · Pricing on request · 30-day trial

  A broad experimentation platform for teams that need visual, mobile, and server-side testing.

  Visit VWO TestingFull verdict →