Head-to-head · A/B Testing Tools
Harness Feature Management & Experimentation vs ABsmartly
Harness Feature Management & Experimentation leads on 0 checks, ABsmartly on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreHarness Feature Management & Experimentation · 7.7/10
- Most featuresABsmartly · 5 of 5
Harness Feature Management & Experimentation scores higher on our rubric for a/b testing tools: 7.7 against 5.3 out of 10; our editors rank them #16 and #41.
Harness Feature Management & Experimentation is the better fit for teams combining feature flags and experimentation. ABsmartly is the better fit for enterprise teams needing rigorous experimentation.
- Harness Feature Management & Experimentation fits best
Teams combining feature flags and experimentation
- ABsmartly fits best
Enterprise teams needing rigorous experimentation
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Side by side
| Feature | Harness Feature Management & Experimentation 7.7/10 Visit ↗ | ABsmartly 5.3/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.7 | 5.3 |
| Ranking | #16 in A/B Testing Tools | #41 in A/B Testing Tools |
| Best for | Teams combining feature flags and experimentation | Enterprise teams needing rigorous experimentation |
| Pricing model | Paid | Paid |
| Starting price | Pricing on request | — |
| Free plan | Not checked yet | — |
| Free trial | — | — |
| Deployment | Cloud | Cloud, Self-hosted, Browser extension |
| Platforms | Web, iOS, Android | Web, iOS, Android, Chrome extension |
| Support | Email, Tickets, Community, Docs · 24/7 | Email, Live chat, Docs |
| Compliance | SOC 2, ISO 27001, GDPR, SSO/SAML, 2FA | SOC 2, ISO 27001, GDPR, HIPAA, SSO/SAML |
| Integrations | 12 integrations | 4 integrations |
| Built for | Mid-market, Enterprise | Mid-market, Enterprise |
| Features Harness Feature Management & Experimentation 4/5 · ABsmartly 5/5 | ||
| Visual editor | Not checked yet | ✓ (best) |
| Server-side testing | ✓ | ✓ |
| Mobile SDK | ✓ | ✓ |
| Audience targeting | ✓ | ✓ |
| Feature flags | ✓ | ✓ |
| Specs | ||
| Test types | A/B testing; sequential testing; fixed-horizon testing; warehouse-native experimentation | A/B testing; A/B/n multi-variant testing; Fixed Horizon; Group Sequential Testing |
| Supported platforms | Web_and_mobile | Web_and_mobile |
| Our review | ||
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| Our verdict | Harness Feature Management & Experimentation combines feature flags, progressive rollouts, runtime configuration, release monitoring, and experimentation in one platform. It is designed for engineering, product, and data teams running… Read the review → |
ABsmartly is an experimentation and feature-flag platform for product, engineering, and data teams. It is designed for organizations running experimentation programs across web applications, mobile apps, and backend systems. The platform… Read the review → |
Strengths and trade-offs
Harness Feature Management & Experimentation — where it wins
- Free plan with feature flags and cloud experimentation
- Warehouse-native, sequential, and fixed-horizon testing
- Web, backend, Android, and iOS SDK coverage
Where it doesn't
- Paid pricing requires contacting sales
- No visual editor for experiment creation
- Governance features may exceed simple testing needs
ABsmartly — where it wins
- Fixed-horizon and group-sequential statistical analysis
- Client- and server-side testing with feature flags
- SaaS or self-hosted deployment across web and mobile
Where it doesn't
- Pricing requires a sales conversation
- No free plan is available
- Its broad feature set may exceed simpler testing needs
- Harness Feature Management & Experimentation7.7/10 · Pricing on request
A broad experimentation platform for teams that also need feature flags and governance.
Visit HarnessFull verdict → - ABsmartly5.3/10 · Pricing on request
A rigorous experimentation suite for teams running tests across web, mobile, and backend systems.
Visit ABsmartlyFull verdict →
All A/B testing tools comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update