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Nativeblocks

Freemium#37 of 52 in A/B Testing Tools

Nativeblocks: A focused open-source toolkit for testing and updating native mobile screens. Ranked #37 of 52 in A/B Testing Tools by our editors (5.7/10); pricing: Free plan; best for mobile teams testing server-driven UI.

5.7/10Editor score

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Nativeblocks5.7 Visit Nativeblocks

At a glance

Editor score
5.7 / 10
Pricing
Free plan
Best for
Mobile teams testing server-driven UI
Free plan
Yes
Test types
A/B testing; segmented rollouts; personalization
Facts checked
20 Sep 2026

Where it wins
- Frame-level variants, rollouts, targeting, and personalization
- Native Android and iOS SDKs for Jetpack Compose and SwiftUI
- Deploy UI changes without a new app-store release
Where it doesn't
- Focused on iOS and Android rather than broader platforms
- Additional team members cost $9 per member each month
- Additional languages cost $30 per language each month

Our verdict on Nativeblocks

Nativeblocks is an open-source server-driven UI and A/B testing platform for Android and iOS teams. Developers can define native screens with Kotlin, Swift, or TypeScript, then deploy frames through a CLI and deliver layout changes without a new app-store release. Its scope suits mobile teams that need experimentation, segmented rollouts, personalization, feature flags, and remote values alongside native screen delivery.

The pricing model starts with a free allowance: the first team member, first language, and first 100 monthly active users are included. The published paid add-ons show $9 per additional team member per month and $30 per additional language per month, billed monthly. Enterprise adds unlimited users, team members, languages, and usage, plus on-premise deployment, 24/7 dedicated support, and custom integrations. This structure fits teams that can keep their member and language requirements controlled, while larger deployments may need to assess the Enterprise option.

Nativeblocks stands out through its combination of frame-level A/B tests, multiple variants, percentage rollouts, rollback, audience targeting, typed remote values, caching, and offline frame caching. Native SDKs support Jetpack Compose and SwiftUI, while the visual editor, CLI DSL, and CLI-based release management give teams multiple ways to build and publish screens. Managed cloud hosting and self-hosted deployment options broaden its operating choices. It is a strong fit for native mobile teams centered on server-driven UI; teams seeking a broad, multi-platform experimentation system should consider a different category focus.

Your product? Our editors can test Nativeblocks in depth and publish a review, labelled as paid · from $149/mo →

Nativeblocks pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 20 Sep 2026.

See plans on nativeblocks.io

All 4 Nativeblocks plans and prices →

Nativeblocks fact sheet

Free plan	Yes
Paid from	Not verified
Test types	A/B testing; segmented rollouts; personalization
Supported platforms	Mobile
Visual editor	Yes
Server-side testing	Yes
Mobile SDK	Yes
Audience targeting	Yes
Feature flags	Yes
Deployment	Cloud, Self-hosted, Mobile
Platforms	iOS, Android
Compliance & security	SOC 2, GDPR
Built for	Small business, Mid-market, Enterprise (editorial estimate)
Pricing	Free plan (source)
Website	nativeblocks.io
Facts checked	20 Sep 2026

Alternatives to Nativeblocks

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Featured on iTechGuides

Nativeblocks is listed in our A/B Testing Tools directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update