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GrowthBook vs Split: Which is Better in 2026?

Choosing between GrowthBook and Split comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: GrowthBook is our overall pick for feature flags workflows. Pick Split if you need its specific feature set.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Jun 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

GrowthBook

Open-source feature flags and A/B testing

Best for you if:

  • • You want to try before committing
  • Open-source feature flagging and experimentation platform that analyzes results directly in your data warehouse
  • Lightweight SDKs (9KB JS) evaluate flags locally with zero network requests for near-zero latency

Split

Feature flags and experimentation platform

Best for you if:

  • Split is a feature management and experimentation platform
  • It provides feature flags, A/B testing, and gradual rollouts
At a Glance
GrowthBookGrowthBook
SplitSplit
Starts at
FreeFree tier available
Custom
Best For
Feature FlagsFeature Flags
Rating
4.6/54.2/5

Choose GrowthBook or Split?

GrowthBook

Choose GrowthBook if

Open-source feature flags and A/B testing

  • Warehouse-native approach means experiment data never leaves your infrastructure
  • Generous free tier with unlimited flags, experiments, and traffic
  • Open-source edition supports unlimited users at no cost
  • You want a free tier before you commit
Split

Choose Split if

Feature flags and experimentation platform

  • Feature flags platform
  • Good for experiments
  • Active development
FeatureGrowthBookSplit
Pricing ModelFreemiumPaid
User Rating
4.6/5
25 reviews
4.2/5
227 reviews
Categories
Feature FlagsA/B Testing
Feature FlagsA/B Testing

In-Depth Analysis

GrowthBookGrowthBook

Open-source feature flags and A/B testing

Strengths

  • +Warehouse-native approach means experiment data never leaves your infrastructure
  • +Generous free tier with unlimited flags, experiments, and traffic
  • +Open-source edition supports unlimited users at no cost
  • +Ultra-lightweight SDKs with local evaluation keep latency near zero
  • +Enterprise-grade statistics (CUPED, sequential, bandits) included in Pro plan

Weaknesses

  • -Requires a data warehouse connection for experiment analysis, not plug-and-play
  • -Free cloud plan limited to 3 users with no advanced statistics
  • -Pro plan at $40/user/month can get expensive for large teams
  • -Self-hosted deployment needs infrastructure expertise and ongoing maintenance
  • -Visual editor and advanced testing features are only available on paid plans

Key features

Warehouse-native experiment analysis on Snowflake, BigQuery, and RedshiftBayesian and Frequentist statistical engines with CUPED and sequential testingLightweight feature flag SDKs (9KB JS) with local evaluation and zero network requestsVisual A/B test editor for no-code experiments on websitesMulti-arm bandit testing for automated traffic allocationSafe rollouts with automatic rollback on metric regressions
Starts at Free

SplitSplit

Feature flags and experimentation platform

Strengths

  • +Feature flags platform
  • +Good for experiments
  • +Active development
  • +Good features
  • +Fair pricing

Weaknesses

  • -Per-MTU pricing
  • -Learning curve
  • -Feature gaps
  • -Better alternatives exist
  • -Support varies

Key features

Feature flagsExperimentationTargetingMetricsEnterpriseSDK support
Starts at Custom

Pricing: GrowthBook vs Split

PlanGrowthBookSplit
Tier 1
$0/month
Starter (Cloud)
Free
Free
Tier 2
$40/user/month
Pro (Cloud)
Custom
Growth
Tier 3
Custom
Enterprise (Cloud)
Custom
Enterprise
Tier 4
$0
Open Source (Self-Hosted)
N/A

Pricing verified from each vendor's public pricing page. Compare in detail on GrowthBook pricing and Split pricing.

Who Should Use What?

On a budget?

GrowthBook has a free tier. Split is paid only.

Go with: GrowthBook

Want the highest-rated option?

GrowthBook: 4.6/5 (25 reviews). Split: 4.2/5 (227 reviews).

Go with: GrowthBook

Value user reviews?

GrowthBook: 25 reviews (4.6/5). Split: 227 reviews (4.2/5).

Go with: Split

3 Questions to Help You Decide

1

What's your budget?

GrowthBook is freemium. Split is paid. GrowthBook lets you start free.

2

What's your use case?

Both are feature flags tools. Compare their specific features to decide.

3

How important are ratings?

GrowthBook is rated higher: 4.6/5 vs 4.2/5.

Key Takeaways

GrowthBook

  • Higher user rating: 4.6/5 vs 4.2/5
  • Free tier available
  • Our pick for this comparison

Split

  • Larger review base (227 reviews)

The Bottom Line

GrowthBook is our pick.

Frequently Asked Questions

Is GrowthBook or Split better?

GrowthBook is rated in our evaluation. GrowthBook is freemium and Split is paid.

What are GrowthBook and Split used for?

GrowthBook: Open-source feature flags and A/B testing. Split: Feature flags and experimentation platform.

What does GrowthBook cost vs Split?

GrowthBook is freemium (free tier + paid plans). Split is a paid tool. Visit their websites for detailed pricing.

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