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About

Flagsmith is a fully supported open source Feature Flag, Remote Config, and A/B testing service. Use our hosted API, deploy to your own private cloud, or run on-premise. Flagsmith makes it easy to create and manage features flags across web, mobile, and server side applications. Just wrap a section of code with a flag, and then use Flagsmith to toggle that feature on or off for different environments, users or user segments. Feature flags - Release features with confidence through phased rollouts. Remote config - Easily toggle individual features on and off, and make changes without deploying new code. A/B and Multivariate Testing - Use segments to run A/B and multivariate tests on new features. With segments, you can also introduce beta programs to get early user feedback. Organization Management - Organizations, projects, and roles for team members help keep your deployment organized. Integrations - Easily enhance Flagsmith with your favourite tools.

About

Spar is an AI conversion rate optimization (CRO) and A/B testing platform for Shopify, broader ecommerce, and SaaS teams. It profiles any storefront, grounds recommendations in your funnel data, behavior signals, reviews, public opinion, and brand context, then turns specific friction points into prioritized, test-ready A/B variations, each citing the evidence it came from. Spar runs and measures its own tests using sequential statistics, flagging a winner once a variation reaches 95% probability of being best. Variants are scoped JavaScript, so your theme and app code stay untouched. It works alongside other experiment and task management platforms. Nothing ships without your approval.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Organizations that need a feature management solution

Audience

Ecommerce brands, merchants, and agencies

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version
Free Trial

Pricing

$100/month
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 4.8 / 5
design 5.0 / 5
support 4.6 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Flagsmith
Founded: 2018
United Kingdom
www.flagsmith.com

Company Information

Spar
Founded: 2025
Canada
spar.so

Alternatives

Flagship.io

Flagship.io

Flagship

Alternatives

Split

Split

Harness

Categories

Categories

AB Testing Features

Audience Targeting
Campaign Segmentation
Funnel Analysis
Heatmaps
Landing Pages / Web Forms
Multivariate Testing
Split Testing
Statistical Relevance Analysis
Surveys
Test Scheduling
Visual Editor

Continuous Delivery Features

Application Lifecycle Management
Application Release Automation
Build Automation
Build Log
Change Management
Configuration Management
Continuous Deployment
Continuous Integration
Feature Toggles / Feature Flags
Quality Management
Testing Management

DevOps Features

Approval Workflow
Dashboard
KPIs
Policy Management
Portfolio Management
Prioritization
Release Management
Timeline Management
Troubleshooting Reports

Feature Management Features

A/B Testing
Entitlement Management
Feature Alerts
Feature Flag / Toggle
Feature Rollout Management
Kill Switch
KPI Monitoring
Multivariate Testing
Product Experimentation
Whitelist Creation

Integrations

Amplitude
Datadog
Elestio
Heap
Kubernetes
Mixpanel
New Relic
Quickwork
Red Hat OpenShift
SaaS UI
Segment
Shopify
Slack
Splunk AppDynamics

Integrations

Amplitude
Datadog
Elestio
Heap
Kubernetes
Mixpanel
New Relic
Quickwork
Red Hat OpenShift
SaaS UI
Segment
Shopify
Slack
Splunk AppDynamics
Claim Flagsmith and update features and information
Claim Flagsmith and update features and information
Claim Spar and update features and information
Claim Spar and update features and information