Flagsmith
flagsmith.comBuild Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Ship Faster and Control Releases with Feature Flag Management
How to Replace FlagsmithOverview
Features
49 features across 15 categories
Automation(1)
Schedule feature flag changes to activate at specific times without manual intervention
Configuration(2)
Create custom fields for feature flag configuration and management
Create and manage unlimited development, staging, and production environments
Core Functionality(2)
Wrap sections of code with flags and manage feature toggles across web, mobile, and server-side applications without code deployment
Customize feature values and configurations in real-time without code changes or app store approvals, allowing deployment of functional and visual changes
Deployment(4)
Enterprise-grade SaaS cloud hosting with global optimization across eight regions for minimal latency
Self-host feature flags on-premises or in your own cloud infrastructure with Helm and OpenShift support
Open source codebase available for transparency and community contributions
Fully managed private deployments in any cloud provider and region of choice
Developer Tools(13)
Official .NET SDK for feature flag integration
Official Android and Kotlin SDK for mobile feature flag integration
Official Flutter SDK for cross-platform mobile feature flag integration
Official Go SDK for feature flag integration
Official iOS SDK for native mobile feature flag integration
Official Next.js isomorphic SDK for server-side and client-side flag management
Official Node.js SDK for server-side feature flag management
Official PHP SDK for feature flag integration
Official Python SDK for feature flag integration
Official React and React Native SDK for feature flag integration
Official Ruby SDK for feature flag integration
Official Rust SDK for feature flag integration
Official SDKs for multiple programming languages and frameworks
Governance(3)
Maintain unlimited audit log history with tracking of all changes per logged-in team member
Implement change request workflows for governance and security in feature management
Log all changes to features for auditing purposes and enable painless rollback of updates
Integration(3)
Integrate with popular customer data platforms and analytics products to analyze test results
Access feature flags through REST API endpoints for integration with external systems
Connect with external tools and platforms
Performance(2)
Real-time flag delivery with global low latency optimization across multiple regions
Deliver flag updates in real-time to applications
Release Management(2)
Implement canary deployment practices with granular segmentation rules
Deploy features to a percentage of user base with easy scaling or rollback based on performance metrics
Scalability(1)
Support unlimited user identities and segments within fair usage policy
Security(6)
Enterprise SSO support through Active Directory Federation Services
Enterprise directory support through LDAP protocol
Enterprise SSO support through Okta
Control feature management access with role-based permissions and user roles
Enterprise SSO support through SAML protocol
Secure account access with 2FA support
Support(4)
Email-based technical support included in certain plans
Service level agreements for enterprise deployments
Enterprise on-boarding and training services
Priority technical support via chat, Discord, Slack, and Teams
Targeting(2)
Manage feature flags by development environment, individual users, user segments, or percentage of user base for precise control
Create detailed user segments based on stored traits and roll out features based on segments without code changes
Testing(3)
Drive A/B and multivariate tests with percentage splits across two or more variations for precise testing and experimentation
Use multivariate flags to test multiple variations and run A/B/n testing with granular control
Test features in production by creating internal user segments and exposing features only to internal teams
User Management(1)
Store traits associated with users to enable understanding of user base characteristics like early adopters and most active users
Pricing
Free
- ✓Up to 50,000 Requests Per Month
- ✓1 Team Member
- ✓Unlimited Feature Flags
- ✓Unlimited Environments
- ✓Unlimited Identities and Segments
- ✓3rd Party Integrations
- ✓A/B and MVT Testing
- ✓Online Terms and Conditions
- ✓API Access
Start-Up
- ✓Up to 1,000,000 Requests Per Month
- ✓3 Team Members
- ✓Unlimited Feature Flags
- ✓Unlimited Projects
- ✓Unlimited Environments
- ✓Unlimited Identities and Segments
- ✓Email Technical Support
- ✓Scheduled Flags
- ✓Two-Factor Authentication (2FA)
- ✓3rd Party Integrations
- ✓A/B and MVT Testing
- ✓Online Terms and Conditions
- ✓API Access
Enterprise
- ✓5,000,000+ Requests Per Month
- ✓20+ Team Members
- ✓Unlimited Feature Flags
- ✓Unlimited Projects
- ✓Unlimited Environments
- ✓Unlimited Identities and Segments
- ✓Advanced Hosting Options
- ✓Priority Real-Time Technical Support
- ✓Governance Features (Roles, Permissions, Change Requests, Audit Logs)
- ✓Features for Maximum Security
- ✓Optional On-Premise or Private Cloud Installation
- ✓On-Boarding and Training
- ✓Enterprise SLA
- ✓Cloud Global low latency on Edge API
- ✓3rd Party Integrations
- ✓A/B and MVT Testing
- ✓Online Terms and Conditions
- ✓API Access
Cost Calculator
Keep Paying Flagsmith
Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 49 features at very easy complexity.
Build vs Buy
Should you build a Flagsmith alternative or buy the subscription? Estimate based on 49 features.
Buy Flagsmith
Better ValueBuild Your Own
Buying Flagsmith saves ~$22,560 over 3 years vs building.
Estimates based on 49 features and a BuildScore of 5/5. Actual costs vary.
Integrations
6 known integrations