CHOOSE WITH EVIDENCE

Find the best feature flags for your workload

Start with the priced options, then check capabilities, limits and commitments. We do not score qualities we have not measured.

What this comparison covers

One application. Requests mean SDK configuration fetches, not local flag evaluations or monthly users. Match actual SDK polling and caching before comparing. Flagsmith identity and trait writes are excluded. ConfigCat transfer is entered separately. Taxes, custom contracts, self-hosting and optional add-ons are excluded.

Evaluating 2 products from 2 published in this category. USD monthly equivalents, before tax. Features and service compatibility need separate evaluation.

Configuration fetches
500,000 fetches / month
Configuration transfer
2 GB / month
Feature flags
10 flags
Environments
2 environments
Team members
3 people
Change the workload and compare plans →

Choose the fit, then compare the bill

  1. Confirm the product supports your requirements. “Not modeled” does not mean a vendor cannot support them.
  2. Compare included usage, hard limits and paid extras at your expected volume.
  3. Account for annual commitments, migration effort and the exclusions shown below.

Priced options to evaluate

2 eligible products. Quote-only, expired and unsupported configurations are excluded from cost rankings.

ConfigCat

Hosted configuration downloads with local flag evaluation.

$0 / month

Forever Free

Official pricing · Checked 2026-10-07

Cost breakdown and exclusions
  • Monthly subscription: $0
  • One application; unlimited team members. Audit history lasts 7 days. Local evaluations are not metered. Free and Pro also limit targeting rules and segments; verify these before choosing.
  • Taxes, promotions, prorations, negotiated contracts and optional add-ons.
  • Download/traffic add-ons, dedicated hosting and multi-product configurations.

Forever Free: $0/month at reference usage.

Flagsmith

Cloud feature flags with bounded request allowances.

$45.00 / month

Start-Up

Official pricing · Checked 2026-10-07

Cost breakdown and exclusions
  • Monthly subscription: $45.00
  • One application using configuration fetches and local evaluation; no identity or trait writes. Unlimited flags and environments are subject to fair use. Network GB is a ConfigCat-specific input; Flagsmith publishes no separate traffic meter for these base plans.
  • Taxes, promotions, prorations, negotiated contracts and optional add-ons.
  • Request overage, extra seats, private cloud, self-hosting and enterprise contracts.

Start-Up: $45.00/month at reference usage.

Questions before you decide

Which Feature flags product is cheapest?

ConfigCat has a lowest modeled cost among the eligible products shown at reference usage. Ties share a rank. This is not a claim about every vendor or workload.