Flagsmith vs Kameleoon

At a glance

Flagsmith has a free plan. We haven't confirmed one for Kameleoon.
Flagsmith offers a free trial (14 days). We haven't confirmed one for Kameleoon.
Flagsmith's lowest paid plan is Start-Up at $45 per month, as of October 23, 2026.
Kameleoon's lowest paid plan is PBX Starter at $495 per month, as of October 28, 2026.
Only Flagsmith lists API and Slack.
Only Kameleoon lists Web.
Both work with Segment.
Both list SSO.
Only Kameleoon lists SOC 2, ISO 27001, GDPR and HIPAA.
Both have a public API.
Both can be self-hosted.

From each tool's own website, checked on the dates below, and from published reviews.

Which to choose

From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.

Choose Flagsmith if you need

A lower starting price. Flagsmith Start-Up is $45 and Kameleoon PBX Starter is $495, both per month.
API or Slack. We haven't found them on Kameleoon's website.
Integration with Amplitude, Datadog or GitHub. We haven't found them on Kameleoon's website.

Choose Kameleoon if you need

Web. We haven't found it on Flagsmith's website.
SOC 2, ISO 27001, GDPR or HIPAA. We haven't found them on Flagsmith's website.

Flagsmith

No reviews yet

Nobody has reviewed Flagsmith yet. Its rating shows once it has 3 reviews.

Review Flagsmith

Kameleoon

No reviews yet

Nobody has reviewed Kameleoon yet. Its rating shows once it has 3 reviews.

Review Kameleoon

The facts

What it does: FlagsmithOpen source feature flag service; KameleoonAn AI platform to build, test and roll out experiments in one place.
Free plan: FlagsmithYes; KameleoonNot confirmed
Pricing: FlagsmithFlat monthly; KameleoonNot confirmed
Paid plans from: Flagsmith

What they share

From the platforms and integrations each website lists.

Platforms

BothNone in common

Only Flagsmith

API
Slack

Only Kameleoon

Integrations

Both

Segment

Only Flagsmith

Amplitude
Datadog

People who switched

Reviewers who say they used one of these before the other.

No reviewer has said they moved between Flagsmith and Kameleoon yet.

Used either of them?

Your review makes this comparison better for the next person. Review Flagsmith or review Kameleoon.

At a glance

Flagsmith has a free plan. We haven't confirmed one for Kameleoon.

Flagsmith offers a free trial (14 days). We haven't confirmed one for Kameleoon.

Flagsmith's lowest paid plan is Start-Up at $45 per month, as of October 23, 2026.

Kameleoon's lowest paid plan is PBX Starter at $495 per month, as of October 28, 2026.

Only Flagsmith lists API and Slack.

Only Kameleoon lists Web.

Both work with Segment.

Both list SSO.

Only Kameleoon lists SOC 2, ISO 27001, GDPR and HIPAA.

Both have a public API.

Both can be self-hosted.

From each tool's own website, checked on the dates below, and from published reviews.