Variant StackVariant Stack

FEATURE FLAGS FOR TEAMS

Ship Faster, Ship Safer

Keep flags, tests, and rollouts in one place. Variant Stack gives product and engineering teams clear analytics, SDK access, and safe release steps.

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Connected stack

Northwind Health

01

Manage releases with one place for flags, tests, rollout steps, and live results.

02

Northwind Health

03

Vertex Motors

04

Orion Freight

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Northwind Health

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Vertex Motors

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Orion Freight

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Pine Street Bank

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Apex Grid

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Cedar Cloud

SHIP CONTROL TOOLS

Flags, tests, and rollouts

Target users by plan, region, or device with clean flag rules.

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Flag Rules

Target users by plan, region, or device with clean flag rules.

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A/B Tests

Split traffic, read results fast, and keep the winner live.

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Rollout Steps

Ship in stages from 1% to 100% and stop fast if risk rises.

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01

SDK Access

Use SDKs and API calls in app code, CI, or scripts.

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02

Live Analytics

Track starts, wins, and errors in one clear dashboard.

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03

Team Controls

Set roles, approvals, and audit logs for every change.

FOR PRODUCT AND PLATFORM

Built for product teams

Run tests, compare variants, and ship based on real data.

01

Flag Rules

Target users by plan, region, or device with clean flag rules.

02

A/B Tests

Split traffic, read results fast, and keep the winner live.

03

Rollout Steps

Ship in stages from 1% to 100% and stop fast if risk rises.

04

SDK Access

Use SDKs and API calls in app code, CI, or scripts.

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Use case 01

For Product Teams

Run tests, compare variants, and ship based on real data.

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Use case 02

For Platform Teams

Control flags, guard releases, and keep change logs in one place.

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Use case 03

For SaaS Founders

Ship new plans, features, and pricing tests with less risk.

3 min

average first setup

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3 min

average first setup

99.9%

flag delivery uptime

100K+

checks per workspace

24/7

rollout alert watch

PLANS THAT SCALE

Simple plans for teams

1 workspace 5 live flags 1 A/B test Basic rollout steps Simple analytics board

per workspace / mo

Free

$0

1 workspace

5 live flags

1 A/B test

Basic rollout steps

Most popularPopular

Pro

$49

Unlimited feature flags

Unlimited A/B tests

Multivariate experiments

Percent-based rollouts

annual invoice

Enterprise

Custom

Many workspaces

Approval flows

Audit logs and exports

Custom event limits

Proof

What teams say

Verified

“We cut release risk in the first week and shipped three flags without drama.”

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Maya Chen

Head of Product @ Alderbyte

Verified

“The A/B test dashboard made our winner clear in one afternoon.”

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Jonas Reid

VP Eng @ Northwind Cloud

Verified

“Our team now rolls out by percent, not by guesswork.”

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Priya Shah

Platform Lead @ Cedar Loop

Integrations

Slack

Manage releases with one place for flags, tests, rollout steps, and live results.

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Slack

Slack

Manage releases with one place for flags, tests, rollout steps, and live results.

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GitHub

GitHub

Manage releases with one place for flags, tests, rollout steps, and live results.

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Linear

Linear

Manage releases with one place for flags, tests, rollout steps, and live results.

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Datadog

Datadog

Manage releases with one place for flags, tests, rollout steps, and live results.

The Map

The Map

The Map

Journal

Latest product notes

Questions

Common questions answered

Quick answers before visitors choose a product, service, or next step.

01What does Variant Stack do?+

It manages feature flags, A/B tests, and staged rollouts so product teams can ship with less risk.

02Do I need a credit card to start?+

No. Start free, set up one workspace, and try the core flag tools before you pick a paid plan.

03Can we use it in app code?+

Yes. Use SDKs and API access to read flags, send events, and control releases from your code.

04Does it support multivariate tests?+

Yes. Run multivariate experiments, compare results, and keep the strongest variant live.

05Is it good for big teams?+

Yes. Pro and Enterprise plans add more flags, team controls, audit logs, and higher limits.

06Where is the data hosted?+

Variant Stack is run from Canada and works well for teams in Canada, the US, and the UK.

Get product updates

Get product notes, rollout tips, and release updates from Variant Stack in one short email each month.