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Developer Tools · head to head

ConfigCat vs Rill Data

ConfigCat logo

ConfigCat

Developer Tools

Feature flag service priced per flag and environment with unlimited seats and unlimited monthly active users

From
Free
Free plan
Yes
Visit ConfigCatFull review
Rill Data logo

Rill Data

Business Intelligence

Local-first BI on DuckDB and ClickHouse with dashboards defined as code

From
$20/month
Free plan
No
Visit Rill DataFull review

The short version

  • ConfigCat has a free plan, then $110/mo; Rill Data starts at $20/mo.
  • Only ConfigCat lists feature flags and configuration; only Rill Data lists local development.
  • Prices and features on this page were last checked on 31 August 2026.

Where they differ

Only the attributes on which ConfigCat and Rill Data actually diverge.

Attributes where ConfigCat and Rill Data differ
AttributeConfigCatRill Data
Starting priceFree$20/month
Pricing modelPer month by feature flag and environment countPer user per month plus metered compute
Free tierYesNo
PlatformsWeb, API, iOS, Android, WindowsWeb, Linux, macOS, Windows
CategoryDeveloper ToolsBusiness Intelligence

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in ConfigCat

  • Feature flags and configuration
  • Percentage rollouts
  • Targeting rules and segments
  • Unlimited seats
  • Global CDN delivery
  • Audit log
  • Public API and webhooks
  • SDKs across languages

Only in Rill Data

  • Local development
  • Dashboards as code
  • Embedded DuckDB
  • Bring your own database
  • Alerts and scheduled reports
  • Embedded analytics

What people use each for

The jobs each tool is most often brought in to do.

ConfigCat

  • A consumer or mobile app with millions of users where per-MAU flag pricing would cost more than the flags are worthnot Rill Data
  • A team that wants every engineer, product manager and support agent to have a login without paying per seatnot Rill Data
  • Decoupling deployment from release with percentage rollouts and a kill switch, without buying an experimentation platformnot Rill Data
  • A small team that needs ten flags permanently and can run indefinitely on the free tiernot Rill Data

Rill Data

  • An analytics team that wants dashboard changes to go through code review rather than being edited in a web UInot ConfigCat
  • Interactive exploration of event-scale data where a warehouse round trip per filter click is too slownot ConfigCat
  • Embedding fast slice-and-dice dashboards into a product where the underlying store is already ClickHouse or Druidnot ConfigCat
  • A data engineer prototyping a metrics layer locally on a laptop before committing to any cloud spendnot ConfigCat

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

ConfigCat

  • There is no experimentation or statistical analysis engine, so teams wanting real A/B tests with significance testing must buy and integrate a separate analytics or experimentation product
  • Pricing by flag count punishes exactly the hygiene you want: the Pro tier caps at 100 flags, so teams that do not aggressively retire stale flags are pushed to the 325 dollar Smart tier for housekeeping reasons rather than growth
  • The free tier allows only 2 environments, which does not cover the common development, staging and production split, so almost any real deployment starts on a paid plan
  • It is a smaller vendor than the category incumbents, so enterprise procurement teams will find less depth in compliance attestations, contractual terms and reference architecture than LaunchDarkly offers
  • Flag evaluation relies on SDK-side caching of a CDN-delivered config, which is fast but means propagation of a change is eventually consistent rather than instant, something to understand before relying on it as an emergency kill switch

Rill Data

  • The seat price of 20 dollars is misleading as a budget figure: Rill’s own calculator puts a small two-seat project at around 256 dollars a month, with compute making up the great majority
  • Dashboards are defined in YAML and SQL, so business users cannot create or change one without a developer and a Git workflow, which stalls self-service adoption
  • It is built for the explore-a-metric pattern and does not produce pixel-perfect financial or operational reports, so most organisations still need a second reporting tool
  • AI tokens and API calls are quota-limited per seat, with API overage at a cent per call, so programmatic consumers can create an unbudgeted line item
  • As a smaller vendor competing against Looker, Tableau and Power BI, the ecosystem of consultants, templates and trained analysts is thin, which raises the cost of hiring for it

Pricing, plan by plan

ConfigCat

Free
  • Forever FreeFree
    • 10 feature flags
    • 2 environments and 2 products
    • 2 segments
  • Pro$110/mo
    • 100 feature flags
    • 3 environments and 3 products
    • Unlimited seats and MAUs
  • Smart$325/mo
    • Unlimited feature flags
    • Unlimited environments, products and segments
    • Unlimited seats and MAUs
  • Enterprise$900/mo
    • Everything in Smart
    • Enterprise support and controls
    • Unlimited everything on flag counts

Rill Data

$20/month
  • Starter$20/mo
    • Per seat, up to twenty seats
    • Three projects
    • Compute at 0.15 USD per compute unit hour
  • Growth$30/mo
    • Per seat, up to one hundred seats
    • Ten projects
    • Compute at 0.20 USD per compute unit hour
  • EnterpriseOn request
    • Annual platform licence with negotiated capacity
    • Unlimited seats and projects
    • Dedicated infrastructure

Which should you pick?

Choose ConfigCat if

  • You need feature flags and configuration.
  • You want to start without paying.
  • You work on Web, API, iOS, Android, Windows.
  • You also want percentage rollouts.
ConfigCat review

Choose Rill Data if

  • You need local development.
  • You work on Web, Linux, macOS, Windows.
  • You also want dashboards as code.
Rill Data review

Questions people ask

Is ConfigCat or Rill Data better?
Neither clearly leads. ConfigCat starts at Free and Rill Data at $20/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ConfigCat or Rill Data?
ConfigCat has a free tier; the other does not. Paid plans start at Free for ConfigCat and $20/month for Rill Data.
Does ConfigCat or Rill Data run on more platforms?
ConfigCat runs on Web, API, iOS, Android, Windows. Rill Data runs on Web, Linux, macOS, Windows.
Can I use ConfigCat for free?
Yes. ConfigCat has a free tier, so you can try it without paying. Rill Data starts at $20/month.
What is ConfigCat best used for?
ConfigCat is most often used for a consumer or mobile app with millions of users where per-mau flag pricing would cost more than the flags are worth, a team that wants every engineer, product manager and support agent to have a login without paying per seat, decoupling deployment from release with percentage rollouts and a kill switch, without buying an experimentation platform, a small team that needs ten flags permanently and can run indefinitely on the free tier. Of those, a consumer or mobile app with millions of users where per-mau flag pricing would cost more than the flags are worth and a team that wants every engineer, product manager and support agent to have a login without paying per seat are not what Rill Data is typically brought in for.
What can ConfigCat do that Rill Data cannot?
ConfigCat covers Feature flags and configuration, Percentage rollouts, Targeting rules and segments, Unlimited seats. Rill Data covers Local development, Dashboards as code, Embedded DuckDB, Bring your own database.

Answered from the vendors’ own pages

ConfigCat: How is ConfigCat priced?

By feature flag, environment and product count. Seats, monthly active users and flag reads are unlimited on every plan.

Rill Data: Is Rill open source?

The Rill developer binary is open source and free to run locally; Rill Cloud is the paid product.

ConfigCat: Is the free tier usable?

For small projects yes, but at 10 flags and 2 environments it will not cover a dev, staging and production setup.

Rill Data: How much does it actually cost?

Seats start at 20 USD per month, but hosted compute at 0.15 USD per compute unit hour typically dominates the bill. Bringing your own database removes the usage fee.

ConfigCat: Can it run A/B tests?

It can split traffic, but there is no statistics engine. You need a separate analytics tool to decide a winner.

Rill Data: Can business users build dashboards?

Not directly. Dashboards are YAML and SQL under version control.

ConfigCat: How fast does a flag change take effect?

SDKs poll and cache, so changes propagate on the polling interval rather than instantly.

Rill Data: Which databases can back a deployed project?

DuckDB, ClickHouse, Druid, Pinot, Snowflake and others.

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