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Developer Tools · head to head

ConfigCat vs Contabo

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
Full reviewWebsite
Contabo logo

Contabo

Cloud

Affordable high-performance VPS hosting

From
€4.5/month
Free plan
No
Full reviewWebsite

The short version

  • Only ConfigCat has a free tier, so it costs nothing to try first.
  • Each has a real cost: 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.; Contabo fully unmanaged infrastructure requires all setup and maintenance by customer
  • They diverge on capability: ConfigCat covers Feature flags and configuration, Contabo covers VPS Hosting.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which ConfigCat and Contabo actually diverge.

Attributes where ConfigCat and Contabo differ
AttributeConfigCatContabo
Starting priceFree€4.5/month
Pricing modelPer month by feature flag and environment countUnknown
Free tierYesNo
PlatformsWeb, API, iOS, Android, Node.js, .NET, Java, Python, GoLinux, Windows
CategoryDeveloper ToolsCloud
FoundedUnknown2003

Identical on both: user rating (Not yet rated).

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 Contabo

  • VPS Hosting
  • Dedicated Servers
  • Object Storage
  • Snapshots
  • DDoS Protection
  • Custom ISO
  • Multiple Locations
  • SSD Storage

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 Contabo
  • A team that wants every engineer, product manager and support agent to have a login without paying per seatnot Contabo
  • Decoupling deployment from release with percentage rollouts and a kill switch, without buying an experimentation platformnot Contabo
  • A small team that needs ten flags permanently and can run indefinitely on the free tiernot Contabo

Contabo

  • Web hostingnot ConfigCat
  • Game serversnot ConfigCat
  • Development environmentsnot ConfigCat
  • VPN serversnot 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.

Contabo

  • Fully unmanaged infrastructure requires all setup and maintenance by customer
  • No formal SLA with financial compensation for downtime violations

Pricing, plan by plan

ConfigCat

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

Contabo

€4.5/month
  • Cloud VPS$4.5/month
    • 4 vCPU
    • 8 GB RAM
    • 100 GB SSD
  • Cloud VDS$39/month
    • Dedicated cores
    • 24 GB RAM
    • 180 GB NVMe
  • Dedicated Server$149/month
    • AMD CPU
    • 64 GB RAM
    • 1 TB NVMe

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, Node.js, .NET, Java, Python, Go.
  • You also want percentage rollouts.
ConfigCat review

Choose Contabo if

  • You need vps hosting.
  • You work on Linux, Windows.
  • You also want dedicated servers.
Contabo review

Questions people ask

Is ConfigCat or Contabo better?
Neither clearly leads. ConfigCat starts at Free and Contabo at €4.5/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ConfigCat or Contabo?
ConfigCat has a free tier; the other does not. Paid plans start at Free for ConfigCat and €4.5/month for Contabo.
Does ConfigCat or Contabo run on more platforms?
ConfigCat runs on Web, API, iOS, Android, Node.js, .NET, Java, Python, Go. Contabo runs on Linux, Windows.
Can I use ConfigCat for free?
Yes. ConfigCat has a free tier, so you can try it without paying. Contabo starts at €4.5/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 Contabo is typically brought in for.
What can ConfigCat do that Contabo cannot?
ConfigCat covers Feature flags and configuration, Percentage rollouts, Targeting rules and segments, Unlimited seats. Contabo covers VPS Hosting, Dedicated Servers, Object Storage, Snapshots.

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.

Contabo: What is the base pricing for Contabo VPS?

Contabo Cloud VPS starts at EUR 4.50 per month (approximately $4.95 USD) with 4 vCPU cores and 8 GB RAM. Prices scale up to EUR 39+ per month for dedicated performance VPS with higher specs.

Source
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.

Contabo: Does Contabo raise prices at renewal?

No. Unlike many hosting providers, Contabo does not increase renewal prices. The promotional price you get at sign-up is locked in for future renewals.

Source
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.

Contabo: What data center locations does Contabo offer?

Contabo operates 9 global data center regions including multiple EU locations, US East/Central/West Coast, United Kingdom, India, Singapore, Japan, and Australia.

Source
ConfigCat: How fast does a flag change take effect?

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

Contabo: Does Contabo provide managed services?

No. Contabo VPS is fully unmanaged. You handle all setup, security patching, and system maintenance. Managed hosting adds 2 hours per month of dedicated support for a fee.

Source
Contabo: What is Contabo's uptime guarantee?

Contabo maintains a 99.996% uptime guarantee across all plans. The platform includes unlimited traffic and free DDoS protection.

Source
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