Logging · head to head
Airbrake vs Unleash

Unleash
Software Development
Open-source feature flag and experimentation service
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Airbrake data retention is 30 days on every plan, including the $799 a month Business tier; Unleash the Pay-As-You-Go plan is priced per seat, which can get costly for larger teams.
- They diverge on capability: Airbrake covers Error tracking, Unleash covers Feature flags.
Where they differ
Only the attributes on which Airbrake and Unleash actually diverge.
Identical on both: starting price (Free), free tier (Yes), 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 Airbrake
- Error tracking
- Performance monitoring
- Deploy tracking
- Custom notifications
- API
- Webhooks
- REST
- Web support
Only in Unleash
- Feature flags
- A/B/n testing
- Custom targeting
- SDKs
- SSO
- Audit logs
What people use each for
The jobs each tool is most often brought in to do.
Airbrake
- Error and exception monitoring for web applicationsnot Unleash
- Performance monitoring alongside error trackingnot Unleash
- Alerting a team when a deploy introduces a spike in errorsnot Unleash
- Tracking errors across multiple projects in one accountnot Unleash
Unleash
- Gradual and progressive feature rolloutsnot Airbrake
- Running A/B/n experiments tied to flagsnot Airbrake
- Self-hosting feature management for compliance needsnot Airbrake
- Enterprise SSO-controlled feature flag governancenot Airbrake
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Airbrake
- Data retention is 30 days on every plan, including the $799 a month Business tier
- The entry plan at $19 a month covers 25,000 errors and 7,500 events
- Errors beyond the plan quota are billed on demand
- Audit logs and spike forgiveness require the Pro tier
- The lowest tier is limited to 1 user and 1 team
Unleash
- The Pay-As-You-Go plan is priced per seat, which can get costly for larger teams.
- Self-hosted Enterprise requires a minimum of 5 seats and an annual contract.
- Additional API traffic beyond the included quota is billed per million requests.
- Advanced SLAs and dedicated customer success are reserved for the custom Enterprise tier.
Pricing, plan by plan
Airbrake
Free- Tier 1 (Dev + errors)$19/month
- 25,000 errors per month
- 1 user
- 1 team
- Tier 2 (Basic + errors)$38/month
- 100,000 errors per month
- Unlimited users
- 3 teams
- Pro$76/month
- Unlimited users
- Unlimited teams
- Unlimited projects
- Tier 5 (Growth)$299/month
- 1 million errors per month
Unleash
Free- Pay-As-You-Go$75/month
- Cloud-hosted
- 53M API requests/month included
- Unlimited feature flags, projects and environments
- Custom Enterprise$undefined/mo
- Cloud, self-hosted or hybrid
- Premium support options
- 99.99% uptime SLA
Which should you pick?
Choose Airbrake if
- You need error tracking.
- You want to start without paying.
- You work on Web, Api.
- You also want performance monitoring.
Choose Unleash if
- You need feature flags.
- You want to start without paying.
- You work on web, api, linux.
- You also want a/b/n testing.
Questions people ask
- Is Airbrake or Unleash better?
- Neither clearly leads. Airbrake starts at Free and Unleash at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Airbrake or Unleash?
- Airbrake starts at Free and Unleash at Free.
- Does Airbrake or Unleash run on more platforms?
- Airbrake runs on Web, Api. Unleash runs on web, api, linux.
- Can I use Airbrake for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Airbrake best used for?
- Airbrake is most often used for error and exception monitoring for web applications, performance monitoring alongside error tracking, alerting a team when a deploy introduces a spike in errors, tracking errors across multiple projects in one account. Of those, error and exception monitoring for web applications and performance monitoring alongside error tracking are not what Unleash is typically brought in for.
- What can Airbrake do that Unleash cannot?
- Airbrake covers Error tracking, Performance monitoring, Deploy tracking, Custom notifications. Unleash covers Feature flags, A/B/n testing, Custom targeting, SDKs.
Answered from the vendors’ own pages
Airbrake: What is the lowest-cost Airbrake plan and what does it include?
Tier 1 costs $19 per month and includes 25,000 errors per month, 1 user seat, 1 team, and unlimited projects. This plan targets individual developers. A 10% discount applies when paying annually ($17.10 per month).
SourceUnleash: What does Unleash cost?
Unleash offers a Pay-As-You-Go cloud plan at $75/seat/month with a 14-day free trial, plus a custom-priced Enterprise plan for self-hosted or hybrid deployments.
SourceAirbrake: Which Airbrake plan is marked as the best value?
The Pro plan at $76 per month is marked as Best Value. It includes unlimited users, unlimited teams, unlimited projects, audit logs, and spike forgiveness. Annual billing provides a 10% discount ($68 per month).
SourceUnleash: How is usage metered?
The Pay-As-You-Go plan includes 53M API requests per month, with additional traffic billed at $5 per million requests thereafter.
SourceAirbrake: How many errors per month does each Airbrake tier allow?
Tier 1 allows 25,000 errors per month at $19/month. Tier 2 allows 100,000 errors at $38/month. Tier 4 allows 300,000 errors at $129/month. Tier 5 allows 1 million errors at $299/month. Tier 6 allows 5 million errors at $799/month.
SourceUnleash: What does Unleash integrate with, and is there an API?
Unleash provides an API and 25+ official SDKs across languages, along with SSO integrations via SAML 2.0 and OpenID Connect.
SourceRelated pages
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- Unleash vs incident.io
- Unleash vs Cronitor
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- Unleash vs Openstatus
- Unleash vs Rootly
- Unleash vs Checkly
- Unleash vs CloudWatch
- Unleash vs Dynatrace
- Unleash vs InfluxDB
- Unleash vs AppDynamics
- Unleash vs Axiom
- Unleash vs Azure Monitor
- Unleash vs Cursor
- Unleash vs Windsurf
- Unleash vs Zed
- Unleash vs Amp
- Unleash vs Braintrust
- Unleash vs Codacy
- Unleash vs DeepSource
- Unleash vs Devin
- Unleash vs SonarQube Cloud
- Unleash vs Augment Code
- Unleash vs Baseten
- Unleash vs Drizzle ORM
- Unleash vs Flagsmith
- Unleash vs Bun
- Unleash vs Cline
- Unleash vs Factory
- Unleash vs Humanloop
- Unleash vs Langfuse

