Softwr

HR · head to head

15Five vs Sentry

15Five logo

15Five

HR

Performance management that drives results

From
$4/month
Rated
-
Full reviewWebsite
Sentry logo

Sentry

Technology

Application monitoring platform built by developers for developers

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Sentry has a free tier, so it costs nothing to try first.
  • Each has a real cost: 15Five split across three tiers, so performance reviews, OKRs and 360 feedback need Perform at $11 per user per month rather than the $4 Engage tier; Sentry spending caps stop event ingestion when reached, eliminating visibility during critical moments
  • They diverge on capability: 15Five covers Weekly check-ins, Sentry covers Error tracking.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which 15Five and Sentry actually diverge.

Attributes where 15Five and Sentry differ
Attribute15FiveSentry
Starting price$4/monthFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWeb, Ios, Android, ApiWeb, iOS, Android, React Native, Desktop, 30+ frameworks and languages
CategoryHRTechnology

Identical on both: user rating (Not yet rated), founded (2011).

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 15Five

  • Weekly check-ins
  • 1-on-1 meetings
  • OKRs & goal tracking
  • Performance reviews
  • High fives recognition
  • Engagement surveys
  • Pulse surveys
  • Manager effectiveness

Only in Sentry

  • Error tracking
  • Performance monitoring
  • Release tracking
  • Real user monitoring
  • Alerting
  • Issue assignment
  • Breadcrumbs
  • Source maps

Both cover

  • Slack
  • Jira
  • GDPR

What people use each for

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

15Five

  • Running engagement surveys with heat maps and benchmarkingnot Sentry
  • Performance reviews and continuous feedback cyclesnot Sentry
  • Setting and tracking OKRsnot Sentry
  • 360 degree feedback and talent matrix reviewsnot Sentry
  • Compensation review cycles as a paid add-onnot Sentry

Sentry

  • Error monitoringnot 15Five
  • Performance trackingnot 15Five
  • Debug production issuesnot 15Five
  • Release managementnot 15Five
  • User monitoringnot 15Five

Where each one falls short

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

15Five

  • Split across three tiers, so performance reviews, OKRs and 360 feedback need Perform at $11 per user per month rather than the $4 Engage tier
  • Manager training microlearnings are only in Total Platform at $16 per user per month
  • Compensation is a paid add-on at $9 per user per month, rising to $11 with benchmarking
  • The Kona meeting assistant is a further $2 per employee per month and Kona Coach $19 per manager per month
  • Advertised prices are the annual rates

Sentry

  • Spending caps stop event ingestion when reached, eliminating visibility during critical moments
  • Complex configuration required for filters, sampling rules, issue grouping, and alert policies
  • Difficult to configure custom alerts and alert content without creating email inbox bloat
  • Error grouping is imperfect with noise and filtering issues causing incorrect error prioritization
  • Weak for distributed tracing across microservices compared to dedicated APM tools
  • UI dashboard is less customizable than alternatives like Datadog APM for complex monitoring needs

Pricing, plan by plan

15Five

$4/month
  • Engage$4/month
    • Employee Engagement Surveys
    • Targeted Assessments
    • Action Planning
  • Perform$11/month
    • Engage features
    • AMAYA
    • Insights Dashboard
  • Total Platform$16/month
    • Perform features
    • Manager Training Microlearnings

Sentry

Free
  • Developer (Free)Free
    • 5K errors per month
    • 1 user seat
    • 30-day data retention
  • Team$26/month
    • 50K errors per month
    • 5M transaction spans
    • 90-day data retention
  • Business$80/month
    • Higher quotas
    • Extended retention
    • Advanced filtering
  • Organization$199/month
    • SSO integration
    • Audit logs
    • Advanced security

Which should you pick?

Choose 15Five if

  • You need weekly check-ins.
  • You work on Web, Ios, Android, Api.
  • You also want 1-on-1 meetings.
15Five review

Choose Sentry if

  • You need error tracking.
  • You want to start without paying.
  • You work on Web, iOS, Android, React Native, Desktop, 30+ frameworks and languages.
  • You also want performance monitoring.
Sentry review

Questions people ask

Is 15Five or Sentry better?
Neither clearly leads. 15Five starts at $4/month and Sentry at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, 15Five or Sentry?
Sentry has a free tier; the other does not. Paid plans start at $4/month for 15Five and Free for Sentry.
Does 15Five or Sentry run on more platforms?
15Five runs on Web, Ios, Android, Api. Sentry runs on Web, iOS, Android, React Native, Desktop, 30+ frameworks and languages.
Can I use Sentry for free?
Yes. Sentry has a free tier, so you can try it without paying. 15Five starts at $4/month.
What is 15Five best used for?
15Five is most often used for running engagement surveys with heat maps and benchmarking, performance reviews and continuous feedback cycles, setting and tracking okrs, 360 degree feedback and talent matrix reviews. Of those, running engagement surveys with heat maps and benchmarking and performance reviews and continuous feedback cycles are not what Sentry is typically brought in for.
What can 15Five do that Sentry cannot?
15Five covers Weekly check-ins, 1-on-1 meetings, OKRs & goal tracking, Performance reviews. Sentry covers Error tracking, Performance monitoring, Release tracking, Real user monitoring. Both handle Slack, Jira, GDPR.

Answered from the vendors’ own pages

15Five: What are 15Five's core plan tiers and pricing?

15Five offers Engage ($4/user/month), Perform ($11/user/month, marked Most Popular), and Total Platform ($16/user/month). All prices are billed annually. Perform adds AI-assisted performance reviews, OKRs, and 360-degree feedback compared to Engage.

Source
Sentry: Does Sentry have a free tier?

Yes. The free Developer tier includes 5,000 errors per month, one user seat, 30-day retention, and 50 session replays per month.

Source
15Five: What add-on products does 15Five offer?

Manager Content costs $49/manager/month (annually billed). Manager Coaching is $399 per credit (1-on-1 coaching = 1 credit; group coaching = 5 credits). Kona AI Meeting Assistant is $2/employee/month. Kona AI Coach is $19/manager/month. Compensation add-ons start at $9/user/month for base package or $11/user/month with salary benchmarking.

Source
Sentry: How much do Sentry's paid plans cost?

Team plan starts at $26/month (annual) or $29/month (monthly) with 50K errors and 5M spans included. Business plan is $80-89/month. Organization plans start at $199/month with SSO and advanced compliance features.

Source
15Five: Are 15Five contracts flexible?

All 15Five plans require annual billing and contracts. Support is included as dedicated human support with all plans.

Source
Sentry: What programming languages does Sentry support?

Sentry supports over 30 languages and frameworks including JavaScript, Python, Go, Ruby, Java, .NET, PHP, Node.js, and mobile platforms including iOS, Android, and React Native.

Source
Sentry: Does Sentry support self-hosting?

Yes. Sentry can be self-hosted, and the open-source version is available for deployment in on-premises environments.

Source
Sentry: How does Sentry billing work if I exceed my quota?

Sentry offers spending caps that stop ingestion when reached, meaning you lose visibility exactly when you need it most. You can pre-purchase reserved capacity at 20% discount or pay per event on-demand when exceeding included allotment.

Source
Sentry: What integrations does Sentry support?

Sentry integrates with GitHub, GitLab, Jira, Slack, PagerDuty, most CI/CD pipelines, and many other developer tools.

Source
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