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DeadBro — Developer Tools

from €19/mo

DeadBro (Developer Tools): DeadBro is request-based APM for Rails: live traces, slow SQL, N+1 signals, and errors in one place. Pricing: from €19/mo. (data verified August 2026)

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About DeadBro

What is DeadBro?

DeadBro is a Rails application performance monitoring (APM) tool that gives developers live traces, slow SQL detection, N+1 query alerts, and error tracking in a single dashboard. Instead of charging per host or machine, DeadBro bills based on tracked requests, so costs scale with actual traffic, not infrastructure size.

What problem does it solve?

Traditional APM tools often split features across multiple products, require complex setups, and price per host, leading to surprise bills when autoscaling kicks in. DeadBro solves this by offering a Rails-first product with automatic N+1 detection, full error stack traces, and real-time dashboards—all in one app, with billing that pools across apps and caps at your plan.

Who is it for?

DeadBro is ideal for solo Rails developers and small to mid-sized engineering teams who want deep Rails-specific performance insights without enterprise-level complexity or cost. It's not for teams needing multi-language APM or those requiring US-based data residency—DeadBro's EU-hosted infrastructure is a feature for privacy-conscious teams.

Real use cases

Track down a sudden spike in N+1 queries after a deploy, view per-user activity timelines to debug slow endpoints, and set Slack alerts for errors that fail silently. With automatic detection and request drill-down (SQL, cache, memory), you can explain performance issues to your team with exact line numbers and EXPLAIN plans.

Key features

  • Automatic N+1 Detection — Flags N+1 queries in real-time with full query traces and exact line numbers, zero config.
  • Rails Error Tracking — Full stack traces, request context, user info, and instant Slack notifications.
  • Real-Time Dashboards — SQL performance, cache hit rates, memory patterns, and user activity in one live view.
  • Request-Based Pricing — Billing tied to tracked requests, not machine count; no per-host fees.
  • EU-Hosted Data — Telemetry stored on dedicated bare-metal servers in Europe, not on US hyperscalers.
  • Open-Source Agent — 100% open-source agent with 5-minute setup via a Gem and initializer.
  • Uptime Checks & Incidents — Built-in 'Is It Dead' uptime checks and incident management alongside APM data.

SaaSpartout Score

7.7 /10
Ease of use 8.0
Features depth 7.5
Value for money 8.5
Support quality 7.0
Integrations 6.5
Scalability 8.0
Documentation 7.5
Onboarding speed 8.5

Editorial score from our review methodology — not user ratings.

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DeadBro Pricing

DeadBro pricing: from €19/mo.

For comparison: the median starting price in Developer Tools is $19.99/month, measured across 301 tools we track. See the full SaaS Pricing Index →

Free

€0 forever, no card required. Includes 50k requests/mo, dashboard + APM overview, error tracking with stack traces, N+1 detection, 1 uptime check + status page, email alerts, 7-day data retention, 1 app · 1 seat, 25% sample rate.

Starter

€19 per month. Includes 2M requests/mo, dashboard & throughput & P50/P95/P99, error tracking with stack traces, unlimited request drill-down, N+1 detection, deploy tracking, 5 uptime checks + status page, email alerts, 14-day data retention, 3 team seats · 3 apps.

Growth

€79 per month (Most Popular). Includes everything in Starter, 100% sample rate, Slack + email alerts, 25 uptime checks, log viewer linked to requests, TimeBro timeline + deploy markers, request type exclusion, 20 alarm configurations, 30-day data retention, 10 team seats · 10 apps.

Pro

€199 per month. Includes everything in Growth, system monitor (CPU, memory, disk, Sidekiq), auto EXPLAIN ANALYZE on slow queries, side-by-side request comparison, per-user activity tracing, unlimited alarms & uptime checks, account switching, 60-day data retention, unlimited team seats & apps.

Enterprise

Custom volume & contract pricing. Includes everything in Pro, custom data retention, SLA + priority support, volume request pricing, custom onboarding, invoicing & PO billing.

All paid plans have an annual option with 20% discount. No free trial is needed—the free plan is available forever without a credit card.

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Frequently asked questions

How much does DeadBro cost?
DeadBro has a free forever plan with 50k requests/month, and paid plans start at €19/month for 2M requests (Starter). Growth is €79/month, Pro is €199/month, and Enterprise is custom priced. Annual billing gives a 20% discount.
Is DeadBro free to use?
Yes, DeadBro offers a free tier that is always free and requires no credit card. It includes 50k requests per month, error tracking, N+1 detection, and one uptime check.
What is DeadBro used for?
DeadBro is an APM tool for Rails applications. It monitors request traces, SQL performance, N+1 queries, errors, and user activity. It helps developers identify and fix performance issues quickly.
Who is DeadBro best for?
DeadBro is best for solo Rails developers and small-to-medium engineering teams that want a Rails-specific APM solution with transparent request-based pricing and EU data hosting. It's less suited for teams needing multi-language support or US-based data residency.
What are some alternatives to DeadBro?
Alternatives to DeadBro include typical enterprise APM tools like New Relic, Datadog, and Scout APM. However, DeadBro differentiates with request-based pricing, automatic N+1 detection in real-time, and EU-hosted data without relying on AWS, Azure, or GCP.
Does DeadBro offer a free trial?
There is no free trial period because the free plan is available indefinitely. You can start with 50k requests/month for free and upgrade to a paid plan as your traffic grows.

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