Free plans only

6 Best Free Error Monitoring Tools of 2026

By the Rankozo research desk · Updated November 10, 2026

6 of the 10 tools in our best error monitoring tools ranking offer a permanent free plan. Sentry scores highest among them at 8.9 out of 10.

1. 01

   Sentry

   Development teams that want the widest error tracking feature set and a quota they can tune event by event.

   Free Developer plan for one user with 5k errors; Team $26 per month billed annually with 50k errors

   Full entry, No. 1 overall

   Paid from

   $26

   Score 8.9

2. 02

   Honeybadger

   Small teams that want errors, uptime and status pages from one vendor at a flat, predictable price.

   Free Developer plan with 5,000 errors a month; Team $26 per month or $286 per year with 50K errors

   Full entry, No. 2 overall

   Paid from

   $26

   Score 8.8

3. 03

   GlitchTip

   Budget-conscious teams that want Sentry-compatible error tracking at a low flat price or on their own servers.

   Free Hobby plan with 1,000 events a month; Small $15 per month with up to 100k events

   Full entry, No. 3 overall

   Paid from

   $15

   Score 8.5

4. 04

   AppSignal

   Ruby, Elixir and Node.js teams that want errors and performance in one tool priced by requests.

   See vendor pricing (USD check pending); free plan with 30K requests

   Full entry, No. 5 overall

   Paid from

   Free plan

   Score 8.0

5. 05

   Bugsnag

   Mobile and web teams that want stability scores and error monitoring across 50+ platforms.

   See vendor pricing (USD check pending); free plan for one user with 7.5K events

   Full entry, No. 6 overall

   Paid from

   Free plan

   Score 8.0

6. 06

   Rollbar

   Teams that deploy often and want errors grouped and tied to versions in real time.

   See vendor pricing (USD check pending); free plan with 5K occurrences and 1K sessions a month

   Full entry, No. 8 overall

   Paid from

   Free plan

   Score 7.9

Scores and prices come from our Best Error Monitoring Tools ranking, which uses one method for every tool. Questions or corrections: editorial@rankozo.com