Best Error Monitoring Software for Small Business

4 Error monitoring tools ranked by verified entry price, cheapest first. Every price comes from the company’s official pricing page (latest check October 8, 2026). The lowest listed price is Bugsnag at Starting at $20 per month.

1. Bugsnag

   Starting at $20 per month · billed monthly

   Best for: Smaller teams starting to monitor app errors and crashes.

   See Bugsnag pricing

   • Bugsnag vs AppSignal
   • Bugsnag vs Raygun
   • Bugsnag vs Sentry

2. AppSignal

   Paid plan: $25 per month · billed monthly

   Best for: Teams wanting predictable application monitoring.

   See AppSignal pricing

   • Bugsnag vs AppSignal
   • AppSignal vs Raygun
   • AppSignal vs Sentry

3. Sentry

   Team: $29 per mo · billed monthly

   Best for: Teams monitoring applications as they scale with unlimited users.

   See Sentry pricing

   • Sentry vs Raygun
   • AppSignal vs Sentry
   • Bugsnag vs Sentry

4. Raygun

   Crash Reporting: $40 per month · billed monthly

   Best for: Teams wanting fixed-cost crash reporting certainty.

   See Raygun pricing · Raygun alternatives

   • AppSignal vs Raygun
   • Bugsnag vs Raygun
   • Sentry vs Raygun

Ranking is by the entry price we verified, not by features or commissions. Units differ between some tools (per user vs per account), so check the unit line under each price. Higher plans are available for every tool.