New Relic and TesterArmy are often evaluated together by teams building out their reliability stack. New Relic (observability platform for every engineer, founded 2008) is typically a fit for Developers, DevOps Teams, and SREs, while TesterArmy (now called e2e: an open-source agentic testing framework for web, ios and android, founded 2026) leans toward Small Engineering Teams, Startups Without Dedicated QA, and Product Teams. Both cover 5 of the same core capabilities, so the decision usually comes down to where they diverge.
On capability breadth, New Relic pulls ahead here: it uniquely offers Synthetic Monitoring, Real User Monitoring, Uptime Monitoring, and Alerting, among others. Choose New Relic if those matter to your workflow; TesterArmy (Free and open source as e2e. The legacy TesterArmy dashboard (Free-$299/mo) still runs for existing accounts, but sunsets January 15, 2027) remains a solid option if Open Source is what you need.
Observability platform for every engineer
Pricing: 100 GB/mo free data ingest, $0.40/GB beyond. Standard from $10/mo/user, Pro from $349/user/mo
Founded: 2008
Best for: Developers, DevOps Teams, SREs
Now called e2e: an open-source agentic testing framework for web, iOS and Android
Pricing: Free and open source as e2e. The legacy TesterArmy dashboard (Free-$299/mo) still runs for existing accounts, but sunsets January 15, 2027
Founded: 2026
Best for: Small Engineering Teams, Startups Without Dedicated QA, Product Teams
10 of 18 capabilities separate these two. Those come first.
| Feature | New Relic | TesterArmy |
|---|---|---|
| Where they differ (10) | ||
| Synthetic Monitoring | New Relic: yes | TesterArmy: no |
| Real User Monitoring | New Relic: yes | TesterArmy: no |
| Uptime Monitoring | New Relic: yes | TesterArmy: no |
| Alerting | New Relic: yes | TesterArmy: no |
| Slack Integration | New Relic: yes | TesterArmy: no |
| Multi-Location Checks | New Relic: yes | TesterArmy: no |
| SSL Monitoring | New Relic: yes | TesterArmy: no |
| Open Source | New Relic: no | TesterArmy: yes |
| Dashboards | New Relic: yes | TesterArmy: no |
| Incident Management | New Relic: yes | TesterArmy: no |
| Both tools have (5) | ||
| API & Browser Testing | New Relic: yes | TesterArmy: yes |
| AI-Powered | New Relic: yes | TesterArmy: yes |
| CI/CD Integration | New Relic: yes | TesterArmy: yes |
| Free Tier | New Relic: yes | TesterArmy: yes |
| API Access | New Relic: yes | TesterArmy: yes |
| Neither tool has (3) | ||
| Self-Healing Tests | New Relic: no | TesterArmy: no |
| Status Page | New Relic: no | TesterArmy: no |
| On-Premise / Self-Host | New Relic: no | TesterArmy: no |
Pros
Cons
Pros
Cons
New Relic is an observability platform for every engineer, while TesterArmy is now called e2e: an open-source agentic testing framework for web, ios and android. New Relic adds Synthetic Monitoring, Real User Monitoring, and Uptime Monitoring on top of the shared feature set. TesterArmy brings Open Source that New Relic does not.
New Relic pricing: 100 GB/mo free data ingest, $0.40/GB beyond. Standard from $10/mo/user, Pro from $349/user/mo. TesterArmy pricing: Free and open source as e2e. The legacy TesterArmy dashboard (Free-$299/mo) still runs for existing accounts, but sunsets January 15, 2027. Evaluate against your check volume and team size; entry pricing rarely reflects total cost at scale.
New Relic is designed with Developers, DevOps Teams, and SREs in mind, whereas TesterArmy targets Small Engineering Teams, Startups Without Dedicated QA, and Product Teams. If your team matches the former profile, New Relic is usually the closer fit.
ObserveOne combines synthetic monitoring with AI browser checks that adapt as your UI changes. It offers a free tier, so you can benchmark it against New Relic and TesterArmy directly.
ObserveOne combines AI browser checks with uptime, API, and SSL monitoring on per-run pricing. The free tier is enough to benchmark it against New Relic and TesterArmy directly.
Each tool has its own alternatives page too, not just this matchup.