What is LoadNinja?
LoadNinja is the cloud load-testing product from SmartBear, focused on real-browser load testing using SmartBear's InstantPlay browser-recorder technology. Pitch: record-and-replay real Chrome browser scripts for SPA-heavy apps, run at scale in SmartBear's cloud. Where it falls short for many modern teams: pricing scales hard with concurrent VUs and comes in load-testing hour bundles, not monthly plans ($350 for 25 hours at 100 VUs, $1,375 for 25 hours at 500 VUs), the InstantPlay format is SmartBear-specific (vendor lock-in), no native JMeter/k6 cloud execution, and the broader SmartBear stack (TestComplete, ReadyAPI, etc.) is enterprise-targeted. Prices from the LoadNinja pricing page, checked October 2026.
When LoadNinja is the right pick
- You're already on SmartBear (TestComplete, ReadyAPI, etc.) and want consolidated billing.
- You need real-Chrome browser-based load testing for heavy SPA workloads.
- Your team has no scripting expertise. InstantPlay record-and-replay fits.
Where LoadNinja leaves gaps
- Concurrent-VU pricing scales hard. There are no monthly plans: Professional starts at $350 per 25 load-testing hours for 100 VUs, 250 VUs cost $875 and 500 VUs $1,375 per 25 hours, and Enterprise is quoted.
- InstantPlay lock-in. Scripts recorded in LoadNinja's recorder don't port to JMeter/k6. SmartBear-specific format.
- No native JMeter/k6 cloud execution. LoadNinja focuses on browser-based load; protocol-level testing is weaker.
- No native synthetic API monitoring. LoadNinja is load-test-only.
- No Core Web Vitals depth. Browser perf data exists but no Lighthouse-grade SEO audits.
LoadFocus vs. LoadNinja: comparison
| Feature | LoadFocus | LoadNinja |
|---|---|---|
| JMeter cloud execution | Yes, .jmx unchanged | No (InstantPlay only) |
| k6 cloud execution | Yes, .js scripts | No |
| Real-Chrome browser load | No (protocol-level HTTP load; Playwright browser checks in monitoring) | Yes (LoadNinja's strength) |
| Record-and-replay browser | No (JMeter/k6 scripts or the web UI test builder) | Yes (InstantPlay, polished) |
| Synthetic API monitoring | Yes, included | No |
| Core Web Vitals depth | Full Lighthouse | Basic |
| Pricing model | Flat SaaS tier | VU tier, sold in 25-hour bundles |
| Entry price | $29/mo ($19/mo billed yearly) | $350 per 25 load-testing hours (100 VUs) |
| Free tier | Forever | Limited trial |
When LoadFocus is the right pick
- You write JMeter or k6 scripts and don't need real-Chrome record-and-replay.
- You want flat predictable pricing: no concurrent-VU metering anxiety at SmartBear scale.
- You need load testing + synthetic monitoring + Core Web Vitals in one tool, not multiple SmartBear products.
- You're small-to-mid market where LoadNinja's $350 entry bundle (25 load-testing hours at 100 VUs) doesn't fit.
- You want a permanent free tier for prototyping.
Migrating from LoadNinja
- Inventory existing LoadNinja tests: likely InstantPlay browser recordings.
- For browser-load workflows: there is no direct equivalent, because LoadFocus does not run real-browser load. Re-create the underlying HTTP requests as a JMeter (.jmx) or k6 (.js) protocol script for load, and/or as a Playwright browser check in API monitoring for the user journey. No automated converter. InstantPlay format is SmartBear-proprietary.
- For simpler HTTP-protocol workflows: rebuild as JMeter (.jmx) or k6 (.js) scripts, faster to set up than browser-based tests and runs at higher VU per dollar.
- Run side-by-side for one release cycle to verify result parity.
- Cancel LoadNinja contract when renewal lapses naturally.
FAQ: LoadFocus vs LoadNinja
Does LoadFocus do real-browser load testing like LoadNinja's InstantPlay?
No. LoadFocus load tests are protocol-level (HTTP/1.1 and HTTP/2): you upload a JMeter .jmx or k6 .js script, or build a test in the web UI, and run it from cloud load generators in 25+ regions, with up to 12,500 virtual users on Pro. Protocol-level load is cheaper per virtual user and scales far higher than real-browser load. Browser checks exist in API monitoring: a Playwright script runs in headless Chromium on a schedule, one browser per run, with screenshots, per-step timings and a trace (paid plans only). If real-browser load is a hard requirement, LoadNinja is the better fit.
Is LoadFocus cheaper than LoadNinja?
Dramatically. LoadFocus load testing starts at $29/mo, or $19/mo billed yearly; LoadNinja has no monthly plans: entry is $350 for 25 load-testing hours at 100 VUs, and the 500-VU plan is $1,375 per 25 hours.
Can I import my LoadNinja InstantPlay scripts?
No automated path. InstantPlay format is SmartBear-proprietary. The migration path is a manual rebuild: the underlying HTTP requests as a JMeter or k6 script for load, and/or a Playwright browser check for monitoring the journey.
What about ReadyAPI / TestComplete integration?
LoadFocus doesn't integrate with SmartBear's broader test suite. If you depend on ReadyAPI for functional API testing + LoadNinja for load, LoadFocus replaces the load piece but not ReadyAPI's functional testing.
Does LoadFocus support .jmx plugins LoadNinja restricts?
LoadNinja's JMeter execution is limited. LoadFocus runs upstream Apache JMeter + most public plugins without artificial restrictions.
Real-Chrome vs Headless-Chrome, does it matter for load testing?
LoadFocus load tests do not use a browser at all: they send protocol-level HTTP traffic. That shows how your servers and APIs hold up, at a far lower cost per virtual user, but it does not run page JavaScript or measure rendering. For browser-side numbers LoadFocus has Playwright browser checks (headless Chromium, one browser per run) and Lighthouse page speed monitoring. LoadNinja's real-Chrome advantage matters for specific anti-bot detection scenarios, rare in load-test contexts.
Get started with LoadFocus
Sign up free and upload your first JMeter .jmx or k6 .js, flat pricing, no concurrent-VU metering.
