The best synthetic monitoring tools in 2026 include Dynatrace, Datadog and New Relic for full-stack enterprise observability, Checkly for developer-first monitoring-as-code, and Pingdom or Site24x7 for simpler uptime checks. For UX-centered and IVR voice-channel monitoring, 2Be-FFICIENT runs predictive synthetic tests trusted by some of France’s largest enterprises for over 25 years.
There is no single best synthetic monitoring tool. The right choice depends on the journeys you must never let fail, the channels they span (web, mobile, API, voice) and the way your teams prefer to work. This guide compares the leading tools in 2026, explains what each one is best at, and gives you a short checklist to pick the right one.
Key takeaway. Pick the tool that matches your critical journeys, not the one with the longest feature list. A developer team shipping APIs has different needs from a bank monitoring a login, a payment and an IVR end to end.
What are the best synthetic monitoring tools in 2026?
| Tool | Best for | Synthetic capabilities | Pricing model | Standout |
|---|---|---|---|---|
| Dynatrace | Large enterprises needing full-stack AIOps | Browser and HTTP/API monitors, single and multi-step, global locations, Davis AI root-cause | Quote-based, consumption | Deep full-stack APM with AI |
| Datadog | Teams already on Datadog observability | Browser and API multistep tests, managed and private locations | Usage-based (per test run) | One unified observability platform |
| New Relic | Dev and ops on one telemetry platform | Scripted browser, API and ping monitors | Usage-based (data and users) | Generous free tier |
| Checkly | Developer teams doing monitoring-as-code | Playwright-based browser and API checks, run from CI/CD | Usage-based (per check) | Tests as code, Git-native |
| Pingdom | SMBs wanting simple uptime and transactions | Uptime, page-speed and multi-step transaction checks | Tiered subscription | Fast, simple setup |
| Site24x7 | Mid-market wanting affordable all-in-one | Web, real-browser, API and mobile-web checks worldwide | Affordable tiered | Broad coverage at low cost |
| Uptrends | European teams needing transaction monitoring | Multi-step transactions, uptime and real-browser checks, global checkpoints | Per-monitor subscription | European checkpoints and data |
| 2Be-FFICIENT | UX- and voice-critical regulated journeys | External-robot journeys across web, mobile (real devices), API and IVR/voice, plus predictive AI (Argos) | Managed SaaS | UX-centered, voice/IVR, predictive, French sovereignty |
Dynatrace, Datadog and New Relic are the heavyweights. They pair synthetic checks with full application performance monitoring (APM), infrastructure metrics and logs, so a failing synthetic test can be traced straight to its cause. The trade-off is cost and complexity: they are sized for large observability programmes, not for a single funnel.
Checkly took a different route. It is built for engineers who want their monitors to live in Git, written as Playwright code and run from the CI/CD pipeline. If your team already automates browser tests, the learning curve is close to zero.
Pingdom and Site24x7 are the pragmatic picks for smaller teams: quick to set up, affordable, and good enough for uptime plus a handful of transaction checks. Uptrends sits between the two, with solid multi-step transactions and European checkpoints for teams that care about where their data is measured.
Is Selenium a synthetic monitoring tool?
Not on its own. Selenium (like Playwright) is a browser-automation framework: it can script a journey, but it does not schedule it, run it from multiple locations, store results or raise alerts. To turn a Selenium script into monitoring you still need a runner, scheduling, locations and alerting around it. That is exactly the layer that Checkly (built on Playwright) and the managed platforms above provide out of the box.
How to choose a synthetic monitoring tool
- Map your critical journeys first. List the transactions that must never fail: login with strong authentication, payment or transfer, online subscription, reaching an IVR. The tool serves the journeys, not the other way around.
- Check channel coverage. Web is table stakes. Confirm the tool covers mobile on real devices (not just emulators), APIs, and the voice / IVR channel if you run a contact center.
- Look at location coverage. Public checkpoints, private locations inside your network, and data residency where it matters.
- Match the scripting model to your team. Record-and-replay for non-developers, code (Playwright/Selenium) for engineering teams that want monitors in version control.
- Judge the alerting, not just the checks. Depth of alerting, escalation, and above all noise control: false alerts erode trust faster than missed ones.
- Compare total cost honestly. Per test run, per monitor, consumption or managed subscription behave very differently as you scale frequency and locations.
- Factor in compliance and sovereignty. In regulated sectors, DORA and NIS2 expect you to test resilience and prove it; data hosted in your region simplifies that.
Synthetic monitoring vs uptime monitoring
These two are often confused. Uptime monitoring only checks whether a service responds: the server returns a 200, so it is reported “up”. Synthetic monitoring replays the full journey, so it confirms a user can actually log in, search and pay, not just that the server is alive. A site can be “up” while the payment step is broken. Only a tool that plays the whole transaction sees that gap. (For the deeper distinction with RUM and APM, see What is synthetic monitoring?)
Where does 2Be-FFICIENT fit?
2Be-FFICIENT is a French publisher of synthetic monitoring for critical user journeys, present for more than 25 years alongside major banking, insurance and e-commerce accounts. It is not a full-stack observability suite, and it does not try to be. Its focus is the depth of the user journey, including channels most tools overlook:
- External robots, zero agent installed. Journeys are tested from the outside, like a real user, without instrumenting production.
- Real mobile devices, not emulators, so mobile measurement reflects the real network, OS and security constraints (including MFA).
- IVR / voice (SVI) coverage, monitored the same way as web and mobile. Few tools test the voice channel at all. (See IVR monitoring.)
- Predictive monitoring with Argos (launching), designed to catch a journey’s drift before the threshold is crossed, moving monitoring from reactive to preventive. (See Argos, the predictive AI.)
- Incident qualification with Opale, which sorts failures by confidence and isolates dubious signals to protect on-call time. (See Opale.)
- Sovereign hosting in France, an asset for regulated banking and insurance.
Against full-stack platforms such as Dynatrace or Datadog, 2Be-FFICIENT’s edge is not the breadth of infrastructure metrics but the depth on the journey itself, the voice channel that most tools ignore, a predictive angle and French data sovereignty. All of these are solid tools; the right one is the one that covers what your regulated journeys actually demand.
FAQ: synthetic monitoring tools
What is the best synthetic monitoring tool?
There is no single best tool. Full-stack teams favour Dynatrace, Datadog or New Relic; developer teams favour Checkly; smaller teams favour Pingdom or Site24x7; UX- and voice-critical regulated journeys favour 2Be-FFICIENT. Match the tool to your critical journeys.
Is Selenium a synthetic monitoring tool?
No. Selenium automates browsers but is not a monitoring platform: you still need scheduling, locations and alerting around it. Checkly (built on Playwright) packages that, and managed tools provide it out of the box.
What is the difference between synthetic monitoring and uptime monitoring?
Uptime monitoring checks whether a service responds. Synthetic monitoring replays the full journey to confirm a user can actually complete it, so it catches a broken payment step even when the server is "up".
How much do synthetic monitoring tools cost?
Pricing models vary: per test run (Datadog), per monitor (Uptrends), consumption (Dynatrace) or a managed subscription (2Be-FFICIENT). The real cost depends on the number of journeys, the frequency and the number of locations.
Can synthetic monitoring test IVR and voice channels?
Yes, but few tools do. 2Be-FFICIENT monitors IVR / voice (SVI) journeys alongside web, mobile and API, so the contact center is covered the same way as a web page.
Going further
- What is synthetic monitoring?: definition, RUM vs APM, use cases
- Transactional monitoring: why simulating your business journeys matters
- Testing vs monitoring: why testing is not enough
- Synthetic monitoring: the solution page
- Argos: the predictive AI
- Opale: the incident-analysis AI
Sources used
- Tool capabilities and pricing models are summarised from each vendor’s official product documentation (Dynatrace, Datadog, New Relic, Checkly, Pingdom by SolarWinds, Site24x7, Uptrends), 2026.
- Synthetic vs uptime definitions: active vs passive monitoring, common industry references (2024-2026).
2Be-FFICIENT positioning (external robots, real devices, IVR/voice, predictive Argos, French hosting): company information. Argos predictive capability is launching, with no customer results claimed at this stage.
