NEWJoin 2M+ software buyers|Get Weekly Insights, Trends & Expert PicksSubscribe free →

Spotsaas logo
Last updated:

Top 7 Free Rakuten SixthSense Observability Alternatives, Compared (2026)

Explore 7 alternatives to Rakuten SixthSense Observability — vetted by our editors with real user reviews, pricing, and feature comparisons.

7 top free Rakuten SixthSense Observability alternatives, compared

Quick answer

The Rakuten SixthSense Observability alternatives worth knowing first are New Relic APM, eG Enterprise and Germain APM. New Relic APM earns the top SpotScore (9.8) and a 4.25★ rating. See how all 7 stack up on score, rating, and price below.

Some teams leave Rakuten SixthSense Observability for the price, others for features or fit. Whatever yours is, these 7 application performance monitoring (apm) tools free alternatives are the picks we'd start with, ranked by SpotScore (real-user satisfaction plus market presence), ratings, and pricing. Editors review each. The table is your quick comparison; the sections below add depth.

ProductSpotScoreRatingPricingBest for
New Relic APMMaximize Java app performance in real-time9.8★★★★☆ 4.25(155)FreeFree Trial · Quotation Basedteams of all sizes
eG EnterpriseReal-time APM for peak performance.9.1★★★★★ 5(4)FreeFree Trial · Freemium · Subscription · Quotation Basedteams of all sizes
Germain APMStreamline performance monitoring and boost productivity.8.6★★★★★ 4.61(57)FreeFree Trial · Subscriptionteams of all sizes
SentinelAgentSecurely monitor and optimize your Microsoft systems.8.1Not yet ratedFreeFree Trial · Quotation Basedteams of all sizes
Splunk CloudReal-time insights for optimized IT performance.8.1★★★★☆ 4.44(16)FreeFree Trialteams of all sizes
SaaS AlertsSecuring SaaS profits with proactive threat detection.7.9Not yet ratedFreeFree Trial · Quotation Basedteams of all sizes
QualeticsEfficiently monitor and improve application performance.7.7Not yet ratedFreeFree Trial · Subscription · Quotation Basedteams of all sizes

9.8

SpotScore

New Relic APM - Application Performance Monitoring (APM) Tools

New Relic APM

Maximize Java app performance in real-time

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.3

155 verified reviews

Add to compare

What is New Relic APM?

New Relic APM is an easy way to monitor, troubleshoot and analyze performance of Java application. Receive early alerts to performance problems as they happen with comprehensive transaction tracing. Analyze data and create custom reports to understand bottlenecks, errors and overall application ...

Read more about New Relic APM
Free TrialTry Free →·

New Relic APM offers custom pricing plan

9.1

SpotScore

eG Enterprise - Application Performance Monitoring (APM) Tools

eG Enterprise

Real-time APM for peak performance.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

5.0

4 verified reviews

Add to compare

What is eG Enterprise?

eG Enterprise is an innovative enterprise application performance monitoring (APM) software solution for the web or SOA enterprise. eG Enterprise monitors Java™, .NET, and SAP applications from a single interface providing detailed transaction, operational and usage metrics in real time. eG ...

Read more about eG Enterprise
Free Trial·

eG Enterprise offers custom pricing plan

Spotsaas Ads

Want your product up here? Put it in front of buyers the moment they're comparing your category.

Reach in-market buyersRank above rivals2M+ buyers a year
Advertise your product

8.6

SpotScore

Germain APM - Application Performance Monitoring (APM) Tools

Germain APM

Streamline performance monitoring and boost productivity.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.6

57 verified reviews

Add to compare

What is Germain APM?

Germain Application Performance Monitoring (APM) tools enable user to take control of application performance and availability from a single, easy-to-use interface. Generate detailed reports and alerts on application performance or availability. Visualize the scope of enterprise with ...

Read more about Germain APM
Free Trial

8.1

SpotScore

SentinelAgent - Application Performance Monitoring (APM) Tools

SentinelAgent

Securely monitor and optimize your Microsoft systems.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

watch-demo

Watch Demo

What is SentinelAgent?

SentinelAgent is a cloud-based monitoring system designed for Microsoft products, such as Exchange, Windows Server, Windows, SQLServer, and Dynamics NAV. It securely collects, saves, and reviews event logs, performance metrics (WMI), and computer specs in real-time from any number of Windows ...

Read more about SentinelAgent
Free TrialTry Free →·

SentinelAgent offers custom pricing plan

8.1

SpotScore

Splunk Cloud - Application Performance Monitoring (APM) Tools

Splunk Cloud

Real-time insights for optimized IT performance.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.4

16 verified reviews

Add to compare

What is Splunk Cloud?

Splunk Cloud is an innovative cloud-based service for optimizing and managing application performance. By delivering real-time data about the performance of applications and IT infrastructure, Splunk Cloud enables user to identify problems and make faster and better business decisions from ...

Read more about Splunk Cloud
Free Trial

7.9

SpotScore

SaaS Alerts - Application Performance Monitoring (APM) Tools

SaaS Alerts

Securing SaaS profits with proactive threat detection.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is SaaS Alerts?

SaaS Alerts ensures that MSPs are able to secure and maximize profits from their customers' core SaaS applications. Utilizing machine learning and pattern recognition, this platform provides immediate lock-down protection for calls of possible security risk, so the MSP may take action even ...

Read more about SaaS Alerts
Free Trial·

SaaS Alerts offers custom pricing plan

7.7

SpotScore

Qualetics - Application Performance Monitoring (APM) Tools

Qualetics

Efficiently monitor and improve application performance.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Qualetics?

Qualetics is an application performance monitoring platform for development and DevOps teams tracking app behavior, user experience, and system performance in real time. It provides customizable dashboards and analytics for identifying performance bottlenecks and errors across applications. ...

Read more about Qualetics
Free Trial·

Qualetics offers custom pricing plan

Why these tools made our shortlist

New Relic APM9.8Best for teams of all sizes

The platform supports a wide range of technologies, particularly Java, making it versatile for different development environments and projects.

Watch for: As your usage scales up, the cost of New Relic APM can increase, making it less cost-effective for smaller teams or startups.

eG Enterprise9.1Best for teams of all sizes

The single interface for monitoring various applications simplifies management and improves user experience, reducing the learning curve and making it accessible for teams.

Watch for: For smaller companies, the pricing structure of eG Enterprise could be a barrier due to its enterprise-focused features, making it less affordable for startups or smaller IT teams.

Germain APM8.6Best for teams of all sizes

Germain's interface ensures that users, regardless of their technical expertise, can navigate the platform and access critical data with ease.

Watch for: The cost of the platform may be high for smaller businesses or those with limited budgets, especially when scaling up to monitor more applications.

SentinelAgent8.1Best for teams of all sizes

SentinelAgent is easy to deploy and use, making it accessible even for organizations without extensive IT expertise.

Watch for: Organizations using non-Microsoft products may not fully benefit from SentinelAgent’s features, as it is optimized for Microsoft-centric environments.

Splunk Cloud8.1Best for teams of all sizes

Splunk Cloud offers detailed analytics that help organizations track performance metrics, identify patterns, and anticipate potential issues.

Watch for: While feature-rich, the platform's extensive features may require a learning curve for users unfamiliar with data analysis and application performance monitoring.

SaaS Alerts7.9Best for teams of all sizes

The platform is user-friendly, allowing MSPs to monitor and manage security threats without complex setups or steep learning curves.

Watch for: Although the platform is user-friendly, initial configuration may require some technical know-how, especially for MSPs new to machine learning-based security solutions.

Qualetics7.7Best for teams of all sizes

Comprehensive APM tools

Watch for: Limited to APM functionalities

Why teams look for a Rakuten SixthSense Observability alternative

Before comparing options, it helps to name why teams leave Rakuten SixthSense Observability in the first place:

  • Lack of customization features may limit advanced functionalities for some users.
  • Marketplace for additional apps and connectors is limited, potentially restricting extended capabilities.

What to weigh when comparing Rakuten SixthSense Observability alternatives

Here's the data-driven picture across all 7 application performance monitoring (apm) tools free alternatives: 7 offer a free tier; and eG Enterprise is the highest rated at 5★ across 4 reviews.

How the list is built.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to Rakuten SixthSense Observability are eG Enterprise (5.0★), Germain APM (4.6★), Splunk Cloud (4.4★). Compare all 7 alternatives side-by-side above.

When evaluating alternatives to Rakuten SixthSense Observability, prioritize: Application Performance Metrics, Real-user Monitoring, Event Logs, Event-based Notification, Uptime Reporting, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Rakuten SixthSense Observability starts from $50.00 per month. Many alternatives offer similar functionality at different price points — some with free tiers, others with more flexible per-seat pricing. Use the filters above to narrow by budget.

Migration difficulty depends on how deeply Rakuten SixthSense Observability is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend shortlisting 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

Which Rakuten SixthSense Observability alternative is right for you?

  • On a budget / just exploring: start with a free tier — New Relic APM, eG Enterprise and Germain APM let you evaluate without paying upfront.
  • If real-user ratings matter most: eG Enterprise has the strongest star rating (5★) among the options with verified reviews.
  • Want the safest pick: New Relic APM has the highest Spotsaas Score (9.8) in this list — a strong default if you're unsure.

Replacing Rakuten SixthSense Observability: how to switch

Migrating from Rakuten SixthSense Observability works best in stages. Export your data, confirm the new tool accepts it, and check that your essential workflows hold up. Try a short pilot before rolling out, and leave Rakuten SixthSense Observability running until you're confident. Most picks above offer free testing.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].