GoLeanSixSigma.com (GLSS)
34
Risk Score
HEALTHY
Lean Six Sigma Training & Certification is an online professional certification platform providing self-paced courses from White Belt to Master Black Belt levels. It helps operations managers and corporate teams eliminate process waste and reduce defects through structured DMAIC methodology. The platform is notable for its industry-specific case studies spanning healthcare, finance, and government sectors.
GoLeanSixSigma.com (GLSS) Risk Assessment
HealthyGoLeanSixSigma (GLSS) provides a structured professional certification path for Lean Six Sigma. While the product has a strong historical reputation (PMI accreditation and high AppSumo ratings), current signals indicate significant operational decay and a concerning lack of responsiveness to customer complaints.
Cons
- ·Blog has been inactive for over 430 days, suggesting a lack of current content updates.
- ·SaaS maturity is rated as 'CAUTION' due to missing SLAs, breach notification timelines, and security attestations.
- ·High volume of customer complaints (11 threads in 60 days) on Reddit with zero team responses.
- ·Facebook page is inactive with no posts in the last 90 days.
- ·Privacy policy lacks data retention/auto-delete policies and does not mention GDPR/CCPA compliance.
Pros
- ·Accredited by PMI (Project Management Institute).
- ·Strong historical social proof with over 16,000 positive reviews mentioned on Facebook.
- ·Perfect 5.0/5.0 rating on AppSumo (though based on a very small sample of 4 reviews).
- ·Generous 60-day refund policy offered during the AppSumo deal.
GoLeanSixSigma.com (GLSS) Pricing Plans
Free plan
all Lean Six Sigma Certifications
$499
one-time
GoLeanSixSigma.com (GLSS) at a Glance
Online
14
years
Founder
Karlo Tanjuakio
Last Activity
171
days ago
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GoLeanSixSigma.com (GLSS) FAQ
Is GoLeanSixSigma.com (GLSS) worth buying?+
GoLeanSixSigma (GLSS) provides a structured professional certification path for Lean Six Sigma. While the product has a strong historical reputation (PMI accreditation and high AppSumo ratings), current signals indicate significant operational decay and a concerning lack of responsiveness to customer complaints.
What does GoLeanSixSigma.com (GLSS) cost?+
GoLeanSixSigma.com (GLSS) has a free plan and lifetime deals from $499. See the pricing section above for full details.
Is GoLeanSixSigma.com (GLSS) legit?+
GoLeanSixSigma.com (GLSS) has been online for 14 years. Founded by Karlo Tanjuakio. Check the risk score and signal breakdown above for a detailed assessment.
Last analyzed: April 8, 2026
GoLeanSixSigma.com (GLSS)AppSumo Deal