Scores by criterion
| Criterion | 6Sigma.us | Leanscape |
|---|---|---|
| Curriculum (25%) | 8.9/10 ✓ | 8.4/10 |
| Credibility (25%) | 9.5/10 ✓ | 8.4/10 |
| Value (20%) | 8.4/10 | 8.4/10 |
| Flexibility (15%) | 8.9/10 | 9.5/10 ✓ |
| Support (15%) | 8.9/10 ✓ | 7.8/10 |
| Overall | 8.9/10 | 8.4/10 |
Key facts side by side
| 6Sigma.us | Leanscape | |
|---|---|---|
| Program | 6Sigma.us Lean Six Sigma Green Belt | Leanscape Online Lean Six Sigma Green Belt |
| Price | $695 – $2,950 | — |
| Payment plans | — | 3 or 6 monthly installments. |
| Duration | About 2 weeks (on-site/virtual, two 4-day weeks) or 30 hours (online self-paced), plus a project for project certification. | 12 months of access; short video lessons and quizzes. |
| Format | Hybrid | Self-paced |
| Accreditation | Accredited by IACET and ISSSP (per 6Sigma.us). | CPD-accredited certificate. |
| Certificate | Green Belt certification; project certification available; CEUs may be claimed. | CPD-accredited Green Belt certificate on completion. |
| Free trial | — | Free Fundamentals course. |
| Refund policy | — | 15-day money-back guarantee. |
Highlighted cells mark the better value for that row (higher score, lower starting price). “—” means not published or not yet checked. Data checked from October 5, 2026.
Our verdict
Choose 6Sigma.us if…
Professionals who want an IACET-accredited Green Belt with the choice of live virtual classes or self-paced study.
It scores higher on curriculum, credibility and support.
Choose Leanscape if…
Learners who want a CPD-accredited, self-paced Green Belt with installment options.
It scores higher on flexibility.