The latest update focuses on standardizing monetization and refining educational content for the Android platform. As this release lacks sufficient post-launch performance data, the impact remains neutral. Future assessments will determine if the adjusted trial prompts and subscription structure influence user retention.

Updated Google Play billing product IDs and reviewer access.
Standardized pricing support for monthly, annual, and lifetime Pro.
Improved purchase restore and immediate Pro unlock behavior.
Added Play quality updates for modern Android devices.
Refined Six Sigma tools, trial prompts, and Pro gating.

Version 2.0 is our biggest update yet — built to get you certified faster:

• NEW STUDY PATH + TIMED MOCK EXAM — a full Learn → Flashcards → Practice → Test flow, with a full-length mock exam that mirrors the real CSSGB test (pass/fail score, per-domain breakdown, review of every missed question).
• 1,000 PRACTICE QUESTIONS across all 6 exam domains: Overview, Define, Measure, Analyze, Improve, and Control.
• 18 STUDY GUIDES + 270 FLASHCARDS with spaced repetition to lock in DMAIC, Lean, and statistics.
• SHARPER STAT TOOLS — corrected DPMO, yield, control-chart limits, and Cp/Cpk for accurate process-capability and Sigma-level results.
• PROGRESS BY DOMAIN so you can see exactly which area to study next.
• Accessibility and polish throughout.

Study smarter and walk into your ASQ/IASSC Green Belt exam with confidence. Good luck!