About this app
Certeo is an independent, privately developed study tool for contractor business-and-law topics. It is not a government app, does not represent any government entity, and is not affiliated with or endorsed by NASCLA, PSI, CSLB, or any state licensing or testing authority. Exam requirements vary by jurisdiction; always verify them with your official licensing agency. PRACTICE ORIGINAL QUESTIONS - 200+ original practice questions across 10 business-and-law topic areas - An explanation and educational source reference after each answer - Topics include business organization, estimating and bidding, contract law, financial management, insurance and bonding, labor and employment, workplace safety, project scheduling, building codes, and environmental regulations - Practice questions are not copied from a real exam and do not predict or guarantee an exam result STUDY IN FOCUSED ROUNDS - 10-question rounds, one question at a time - Instant explanation after every answer - Topic-by-topic readiness estimates to help choose what to review next OFFICIAL GOVERNMENT SOURCES Certeo's educational material references public information. Check current laws, study guides, and exam requirements directly at: - California CSLB Examination Study Guides: https://www.cslb.ca.gov/contractors/applicants/Examination_Study_Guides/ - U.S. Department of Labor, Fair Labor Standards Act: https://www.dol.gov/agencies/whd/flsa/ - OSHA Laws and Regulations: https://www.osha.gov/laws-regs - U.S. EPA Laws and Regulations: https://www.epa.gov/laws-regulations STATE-SPECIFIC LICENSING NASCLA states that it does not administer state business-and-law examinations and provides links to state licensing agencies: https://www.nascla.org/state-business-and-law-exams OWN IT FOREVER - One payment; no subscription or recurring charge - Free: 20 questions across 2 topics - Full Access: one localized one-time purchase for the complete question bank across all 10 topics and unlimited rounds PRIVATE BY DESIGN - No account or login required - Your quiz history and readiness estimate stay on your device Terms of Use: https://getcerteo.com/terms/
Latest release
What’s New
Full Access now waits for the App Store plan before checkout, displays the localized price, and gives a clear retry path when plans cannot load. This update also improves purchase-state reliability and accessibility on smaller screens.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 27, 2026 · 3:14 PM Free