219+ iOS apps curated and reviewed
SHI Solar Heating Exam Prep is the household name in shi solar heating exam prep, but it's far from the only option. We track 219+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | Yes | May 2026 |
| 2 |  | Free | 4.8★ (7K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.8★ (4K) | No | Yes | Aug 2026 |
| 4 |  | Free | 4.8★ (8.2K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.8★ (5K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.7★ (11K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.7★ (93) | No | Yes | Jul 2026 |
| 8 |  | Free | 4.7★ (315) | No | Yes | Aug 2026 |
Prepare for professional certification exams with a vast library of practice questions and mock tests. Reinforce key concepts and track your progress to build confidence for exam day. Expert-crafted content ensures you study the most relevant material.
Prepare for licensure exams with practice questions, detailed progress tracking, and custom study sessions. Access explanations and references to pinpoint areas for improvement before test day. Upgrade for full access to question sets.
Prepare for your real estate license exam with over 550 practice questions and detailed explanations. This app offers up-to-date content for all 50 states, flashcards, and results tracking to boost your confidence and help you pass on the first try.
Prepare for IT and cybersecurity certification exams with thousands of practice questions and mock tests. Reinforce key concepts and build confidence for your exam day with expert-crafted content and detailed explanations.
Prepare for the ATI TEAS exam with a comprehensive study tool. Access thousands of practice questions, full-length mock exams, and detailed explanations to build confidence and improve retention. Tailor your study sessions and track progress to pass your exam.
Prepare for your HVAC technician certification exam with a comprehensive mobile study tool. It offers a scientific study system, over 1,700 practice questions with detailed explanations, and simulated exams designed by experts. Track your progress and boost confidence for your first attempt.
Prepare for the Project Management Professional (PMP) certification exam with personalized practice questions, study goals, and detailed explanations. This app offers an exam simulator and progress tracking to help you study efficiently and ace your exam.
Prepare for Firefighter I and II written exams with a comprehensive study guide. Access over 2,200 questions based on IFSTA Essentials 6th Edition, with page and NFPA references for each answer. Customize study sessions by chapter or create your own exams.
Prepare for your Journeyman Electrician certification exams with a comprehensive mobile study tool. Practice over 1,200 questions across various electrical topics, including definitions, calculations, and equipment. Boost your confidence and readiness for the official test.
Prepare for your electrical licensing exams with a vast library of practice questions, detailed explanations, and AI-powered assistance. Track your progress and identify weak areas to study more effectively for Journeyman, Master Electrician, and Contractor exams.
Prepare for the ATI TEAS exam with over 1600 practice questions and 800 flashcards. Master English, Math, Science, and Reading sections through realistic simulations and detailed rationales. Study anytime, anywhere with offline access.
Prepare for your HVAC certification exam with a comprehensive practice test simulator. Access over 1,500 questions with detailed analysis and track your progress. Get ready to pass with confidence.
Prepare for standardized tests to achieve your educational and career goals. Access a vast library of courses and practice materials for college entrance, military, and professional certifications. Syncs seamlessly with a web platform for flexible learning.
Prepare for your journeyman electrician exam with a comprehensive study guide. Access over 2,000 practice questions, realistic simulations, and detailed explanations. Track your progress and receive practice reminders to ensure you're ready for certification.
Prepare for professional licensing exams with a comprehensive study tool. Access over 1500 practice questions across various categories to test your knowledge and build confidence before exam day. Ideal for students and professionals seeking a convenient and effective way to study.
Prepare for your HVAC certification exam with over 1500 practice questions and 300 flashcards. This app offers realistic exam simulations and covers all essential exam areas, updated for 2026 guidelines. Study offline anytime, anywhere, and master the material to pass your exam on the first try.
Prepare for your California contractors license exam with practice tests, instructional videos, and an application review system. Upload your completed application for expert feedback and corrections.
Prepare for your real estate license exam with over 1,100 practice questions and detailed explanations. Utilize multiple test modes and a performance tracking system to study efficiently and increase your chances of passing.
Prepare for your EPA 608 HVAC certification exam with a comprehensive mobile study tool. Access over 1,200 practice questions, detailed study content, and versatile testing modes to build confidence and pass on your first attempt.