CertPrep vs Subtraction for Kids

Azure Cert Companion is your all-in-one study tool for the Microsoft Azure Fundamentals (AZ-900) certification exam. With 610+ carefully crafted practice questions, detailed explanations, and multiple study modes, you'll be fully prepared on exam day. PASSIVE LEARNING Receive Azure AZ-900 questions throughout your day via notifications. Set how many per day and your preferred time window. Build certification knowledge during commutes, breaks, and downtime without opening the app. PRACTICE MODE Study at your own pace with instant feedback. Every question includes a detailed explanation grounded in official Microsoft Azure documentation. Choose how many questions per session and focus on the topics that matter most. MOCK EXAMS Simulate the real AZ-900 exam experience: - Timed Mode: 40 questions, 45-minute timer — just like the real exam - Untimed Mode: Same format, no time pressure - Sudden Death: One wrong answer and the exam ends Answers and explanations are revealed only after you complete the exam, so you can review your performance honestly. SMART ANALYTICS Track your progress with detailed statistics: - Overall accuracy and study streaks - Score trends over time - Most missed questions with tap-to-review - Session history with pass/fail tracking MOST MISSED QUESTIONS Practice the questions you get wrong most often. Focus your study time where it matters most. SHUFFLED OPTIONS Answer choices are randomized every time a question appears. No memorizing letter patterns — learn the actual concepts. HIDE MASTERED QUESTIONS Once you've answered a question correctly 3 times in a row, hide it from practice sessions. Focus only on what you still need to learn. PRIVACY FIRST No accounts. No servers. No tracking. All your study data stays on your device. Zero data collection. WHAT AZ-900 COVERS - Cloud concepts and cloud service types - Azure architecture and core services - Azure compute, networking, and storage - Azure identity, access, and security - Azure cost management and governance - Azure management and deployment tools PREMIUM Free version includes 10 practice questions per session, 1 passive learning question per day, and unlimited mock exams. Upgrade once to unlock unlimited practice, extra passive learning, hide mastered questions, and most missed practice mode. No subscription. No ads. Ever. Microsoft Azure is a registered trademark of Microsoft Corporation. This app is not affiliated with or endorsed by Microsoft. This app is not affiliated with, endorsed by, or sponsored by Microsoft Corporation. Microsoft Azure is a registered trademark of Microsoft Corporation. All content is independently authored for educational purposes.

Free to try. One-time unlock — no subscriptions, no ads. Works offline. No data collected. Subtraction for Kids: Math helps children ages 6–8 learn to take away within 20 in a calm, playful way. Your child counts friendly objects, hops along a number line, solves number sentences and story problems, and traces the numbers 0–9 with the correct stroke order — all at their own pace, with gentle, encouraging feedback and never a timer or a score. What's inside: • Take Away — see subtraction come to life with objects you can tap • Count What's Left — pick-the-answer practice within 20 • Number Line Jumps — a clear, visual way to subtract • Number Sentences — build real math confidence • Missing Number — playful problem solving • Trace the Numbers — write 0–9 the right way • Story Problems — everyday subtraction to 20 Why parents love it: • No ads, no third-party tracking, no data collected — ever • Works completely offline • A parental gate protects every purchase and link • Kind by design: no timers, no scores, no pressure Free to download and try. A single one-time purchase — “Unlock Everything,” a lifetime unlock ($4.99) — opens all lessons and activities. This is a one-time purchase, not a subscription, and full access requires this in-app purchase. Privacy Policy: https://joykhansayan1.github.io/subtraction-for-kids-math/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: https://joykhansayan1.github.io/subtraction-for-kids-math/support.html Great for kindergarten and first grade math, homeschool, and Montessori-style practice.