Nuclide Chart vs HSK Panda

Explore the world of atomic nuclei with the most advanced Nuclide Chart for iPad. This app offers a complete, interactive visualization of all known isotopes (over 3000), perfect for study, research, and teaching. Features: • Live Data: Direct connection to the IAEA (International Atomic Energy Agency) database for up-to-date physical values. • Interactive: Smoothly zoom and pan through the entire chart of nuclides. • Decay Chains: Visualize decay paths (Alpha, Beta, etc.) instantly – step-by-step or as a full chain. • Smart Search: Find isotopes quickly by symbol, mass, or name. • Advanced Filters: Filter by stability or decay mode (Alpha, Beta+, Beta-, Fission). • Detailed Info: Comprehensive data for every nuclide (Half-life, Spin, Binding Energy, Magnetic Moment, Atomic Mass). • Offline-Ready: All data is cached locally for instant access. Ideal for physicists, chemists, students, and anyone interested in nuclear science.

Struggling to memorize Chinese vocabulary? HSK Panda is the HSK study app built by an HSK test-taker — for HSK test-takers. Not just flashcards. A full learning system: read it, hear it, test it — until it sticks. Sprint Learning — Build a Daily Habit Follow a 7-day, 29-cell learning map through study, review, and quiz sessions. Earn adorable panda stamps as you clear each cell. The reward system makes you want to come back every single day. Text + Audio: Train Both Skills at Once The Text List shows Chinese characters, pinyin, and meaning together. The Audio Cards play native Mandarin pronunciation — you guess the word before the answer is revealed. Two modes. One powerful result. Focus Only on What You Don't Know Flag words you haven't mastered. They automatically appear in the "Not Yet" tab so you can drill exactly what needs more work — no time wasted on words you already know. Native Chinese Pronunciation, One Tap Away Every word and example sentence is spoken aloud in natural Mandarin Chinese with a single tap. Build accurate pronunciation from day one. 245 Collectible Panda Stamps Unlock 210 everyday panda stamps + 35 special costume stamps as you progress. Share your achievements and motivational quote cards to Instagram, LINE, or X. Pricing HSK Level 1: Free forever — no credit card needed HSK Levels 2–6: Free for words ¥380 / month (auto-renewing subscription for special functions) Cancel anytime from your App Store account settings. Payment is charged to your Apple ID at confirmation of purchase. Perfect for: HSK 2, 3, 4, 5, 6 exam preparation Beginners building a Mandarin vocabulary foundation Busy learners who can only study 10–15 minutes a day Business Chinese and professional Mandarin learners Anyone who wants to go beyond tourist phrases Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/