Sitor vs PUYU 璞玉

Sitor 是你的 AI 私教。告诉它你想学什么，它会为你规划学习路线、逐步引导、检验掌握程度，让学习真正发生。 核心体验： - 你的材料，就是教材：论文、PPT、电子书、音视频、YouTube/Bilibili 链接——什么格式都能消化。 - 苏格拉底式引导：AI 不直接给答案，而是提问、引导、纠偏——直到你自己建立完整的逻辑链 - 个性化路线图：输入任何主题，AI 先调研全局——核心概念、知识关联、常见误区——为你生成专属学习地图 - 掌握度评估：AI 从多个维度检验你的理解，真正掌握才能解锁下一阶段 - 可视化教学：对话中实时生成图表和知识结构，不是静态幻灯片，而是根据你的理解动态绘制 - 语音交互：支持语音输入和 AI 语音回复，随时随地学习 - 间隔重复：在科学的时间点带你回顾，让遗忘曲线一次比一次平缓 适合终身学习者。编程、数学、语言、投资、营养学等等——任何你想深入的领域都可以。 —————— 订阅与法律信息 Sitor 提供自动续期订阅（Starter / Pro，按月或按年计费），价格以购买页显示为准。订阅将自动续期，你可以随时在 Apple 账户设置中管理或取消。 服务条款（EULA）：https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 隐私政策：https://sitor.cc/privacy

PUYU is an AI vocal growth platform for learners who want to build better singing habits through structured recording, objective feedback, and long-term practice tracking. Record a vocal sample, review analysis across pitch, rhythm, breath, tone, resonance, vibrato, stability, and expression-related indicators, and receive practical guidance for the next practice session. PUYU helps learners understand what is improving, what needs attention, and how their practice history changes over time. Key features: - Voice recording and server-based vocal analysis - Metric-based feedback for daily practice - Personalized training direction based on detected strengths and weaknesses - Practice history, tier, and ranking views for motivation - Community-oriented growth views for learners in the same stage PUYU is designed as a training support tool. It does not provide medical, diagnostic, or guaranteed audition or career outcomes. Analysis results may vary depending on recording quality, background noise, microphone condition, and vocal material.