| 维度 / 指标 | ![]() | ![]() |
|---|---|---|
| 官方域名 | goodnotes.com | uselayerup.com |
| 定价模式 | 免费增值,免费试用 | 定价请咨询 |
| 月访问量 | 322.73万 (3,227,341) | 2824 (2,824) |
| 月度环比流量变化 | +31.47万 (+10.8%) | -117 (-4%) |
| 主要市场与份额 | 🇺🇸 美国 (33.8%) | 🇺🇸 美国 (98.1%) |
| 直接访问 / 月 | 163.89万 | 2604 |
| 用户评分 | 4.4 | 4.2 |
| 支持的平台 | 网站 | 网站 |

手写笔记、PDF 批注与 AI 学习工具,都在同一块画布上
低延迟墨迹、防误触手掌识别、划掉即擦除以及手写转文字,让书写接近纸笔手感。
导入合同、论文或教材,用手直接标注,批注可搜索并可干净导出。
同时检索键入文本、手写与速写,并把笔记转成摘要、思维导图或结构化计划。
在共享笔记本、文档和白板上同时协作,不再有版本冲突或反复传文件。

长时程 AI 智能体,端到端完成保险与金融服务工作
持续数小时甚至数天不间断工作的长时程智能体,会针对证据与风险进行推理,而不只是给出建议。
面向承保公司、金融机构、TPA 与贷款机构,覆盖 16 条业务线,包括车险、财产险、旅行险、寿险、健康险、商业险、工伤补偿、网络安全险与按揭。
Strata 让用户用自然语言拉取报表、查询智能体集群、调整智能体行为,甚至为某个工作流构建并上线全新智能体。
智能体跨团队已经在用的工具运行,无需推倒重建,也无需强制迁移到新的记录系统。
专项更强将课程材料转变为互动式AI学习工具,不过对手写数字笔记本的关注相对较少。

专项更强Stronger online PDF editing and AI chat capabilities, but lacks tablet-optimized handwritten note-taking workflows.
专项更强Stronger online PDF editing and AI chat capabilities, but lacks tablet-optimized handwritten note-taking workflows.
专项更强Converts notes and PDFs into quizzes and flashcards, but lacks stylus-based handwriting and sketching tools.
专项更强Converts notes and PDFs into quizzes and flashcards, but lacks stylus-based handwriting and sketching tools.
免费 / 开源Gumloop is a no-code AI agent and automation platform where teams build agents that connect to their tools, browse the web, and complete real business tasks.
免费 / 开源Gumloop is a no-code AI agent and automation platform where teams build agents that connect to their tools, browse the web, and complete real business tasks.
将笔记整理成互相连接的类型化对象,而非传统笔记本,但缺乏手写笔触支持。
专项更强Uses an infinite visual canvas for note organization, but lacks Goodnotes' paper templates and PDF annotation polish.

专项更强Automatically converts lectures and PDFs into structured study guides, but lacks freehand ink and drawing tools.
专项更强Automatically converts lectures and PDFs into structured study guides, but lacks freehand ink and drawing tools.
SymphonyAI builds vertical AI applications, agents, and copilots that are tuned to specific industries rather than left generic. Its Eureka AI Platform provides predictive modeling, a low-code agent builder, and prompt-based app generation on top of an AI-ready data foundation, while its industrial IRIS Foundry platform supplies data connectors, a knowledge graph, and pre-built agents for the plant floor.
SymphonyAI builds vertical AI applications, agents, and copilots that are tuned to specific industries rather than left generic. Its Eureka AI Platform provides predictive modeling, a low-code agent builder, and prompt-based app generation on top of an AI-ready data foundation, while its industrial IRIS Foundry platform supplies data connectors, a knowledge graph, and pre-built agents for the plant floor.