AI.A vs 知己
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI.A
This investment tool helps organize market information and provides intelligent analysis. It offers features like new stock calendars, hot stock tracking, fund flow data, and AI-powered real-time interpretations of stock and industry news to identify potential investments and understand market shifts.
- New stock calendar
- Hot stock tracking
- Fund flow and turnover rankings
- AI real-time interpretation
- Industry news analysis
- Market trend monitoring
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这是一款专注于市场信息整理与智能分析的投资辅助工具,提供新股日历、热门股票追踪、资金流向与成交额榜单,结合 AI 实时解读个股与行业资讯,帮助你更高效发掘有潜力的股票以及理解市场变化,及时掌握市场热门动态,构建自己的观察体系。所有数据仅供参考,不构成投资建议。 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 使用条款(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
知己
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知己是住在你手机里的 AI 私人管家。它记得你说过的事,在对的时间提醒你,也能在你点头后替你动手。 它记得 · 聊天里随口提到的偏好、过敏、家人喜好,自动整理成记忆 · 拍一张证件,识别号码和有效期,放进档案库 · 记账、心情、体重、目标进度,一处查看 它了解你(可选,默认关闭) · 连接 Apple 健康(HealthKit):只读取步数、睡眠、运动、心率、体重、血压、血糖,每天汇总一条 · 读取日历,回答和提醒时结合你接下来几天的安排 · 导入支付宝、微信、银行账单,预览后一键记账 它动手 · “下周三下午三点提醒我去体检”——直接设好提醒 · 写日历、定闹钟、起草短信、联网查资料 · 凡是会改动手机的操作都会先问你,点“允许”才执行 它提前想到 · 每天早上一份简报,列出今天值得留意的事 · 房贷车贷、信用卡账单、借给朋友的钱,按时提醒还款与收款 · 证件、保单按到期前 180 / 90 / 30 / 7 天阶梯提醒 · 生日、预算、目标逾期都会提前告诉你 你的资料只属于你 · 所有资料只保存在本机,不需要注册账号 · 首次使用 AI 前征得你的同意,随时可撤回 · 健康数据不用于广告,只把汇总作为对话上下文发给你选择的模型服务 · 没有广告,不接入第三方统计和追踪;只有一项可在设置中关闭的匿名使用计数 使用说明:知己通过你选择的大模型服务工作(火山方舟、DeepSeek、Kimi(月之暗面)、智谱、通义千问、OpenAI、Gemini……以及其他兼容 OpenAI 接口的服务),需要填写你自己在该服务的 API Key。知己不是医疗器械,健康相关内容仅供参考。
Screenshots
Verdict
The clearest difference is in-app purchases: 知己 at none against AI.A's 4. 知己 also leads on update cadence (every 3 days vs every 3 weeks). AI.A's advantage is iOS requirement (17 vs 26.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. AI.A sells 4 in-app purchases, starting at $0.99 per 7 days. 知己 asks for nothing beyond the download.
AI.A ships an update every 3 weeks, 知己 every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | AI.A | 知己 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17 — better | 26.0 |
| Further details — not scored | ||
| Size | 5 MB | 8 MB |
| Age rating | 4+ | 12+ |
| Developer | 飞 张 | 伟烈 熊 |
In-app purchases
AI.A
- 周会员$0.997 Days
- 月会员$2.991 Month
- 年会员$9.991 Year
- 永久会员$12.99
知己
No in-app purchases









