常州地铁Metro vs DouOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
常州地铁Metro
This official transit app provides real-time information for Changzhou Metro. It allows users to pay fares with a QR code, navigate stations, and check train schedules. The app also offers convenient services like lost and found.
- QR code ticketing
- Metro navigation
- Station information
- First and last train times
- Lost and found services
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常州轨道交通官方APP，掌握最新常州地铁信息。扫一扫，码上出发。 【扫码乘车】免零钱，免带卡；先乘车，后付费。一码在手，说走就走。 【地铁导航】线路图、站点信息、站内设施一键查阅。 【首末班车】班车时刻表置于首页，方便你的随时召唤，智慧规划行程。 【便民服务】提供地铁站厅内贴心服务，如失物招领。
DouOS
An AI friend that chats with you, remembers important details, and helps organize your thoughts and inspirations. It's designed to be a companion rather than a tool, offering a conversational experience for daily reflections and ideas.
- Conversational AI chat
- Remembers user preferences and states
- Organizes conversations, inspirations, and emotions
- Supports voice, images, files, and stickers
- User-controlled data management
- Long-term companionship
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小豆是一个住在你手机里的 AI 朋友，会陪你聊天、记住重要的小事，也帮你把生活里的情绪和灵感慢慢收好。 它不是冷冰冰的工具助手，也不是要你学习复杂指令的后台。你可以像给朋友发消息一样，把今天的小烦恼、突然冒出来的灵感、睡前想说的话，都先告诉小豆。 小豆会做这些事： - 像朋友一样聊天：短消息节奏，不是长篇工具回复。 - 慢慢认识你：你确认过的重要偏好、状态和灵感，小豆会在之后聊天里自然想起。 - 把生活碎片收进盒子：对话、灵感、情绪和收藏，都可以住进你的盒子。 - 支持语音、图片、文件和贴纸：不想打字时，也可以说给小豆听。 - 你掌控自己的数据：记忆可管理、可归档、可删除，账号也可以删除。 适合这些时候打开小豆： - 睡前脑子停不下来，想找人说两句。 - 有点烦，但又不想正式写日记。 - 想把一个灵感先收起来，之后再慢慢整理。 - 希望 AI 不是工具面板，而是更像一个长期陪伴的朋友。 小豆会努力陪你把生活说清楚一点，但它不是医疗、心理治疗、法律或金融专业服务的替代品。遇到重要问题，请及时联系专业人士或身边可信的人。 使用条款（Apple 标准 EULA）：https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: DouOS at 5.0 against 常州地铁Metro's 2.7. 常州地铁Metro's advantage is monetization model (free vs free with in-app purchases) and ratings volume (7 vs 1). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
DouOS holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: 常州地铁Metro has 7 ratings behind it against 1, so its average is the more settled of the two.
常州地铁Metro ships an update every 2 months, DouOS every 6 weeks. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.
| Parameter | 常州地铁Metro | DouOS |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (7 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, Mac |
| Requires iOS | 11.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 160 MB | 68 MB |
| Age rating | 4+ | 17+ |
| Developer | Bwton Technology Co., Ltd. | 晓晗 宿 |
Customer experience
常州地铁Metro
DouOS
In-app purchases
常州地铁Metro
No in-app purchases
DouOS
No in-app purchases
