Slow letters,
real bonds. 慢书信，
真连接。

Discover daily penpal recommendations from around the world. Write thoughtful letters at your own pace — no typing pressure and no rush. 每天发现来自世界各地的笔友推荐。按自己的节奏认真写信——没有输入压力，也无需匆忙回复。

Download on the App Store 从 App Store 下载 How it works ↓ 怎么玩 ↓

Free to get started · Privacy-minded profiles · iOS first 免费开始使用 · 注重隐私的资料展示 · 优先支持 iOS

Why BondFlow? 为什么选 BondFlow？

In a world of instant messaging, we bring back the joy of waiting for a letter. 在即时通讯的时代，我们找回等信的快乐。

✉️
Daily Recommendations每日推荐
Explore a fresh set of penpal recommendations shaped by available profiles, shared interests, and safety controls.每天探索一组新的笔友推荐，综合可用资料、共同兴趣与安全规则生成。
🪶
Letter-Style Chat信件式对话
No typing pressure and no rush. Write at your own pace, like writing a real letter. Quality over speed.没有输入压力，也无需匆忙回复。按自己的节奏写，就像写一封真正的信。质量优先于速度。
🤖
AI Topic SuggestionsAI 话题推荐
Don't know what to write? AI generates daily topics and conversation starters tailored to your penpal relationship.不知道写什么？AI 每天生成话题和对话灵感，帮你开启有趣对话。
🔒
Privacy & Safety隐私与安全
Your Apple account details are not shown to penpals. Report or block users anytime. We moderate content to help keep the community respectful.你的 Apple 账户信息不会展示给笔友。你可以随时举报或拉黑用户；我们也会审核内容，帮助维护尊重友善的社区。
✨
Discover & Share发现与分享
Browse daily picks and the Discover Square, then share moments that help the right penpals find you.浏览每日推荐和发现广场，也可以分享生活片段，让合适的笔友发现你。
🌍
Global Community全球社区
Connect with people from different cultures, languages, and perspectives. Broaden your world, one letter at a time.与不同文化、语言、视角的人连接。一封信，拓宽你的世界。

How It Works 怎么玩

1

Get Matched匹配笔友

Review daily recommendations and choose someone you would like to write to.浏览每日推荐，选择一位你想写信认识的人。

2

Write a Letter写一封信

Take your time. Write about your day, your thoughts, your world. AI can suggest topics if you're stuck.慢慢写。写你的日常、想法、你的世界。没灵感时 AI 帮你出主意。

3

Wait & Connect等待与连接

The best part? The anticipation. When your penpal replies, it feels like opening a real letter.最棒的是等待。当笔友回信时，那种感觉就像打开一封真正的信。

Simple, Fair Pricing 简单透明的定价

Available plans, local prices, billing periods, and trial eligibility are shown in the app before purchase. Cancel through your App Store subscription settings. 可用方案、本地价格、计费周期和试用资格会在购买前显示于 App 内；你可以通过 App Store 订阅设置取消。

Free免费版
  • Daily penpal recommendations每日笔友推荐
  • Letter-style conversations信件式交流
  • Reporting and blocking tools举报与拉黑工具
OPTIONAL可选订阅
BondFlow PremiumBondFlow 高级会员
  • More daily recommendations更多每日推荐
  • AI-assisted topic and reply ideasAI 话题与回复灵感
  • Additional premium benefits shown in the appApp 内展示的其他高级权益

Questions, Answered 常见问题

Do I need to create an account?必须注册账号吗？

Sign in with Apple to get started. Your Apple account details are not displayed to penpals; they see the profile information you provide in BondFlow.使用 Apple 登录即可开始。你的 Apple 账户信息不会展示给笔友；对方会看到你在 BondFlow 中提供的个人资料。

Is this a dating app?这是交友/约会 App 吗？

No. BondFlow is designed for cultural exchange and meaningful penpal connections, not dating. Use the reporting and blocking tools if an interaction makes you uncomfortable.不是。BondFlow 面向文化交流和有意义的笔友连接，并非约会服务。如互动令你不适，请使用举报和拉黑工具。

How does the AI work?AI 是怎么工作的？

AI can provide optional topic and reply ideas, and supports safety review of posts, letters, and uploaded images. Images remain unavailable to other users while review is pending, and uncertain results are sent for human review. Relevant content may be processed by our configured AI provider. Please see the Privacy Policy for details.AI 可提供可选的话题与回复灵感，也用于帖子、信件和上传图片的安全审核。图片在审核期间不会向其他用户展示，不确定的结果会进入人工复核。相关内容可能由我们配置的 AI 服务商处理，详情请查看隐私政策。

How do I cancel my subscription?如何取消订阅？

Subscriptions are managed by Apple. Go to Settings → Apple ID → Subscriptions on your iPhone to cancel. Your access remains until the end of the paid period.订阅由 Apple 管理。打开 iPhone 设置 → Apple ID → 订阅 即可取消。已付费期间内仍可继续使用。

Is my data sold to advertisers?我的数据会被卖给广告商吗？

No. We don't sell user data. We don't run third-party ads. See our Privacy Policy for details.不会。我们不出售用户数据，也不展示第三方广告。详见隐私政策。

Can I get a refund?可以退款吗？

Refunds are handled by Apple per their policy. You can request one at reportaproblem.apple.com.退款由 Apple 按其政策处理。你可以在 reportaproblem.apple.com 申请。