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Lanson Flow - iPhone voice keyboard that types while you speak

I use voice input a lot on my phone, but I kept abandoning messages halfway. The transcript would come back technically correct, but it still felt like raw speech — wrong punctuation, awkward phrasing, a minute of cleanup before I could hit send. By then I'd usually just drop it. So I built Lanson Flow, a voice keyboard for iPhone. You talk in whatever app you're already in (Messages, Slack, Notes, etc.), and the text shows up and improves while you're still speaking. Less "fix the transc

五维评分

付费意愿
40
需求真实度
55
个人可落地
55
竞争空间
25
新鲜度
55

AI 分析

痛点:手机语音输入转写虽然准确,但标点和措辞生硬,需要花时间手动清理,导致用户干脆放弃发送消息。

目标用户:高频用语音输入发消息/写笔记的 iPhone 用户,尤其是多语言、跨语言写作的人群(如中文思考、英文输出)。

证据:The transcript would come back technically correct, but it still felt like raw speech — wrong punctuation, awkward phrasing, a minute of cleanup before I could hit send. By then I'd usually just drop it. / Speak in one language, write in another — e.g. think in Chinese, get natural English in the field.

变现:Freemium 键盘订阅制(如 $5–8/月或 $40–60 买断),免费额度限制每周转写时长;后续可加团队版、API/跨语言写作增值包。

MVP:2 周内做 iOS 键盘扩展(Keyboard Extension)+ 流式 ASR(Deepgram/Whisper API)+ LLM 后处理(自动标点、去口语词、语气调整),只支持中↔英一组跨语言翻译输入,用 TestFlight 邀请 50 名语音重度用户验证「是否愿意直接发送」。

竞品:Wispr Flow、Superwhisper、Apple 系统听写、Gboard 语音输入、AudioPen、Otter.ai、Whisper Keyboard

摘要:作者因厌倦语音转写后的「清理成本」而在 r/SideProject 发布 iPhone 语音键盘 Lanson Flow,边说边出文本并实时润色,支持 100+ 语言自动识别与「说中文写英文」。帖子是产品发布性质,描述了真实痛点但没有收入数据或他人付费附和的证据;该赛道已有 Wispr Flow、Superwhisper 等成熟竞品,独立开发者切入需靠跨语言写作等差异化功能。