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I built SubFlow, a 100% offline Android subscription & free-trial tracker with multi-currency conversion (no account required)

Hey everyone! Like many of you, I kept losing track of recurring bills and getting hit by surprise charges from "free trials" I forgot to cancel. When I looked for a subscription manager on Android, most apps either forced me to create a cloud account, linked to my bank, or locked basic multi-currency support behind hefty subscriptions. So I built SubFlow — a fast, privacy-first subscription and renewal tracker where 100% of your data stays locally on your device. What it does:

五维评分

付费意愿
55
需求真实度
50
个人可落地
90
竞争空间
35
新鲜度
55

AI 分析

痛点:Android 用户经常忘记免费试用和订阅续费,导致意外扣费;同时现有订阅管理 App 强制云账号、绑定银行或把多币种等基础功能放在高价订阅后。

目标用户:有多项订阅、免费试用和跨币种账单,且重视隐私、不想绑定银行或注册云账号的 Android 用户。

证据:I kept losing track of recurring bills and getting hit by surprise charges from "free trials" I forgot to cancel. ... most apps either forced me to create a cloud account, linked to my bank, or locked basic multi-currency support behind hefty subscriptions.

变现:Freemium:免费版限制 5 个订阅;Pro 提供无限订阅、6 个月趋势图、多币种自动换算等,采用月付/年付加一次性 Lifetime 买断。

MVP:做一个纯本地 Android 订阅追踪器:手动录入订阅与试用到期日,提供 1/3/7 天续费提醒、免费试用倒计时、40+ 币种离线换算、桌面小组件和本地 JSON/CSV 导入导出;先不做银行同步和云账号。

竞品:Bobby - Track your subscriptions、TrackMySubs、Rocket Money、Subby、Subscription Tracker

摘要:作者因忘记取消免费试用而被扣费,又不满现有 Android 订阅管理 App 强制云账号、绑定银行或高价锁多币种,于是开发了 100% 离线的 SubFlow。产品含免费试用倒计时、续费提醒、40+ 币种离线换算和小组件,免费版限 5 个订阅,并提供月付/年付及 Lifetime Pro。帖子是发布帖,未给出真实收入或用户付费反馈,需求常见但竞争激烈。