Comparison

瘦着呢 vs FastFlow

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

瘦着呢

Features
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减脂这件事,一个人太难,但有人陪就不一样了。 瘦着呢,是专为认真减脂的你打造的 AI 健康管理 App。这里有最懂你的 AI 助手,也有和你一起坚持的减脂队友。 【组队减脂,一起瘦】 邀请好友、闺蜜、男友组成减脂小队。互看体重记录、互相"催"打卡、关键时刻还能发一条"催办"戳一戳对方。减脂路上不再孤单,有人陪才能走得更远。 【AI 瘦瘦助手,24 小时在线】 随时问、随时聊。营养搭配、断食节奏、今天吃多了怎么办……AI 根据你的真实数据给出专属建议,像私人营养师一样贴心。 【拍照识别,记录无压力】 拍一张食物照片,AI 秒速识别热量和营养成分,自动记录进餐数据。再也不用查表、算克重,吃饭记录轻松搞定。 【科学轻断食计划】 16:8、18:6、5:2……选择适合你的断食模式,App 自动追踪进度,灵动岛实时显示断食状态,关键阶段推送鼓励提醒,帮你坚持每一天。 【体重趋势,进步看得见】 每日记录体重,最近 7 天 / 30 天变化曲线清晰呈现,让你直观感受自己的努力和进步,持续保持动力。 【喝水提醒,养成好习惯】 桌面小组件随手记录喝水量,帮你轻松达成每日饮水目标,好状态从补水开始。 【健康仪表盘,一眼看全】 进入 App 第一眼,今日卡路里、断食状态、体重变化、水分摄入全部一屏呈现,清清楚楚知道自己今天的状态。 --- 减脂是一场持久战,但不是一场孤独的战。 下载瘦着呢,带上你最想一起变美的那个人,我们一起瘦。

About

FastFlow

Features
Read full description

FastFlow is a lightweight fasting tracker and fasting timer for intermittent fasting plans like 16:8, 18:6, 20:4, and OMAD. It helps you start more easily, stay consistent, and better understand your own rhythm over time. With FastFlow, you can: - choose a common fasting plan or create your own custom schedule - start a fast in one tap and clearly track your duration and goal progress - receive start reminders, phase reminders, and goal reminders - keep a complete fasting history with add, edit, and delete support - review stats and weekly reports, including completions, streaks, and time trends - log weight alongside your fasting rhythm for longer-term reflection - generate share cards for completed fasts and weekly reports FastFlow is not a calorie-counting platform or a heavy social app. It is a calmer, lighter, and more reliable companion for building a fasting rhythm you can actually keep. Important: intermittent fasting is not suitable for everyone. If you are pregnant, breastfeeding, or have a medical condition or blood sugar concern, please consult a qualified healthcare professional first. Privacy Policy: https://fasting-nu.vercel.app/privacy Terms of Use: https://www.apple.com/legal/macapps/stdeula/

Screenshots

瘦着呢4 screens
FastFlow4 screens

Verdict

The call

The clearest difference is ads: 瘦着呢 at none against FastFlow's shown. On price, update cadence, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 瘦着呢 sells 3 in-app purchases, starting at $1.99 per month and FastFlow sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

瘦着呢 ships an update every 8 days, FastFlow every 5 days. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

Scorecard1 real difference · 5 level
瘦着呢 versus FastFlow: the parameters behind the verdict, then further details
Parameter瘦着呢FastFlow
PriceFreeFree
Update frequencyEvery 8 daysEvery 5 days — better
AdsNo — betterYes
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS16.6 — better17.0
Further details — not scored
Size7 MB11 MB
Age rating12+4+
Developer雨 李浩铭 顾

In-app purchases

3 purchases

瘦着呢

Subscriptions2
  • 瘦着呢全能版 · 月度$1.991 Month
  • 瘦着呢全能版 · 年度$12.991 Year
One-time1
  • 瘦着呢全能版 · 月度$7.99
2 purchases

FastFlow

Subscriptions2
  • FastFlow Pro Monthly$0.991 Month
  • FastFlow Pro Yearly$9.991 Year

Questions

Is 瘦着呢 free?
瘦着呢 is free to download, with in-app purchases available.
Is FastFlow free?
FastFlow is free to download, with in-app purchases available.
Do 瘦着呢 or FastFlow have ads?
FastFlow shows ads; 瘦着呢 does not.
Which is updated more often, 瘦着呢 or FastFlow?
瘦着呢 ships an update every 8 days, and FastFlow every 5 days. Most recently, 瘦着呢 was updated on October 7, 2026 and FastFlow on October 3, 2026.

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