Comparison

Plainfast vs 轻獭

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

Head to head
About

Plainfast

Features
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Plainfast is the honest fasting timer. Start a 16:8, 18:6, 20:4 or OMAD fast in one tap and watch a calm dial count the hours. No sign-up quiz, no account, no ads. Open the app and the timer is the first thing you see. You do not answer fifty questions about your body first, and you do not lose your past fasts after a week. Every fast you log stays in your history, free, for as long as you use Plainfast. WHAT IT COVERS • Intermittent fasting with 16:8, 18:6, 20:4 and OMAD presets, plus 24, 36 and 48 hour plans, or a custom target that suits your day • Longer fasts: the clock keeps running past your goal, so 24, 36 and 72 hour fasts are timed hour by hour • Water fasts and extended fasts logged the same way as your daily window • A 10-phase timeline of what typically happens as a fast goes on: glycogen use, the shift toward fat burning, ketosis. Each stage shows how sure the science is and the study behind it, and autophagy is marked plainly as not yet known in people KEY FEATURES • A plain dial that shows time elapsed, time left and your current phase at a glance • Live Activity and Dynamic Island, so your fast keeps time on the lock screen • Home screen widgets • Reminders for the start and end of each fast • Full history, streaks and stats, all free • A note on every fast, written when you end it or later from History • Weight log, plus mood and glucose logs after each fast • Weight sync with Apple Health (Premium) • Apple Watch app and watch face complications: start and end a fast from your wrist, even with your iPhone out of reach (Premium) • Export your fasting history as a CSV file • Dark mode that is designed, not just inverted WHO IT IS FOR • Beginners trying 16:8 who want a timer, not a program • OMAD and 20:4 regulars who log every day • Anyone who does an occasional 36 or 72 hour fast • Women and men who would rather track quietly than take a quiz first PRICING Free: the timer, all presets, the phase timeline, full history, streaks, stats, logs, widgets and reminders. Premium (monthly, yearly or a one-time lifetime unlock) adds unlimited custom presets, adding past fasts, mood and glucose correlation charts, weight sync with Apple Health, starting and ending fasts from Apple Watch, and watch face complications. Plainfast is a timer and a log, not medical advice. If you are pregnant, diabetic, take medication or plan a fast longer than 24 hours, talk to your doctor first. Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Privacy Policy: https://trifoiltrailblazer.com/privacy-policy Terms of Use: https://trifoiltrailblazer.com/terms-of-service

About

轻獭

Features
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轻獭是一款简单、中文、无广告的 16+8 轻断食打卡 App。只需设置一次第一餐时间,它会自动安排 8 小时进食窗口和 16 小时断食窗口,配合桌面小组件,不打开 APP 就能实时看到现在正处于进食期还是断食期。 【自动断食计时】无需手动开始或结束断食。圆环实时显示进食时段、断食四个阶段和倒计时,点击圆环还能了解每个阶段的身体变化趋势。 【打卡留痕】断食结束后点一下完成打卡,日历热力图记录你坚持过的每一天。每月 3 张补签券,偶尔失误也不会让连续记录清零。 【到点提醒】进食开始、进食结束、打卡催促、喝水提醒,全部按你的作息自动安排,22 点后不打扰睡觉。 【桌面小组件】不用打开 App,抬眼就知道现在能不能吃、还剩多久。 【欺骗日】每周可设一天欺骗日,放松一天也不中断连续记录。 【一次买断】前 30 天免费试用全部功能,之后 19.9 元一次性买断。无订阅、无广告、无需注册账号。 轻断食(间歇性断食)最看重的是节奏和坚持。轻獭帮你把注意力放在「按自己的节奏继续」,而不是焦虑和自责。 隐私说明:轻獭不需要注册账号,你的数据只保存在手机本地。

Screenshots

Plainfast4 screens
轻獭4 screens

Verdict

The call

The clearest difference is update cadence: Plainfast at weekly against 轻獭's every 2 months. On price, ads, 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. Plainfast sells 3 in-app purchases, starting at $6.99 per month and 轻獭 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Plainfast ships an update weekly, 轻獭 every 2 months. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

Scorecard1 real difference · 5 level
Plainfast versus 轻獭: the parameters behind the verdict, then further details
ParameterPlainfast轻獭
PriceFreeFree
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS17.6 — better18.0
Further details — not scored
Size53 MB49 MB
Age rating4+4+
DeveloperIvan Terekhin侃 潘

In-app purchases

3 purchases

Plainfast

Subscriptions2
  • Premium Monthly$6.991 Month
  • Premium Yearly3 Days trial$19.991 Year
One-time1
  • Premium Lifetime$14.99
1 purchases

轻獭

One-time1
  • Qingta Full Access$2.99

Questions

Is Plainfast free?
Plainfast is free to download, with in-app purchases available.
Is 轻獭 free?
轻獭 is free to download, with in-app purchases available.
Do Plainfast or 轻獭 have ads?
Neither Plainfast nor 轻獭 shows ads.
Which is updated more often, Plainfast or 轻獭?
Plainfast ships an update weekly, and 轻獭 every 2 months. Most recently, Plainfast was updated on November 8, 2026 and 轻獭 on November 10, 2026.

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