Comparison

FastTime vs 단식 타이머

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

Head to head
About

FastTime

Track your fasting periods and daily weight with a simple timer and calendar. Set custom fasting and eating windows, monitor progress with charts, and log weight changes easily. Personalize your experience with reminders and theme options.

Highlights
  • Simple fasting timer
  • Customizable fasting windows
  • Weight tracking calendar
  • Progress charts and statistics
  • Goal alerts and reminders
  • Light and dark mode
Features
Read full description

Keep fasting simple, and keep your records together. FastTime is a fasting timer and weight tracker for checking your fasting hours, daily weights and progress at your own pace. A timer that's easy to follow Start and end your fast with a tap. See elapsed time, time remaining and your expected finish time. Adjust start and end times or add past fasting records when needed. Daily plans and extended goals Choose a daily plan such as 12:12, 14:10, 16:8, 18:6 or 20:4, or customize your fasting and eating windows. A separate extended fasting plan supports goals from 24 to 72 hours. Fasting records at a glance Review past fasts on a calendar. Weekly charts show fasting durations without tapping, while monthly statistics summarize your time and goal achievements. A calendar for your weight See daily weights directly on the weight calendar. Add or edit past entries, follow your weight graph and compare your latest weight with the previous entry. The full record list stays available below the calendar. Make it fit your routine Use optional goal alerts and start reminders, follow your streak, and choose light or dark mode. Your fasting and weight records are saved on your device. The app includes ads.

About

단식 타이머

Features
Read full description

단순한 타이머가 아닙니다. '단식 타이머'는 지금 내 몸에서 일어나는 변화를 단계별로 보여주는 단식 코치입니다. [핵심 기능] · 16:8, 18:6, 20:4, OMAD 등 다양한 단식 프로토콜 · 실시간 진행 링 — 경과·남은 시간을 한눈에 · 단식 단계 안내: 혈당 안정 → 글리코겐 소진 → 지방 연소 → 케토시스 → 오토파지 · 단계 전환 알림 — "지방 연소가 시작됐어요" 같은 실시간 코칭 · 홈 화면·잠금 화면 위젯 + 라이브 액티비티(다이나믹 아일랜드) · 완주 축하 + 업적 배지로 동기 부여 · 식사 윈도우 카운트다운 - 다음 단식까지 남은 시간 · 기록·통계: streak, 평균 단식 시간, 이번 달 히트맵 [이런 분께] · 간헐적 단식을 막 시작했거나 꾸준히 완주하고 싶은 분 · 단식 중 몸의 변화를 이해하며 동기를 얻고 싶은 분 무료 · 모든 기능을 무료로 제공합니다. 광고로 운영됩니다. 본 앱이 제공하는 건강 정보는 일반적인 정보 제공 목적이며 의학적 조언을 대체하지 않습니다. 지병·임신·복약 중이라면 시작 전 의사와 상담하세요.

Screenshots

FastTime4 screens
단식 타이머4 screens

Verdict

The call

The clearest difference is update cadence: 단식 타이머 at every 2 days against FastTime's every 6 weeks. 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

FastTime ships an update every 6 weeks, 단식 타이머 every 2 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
FastTime versus 단식 타이머: the parameters behind the verdict, then further details
ParameterFastTime단식 타이머
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeksEvery 2 days — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size40 MB28 MB
Age rating4+4+
DeveloperSeulki Eomseungsoo lee

In-app purchases

None

FastTime

No in-app purchases

None

단식 타이머

No in-app purchases

Questions

Is FastTime free?
FastTime is free to download, with no in-app purchases.
Is 단식 타이머 free?
단식 타이머 is free to download, with no in-app purchases.
Do FastTime or 단식 타이머 have ads?
Both FastTime and 단식 타이머 show ads.
Which is updated more often, FastTime or 단식 타이머?
FastTime ships an update every 6 weeks, and 단식 타이머 every 2 days. Most recently, FastTime was updated on November 9, 2026 and 단식 타이머 on October 31, 2026.

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