Comparison

Time to fast! vs ZEROBODY

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

Head to head

Time to fast!

Timer for intermittent fasting

제로바디 헤븐스테퍼 전용 운동 앱

About

Time to fast!

Easily monitor your intermittent fasting schedule with a visual 24-hour timeline. Adjust plans, track progress, and receive timely notifications for fasting and eating periods. Save your results and review past fasting records to stay on track with your health goals.

Highlights

Circular 24-hour timeline
Adjustable fasting plans
Save and edit fasting results
Past fasting records review
Fasting start/end notifications
Pre-set fasting plans

Features

Read full description

Easily track your intermittent fasting schedule with a circular 24-hour timeline that clearly shows your fasting and eating periods. Your current status and remaining time are always at your fingertips. You have the flexibility to adjust your fasting plans at any time and save your results once your fasting window is complete. Plus, you can conveniently access your past fasting records! - Simply press the start/stop button to initiate the timer according to your chosen plan. - Modify your fasting plan on the go, even while the timer is running. - Choose from five pre-set fasting plans and set your meal times with ease. - Edit the start time for the current session during your fasting period. - Save and edit your most recent fasting results during your eating window. - If fasting feels too challenging today, use the 'Break the Fast' button to end it early and save your progress. - To begin fasting a bit earlier today during your mealtime, select the 'Start Fast Early' button to adjust your fasting start time for this session. - Review your fasting records for the past week in a graph and track your progress in the calendar alongside your goal achievements. - Enable notifications to receive fasting start/end alerts.

About

ZEROBODY

This app connects to your HeavenStepper via Bluetooth to track your workouts in real-time. Set fitness goals, monitor your progress, and manage multiple user profiles for a smarter fitness routine. It also allows you to log and track your weight changes.

Highlights

Real-time workout data tracking
Goal setting and progress monitoring
Workout history and record management
Multi-user profile support
Weight logging and tracking

Features

Read full description

제로바디 앱은 제로바디 헤븐스테퍼와 블루투스로 연동하여 체계적인 운동 데이터를 제공합니다. 목표 설정, 운동 기록, 다중 사용자 관리 등 다양한 기능으로 일상의 운동을 보다 스마트하게 지원합니다. 주요 기능은 아래와 같습니다. 1. 실시간 운동 데이터 추적: 계기판(스마트 미터기)과 블루투스 연결을 통한 운동 시간, 소모 칼로리, 계단 수, 평균 속도 등의 실시간 데이터 제공 2. 목표 설정: 운동 목표(시간, 칼로리, 계단 수) 설정 및 달성 상태 모니터링 3. 운동 기록 관리: 과거 운동 기록 저장, 최고 기록 비교 및 히스토리 확인 4. 다중 사용자 지원: 가족 구성원 등 여러 사용자 프로필 관리 5. 건강 관리: 체중 기록 및 변화 추적 기능

Screenshots

Time to fast!4 screens

ZEROBODY4 screens

Verdict

The call

The clearest difference is review sentiment: Time to fast! at 71% against ZEROBODY's 33%. Time to fast! also leads on update cadence (every 3 days vs every 3 months). On price, ads, in-app purchases and monetization model 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

Time to fast! ships an update every 3 days, ZEROBODY every 3 months. The most recent releases landed on June 1, 2026 and September 13, 2026 respectively.

Scorecard2 real differences · 6 level

Time to fast! versus ZEROBODY: the parameters behind the verdict, then further details
Parameter	Time to fast!	ZEROBODY
Price	Free	Free
Positive reviews	71.4% of reviews — better	33.3% of reviews
Update frequency	Every 3 days — better	Every 3 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	Free
Devices	iPhone	iPhone, iPod — better
Requires iOS	16.0	15.1 — better
Further details — not scored
Size	13 MB	66 MB
Age rating	4+	4+
Developer	Eunbee Kang	주식회사 엘디유오

Customer experience

Time to fast!

Written reviews7 reviews

Positive71.4%

Neutral28.6%

Negative0.0%

ZEROBODY

Written reviews9 reviews

Positive33.3%

Neutral33.3%

Negative33.3%

In-app purchases

None

Time to fast!

No in-app purchases

None

ZEROBODY

No in-app purchases

Questions

Is Time to fast! free?

Time to fast! is free to download, with no in-app purchases.

Is ZEROBODY free?

ZEROBODY is free to download, with no in-app purchases.

Do Time to fast! or ZEROBODY have ads?

Neither Time to fast! nor ZEROBODY shows ads.

Which is updated more often, Time to fast! or ZEROBODY?

Time to fast! ships an update every 3 days, and ZEROBODY every 3 months. Most recently, Time to fast! was updated on June 1, 2026 and ZEROBODY on September 13, 2026.