# Diet Lights - Weight Tracker — Simple Daily Weight Tracking

> Simple weight tracker with traffic light progress, fasting timer, and diary. (iPhone/iPad app by House201.)

- Source: https://appshunter.io/ios/app/diet-lights-weight-tracker/id6748281990 (this page in markdown: same URL + `.md`)
- Developer: [House201](https://appshunter.io/developer/1767211373)
- Category: Health & Fitness, Utilities
- Price: Free with in-app purchases
- Rating: 4.50/5 from 2 App Store ratings · 10 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.1 · 94 MB
- Languages: Korean, American English, Japanese
- Released: 2025-07-24
- Data updated: 2026-08-24
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/diet-lights-weight-tracker/id6748281990/reviews.md

## What is Diet Lights?

Diet Lights is a simple weight tracking app that helps you record your morning and evening weight and see your diet progress at a glance with traffic light colors.

What’s New

- Dark Theme
The entire app now supports dark mode.
Choose System, Light, or Dark in Settings for a more comfortable experience.

- Premium Water Widget
Log your daily water intake right from Home and see your progress toward your daily goal at a glance.
Water tracking is also available in Calendar, making it easier to build healthy habits.


- Intermittent Fasting Timer
Choose 12h, 16:8, 18:6, 20h, or a custom fasting schedule. Start fasting from the home widget, check progress with a circular timer, and keep your fasting history.

- Diary
Log your daily mood, meals, condition, and weight-related factors with emoji tags such as dining out, late-night snacks, period, or constipation.

- Precise Weight Entry
Record your weight with up to 2 decimal places for more accurate weight management and body weight tracking.

- Better Goal Tracking
Set a target weight, check your progress in 10 stages, and restart your goal from today whenever you want a fresh start.

- Morning/Evening Cutoff Time
Customize when the app separates morning weight and evening weight based on your lifestyle.

Why Diet Lights?

For healthy dieting and yo-yo weight prevention, it is helpful to consistently check the difference between your evening weight and the next morning’s weight.

Instead of complicated calorie counting, Diet Lights shows your daily progress with simple traffic light colors.

Main Features

- Traffic Light System
Green light: Evening-to-morning weight difference of 1 kg or more
Yellow light: Small weight change
Red light: Weight increase

- Weight Trend Graph
View your weight graph by 1 week, 1 month, 3 months, 6 months, or 1 year. Compare morning and evening weight changes and see your target weight line.

- Calendar View
Check daily traffic lights, morning weight, evening weight, weight changes, BMI, and more on the calendar. Review your monthly diet pattern at a glance.

- BMI and Body Mass Index
Set your height to check BMI. Choose between WHO standard and Asian standard for a more realistic reference.

- Target Weight
Set a realistic target weight and track remaining weight, progress rate, and your next stage visually.

- Reminders
Get notifications for morning and evening weight measurement times. You can also set fasting end reminders.

- Backup and Restore
Premium users can safely store data with iCloud backup and restore weight records, diary entries, and fasting history when changing devices.

- Passcode Lock
Protect your personal diet records with a 4-digit passcode lock.

How to Measure Your Weight

- Morning: After waking up and using the bathroom
- Evening: After dinner and before going to bed
- Measure at similar times every day
- Track not only weight, but also morning/evening differences, meals, fasting time, and condition

Premium Features

Upgrade to Diet Lights Pro to get:

- No ads
- Unlimited access to all features
- iCloud backup and restore
- More convenient personal record management

Recommended For

- Anyone looking for a simple diet app
- Anyone who wants weight management without calorie counting
- Anyone who wants consistent weight tracking
- Anyone who wants to prevent yo-yo dieting
- Anyone using intermittent fasting or a fasting timer
- Anyone who wants to manage BMI and target weight
- Anyone building healthy habits with calendar, reminders, and diary features
- Anyone who needs visual feedback for diet motivation

Dieting starts with small daily records.
Start building a healthy diet habit with Diet Lights today.

To protect your privacy, all data is safely stored on your device.
Premium users can choose iCloud backup.

If you have any questions, please feel free to contact us.

Terms of Service : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Traffic light weight progress system
- Intermittent fasting timer
- Daily mood and meal logging
- Weight trend graphs
- BMI calculation
- Customizable reminders
- Passcode lock

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 프리미엄 | $1.99 | per 7 days |
| Premium Monthly | $2.99 | per month |
| Premium | $12.99 | per year |


## Recent user reviews (10 of 10)

All indexed reviews: https://appshunter.io/ios/app/diet-lights-weight-tracker/id6748281990/reviews.md

### 5/5 — 들어갈때마다 광고가 심해요

*2026-04-25*

100번들어가면 100번 광고가 뜨는데 짧은것도 아니고 긴 광고라 시간 많이 잡아먹어요

### 5/5 — 다 좋은데 자꾸 오류가 있네요

*2026-02-22*

최근들어 인트로 페이지에서 넘어가지를 않아요.. 계속 아이콘만 보이는 페이지네요ㅜ

**Developer response:** 불편을 드려서 죄송합니다. 1.16버전에 해당 버그를 수정했습니다.
업데이트 이후에도 같은 증상이 반복되신다면 c@house201.com으로 메일 부탁드릴께요.

### 5/5 — 홈 화면 오류

*2026-02-20*

깔끔해보여서 구독도 했는데 홈 화면이 계속 백지 상태입니다 ㅠㅜ 오류 개선 부탁드려요

**Developer response:** c@house201.com으로 오류내용 보내주시면 바로 수정하겠습니다 ㅜ 불편 드려서 죄송합니다.

### 5/5 — 다 좋은데…ㅠㅠ

*2026-02-10*

어플도 깔끔하고 보기좋고 다 좋아서 잘 쓰고있었는데 최근사향으로 업그레이드 도 되어있거든요? 근데 초기화면에서 넘어가질 못하네요 ㅠㅠ 아예 안열려요!! 기록해야되는데 ㅠㅠㅠㅠ 
방법을 알려주세요 ㅠㅠ

**Developer response:** ㅜㅜ 안녕하세요. 불편드려서 죄송합니다. 정확한 확인을 위해 c@house201.com 으로 화면을 녹화해서 보내주시면 바로 조치해드리겠습니다

### 2/5 — 앱이안들어가져요

*2026-02-05*

몇일 잘 쓰다가 계속 앱이 안들어가지고 체중계만 떠요 버그 뭔가요

**Developer response:** 1.13에 버그가 있었습니다. ㅜ 정말 죄송합니다.
1.15 업데이트가 릴리즈 되었습니다.
업데이트 하시면 이전과 동일하게 사용하실 수 있습니다.

### 5/5 — 가독성•실용성 최고!

*2026-02-04*

너무너무 잘 쓰고 있습니다! 그런데 가장 최근에 업데이트(1.13)하고 나니까 암호 입력한 후 몸무게 적는 화면으로 안넘어가져요ㅠㅠㅠㅠ

**Developer response:** ㅜㅜ 1.15로 업데이트해주세요. 1.13에 말씀하신 버그가 있었습니다.
죄송한 마음에 유료기능이었던 데이터 백업 기능을 무료로 전환했습니다.
앞으로도 많은 이용 부탁드립니다.

### 5/5 — 업데이트 이후 비번 누르면 앱이미지만 나오고 안들어가짐

*2026-02-03*

오늘 업데이트하래서 업데이트하고 비번 누르니까 앱 이미지만 나오고 안들어가지는데 어떻게 해야되나요?

**Developer response:** 죄송합니다.ㅠㅠ 1.15로 업데이트 하시면 버그가 해결 됩니다.
죄송한 마음에 유료 기능이었던 데이터 백업 기능을 무료로 전환했습니다.
1.15버전에서 데이터 유실 걱정없이 이용해주세요.
감사합니다.

### 5/5 — 다 좋은데 오류 수정 부탁드려요

*2026-02-03*

깔끔하니 좋아서 구독 했습니다.
근데 들어갈때마다 홈 화면이 백지화면으로 자주 떠요 
몸무게 입력을 못해서••
그럴때마다 나갔다 들어오고 
깔고 지우고 몇번을 반복합니다.. 오류 수정 빨리 부탁드려요

**Developer response:** 1.13버전에 버그가 있었습니다. 구독까지 해주셨는데 불편을 드려서 죄송합니다. 1.15로 업데이트 하시면 버그가 해결 됩니다. 혹시라도 문제가 생긴다면 이메일로 연락주시면 바로 해결해 드리겠습니다. c@house201.com

### 5/5 — 심플하고 신박해요

*2025-12-29*

아침과 밤의 몸무게를 한눈에 비교할 수 있어서 다이어트 자극이 더 돼요 목표 몸무게도 설정해서 노출되면 더 자극될 것 같아요 bmi도 함께 표시되면 좋을 것 같아요 심플하고 직관적이어서 계속 쓰겠습니다!

**Developer response:** 다음 업데이트에 bmi를 추가할께요. 계속 사용해주세요!

### 5/5 — 너무 좋은데 멤버십 가입은 어찌하나요

*2025-09-08*

너무 잘 사용중이였고 이번에 멤버십 나와서 가입하려고하는데 구매복원 버튼만있고 구매하기가 없네요ㅠㅠ 방법 알려주세여ㅠㅠ

**Developer response:** ㅠㅠ 최신버전으로 업데이트 하고 시도해 보시겠어요? 멤버십 상품을 추가 안하고 릴리즈를 했었습니다. 불편 드려서 죄송해요 ㅠㅠ

## Frequently asked questions about Diet Lights

### Does Diet Lights have ads?

Yes, Diet Lights contains advertisements. The app is free to download and use, with optional premium features available for purchase.

### What are the premium subscription options for Diet Lights?

Diet Lights offers several premium subscription plans, including a 7-day trial for $1.99, a monthly plan for $2.99, and an annual plan for $12.99. These plans unlock additional features and remove ads.

### How does Diet Lights help with weight management?

Diet Lights simplifies weight tracking by using a traffic light system to show daily progress based on morning-to-evening weight changes. It also allows for precise weight entry up to two decimal places and goal tracking.

### Can Diet Lights track intermittent fasting?

Yes, Diet Lights includes an intermittent fasting timer with options for 12h, 16:8, 18:6, 20h, or custom schedules. You can start fasting from the home widget and monitor your progress.

### What kind of data can I log in the Diet Lights diary?

The Diet Lights diary allows you to log your daily mood, meals, condition, and weight-related factors using emoji tags such as dining out, late-night snacks, period, or constipation.

### Is Diet Lights available on all devices?

Diet Lights is designed for iPhone, iPad, and iPod. The app has an age rating of 4+ and supports dark mode for a more comfortable user experience.

### How often is Diet Lights updated?

The latest version of Diet Lights is 1.26, and it was last updated on May 29, 2026. Updates typically include new features and improvements based on user feedback.

### Can I back up my data in Diet Lights?

Yes, premium users can utilize iCloud backup to safely store their weight records, diary entries, and fasting history. This allows for easy restoration when changing devices.

## Version history (last 5 releases)

### 1.31 — 2026-08-23

Groups just got more convenient!
• Your profile now appears first in the member list and is marked with (Me).
• You can now change your group nickname—tap your profile to get started.

### 1.30 — 2026-08-10

What’s New

• Diet together with friends using our new Groups feature.
• Collect new badges and celebrate every mindful step forward.

Thanks for using DietLights!

### 1.28 — 2026-07-12

Added a new feature to track and record your body measurements.

### 1.27 — 2026-06-21

We’ve updated and refined several features based on your feedback.

### 1.26 — 2026-05-29

Diet Lights is now even easier to use.

Start fasting without setting a target time.
Begin a fast freely and log it when you tap End.

Add past fasts later.
Use the fasting widget on previous dates to record fasts you missed.

Swipe left or right on Home to move between dates quickly.
Review today and past records faster than before.

Add or delete water records on past dates.
Manage your daily water intake more accurately.

The custom fasting-hours keypad now includes a Done button.

## Apps similar to Diet Lights

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All apps by House201: https://appshunter.io/developer/1767211373

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*