# LightFasting vs 吨吨日记

The clearest difference is price: 吨吨日记 at Free against LightFasting's $0.99. 吨吨日记 also leads on update cadence (every 4 days vs every 2 months) and review sentiment (100% vs 83%). LightFasting's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

吨吨日记 is free to download; LightFasting costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LightFasting ships an update every 2 months, 吨吨日记 every 4 days. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | LightFasting | 吨吨日记 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lightfasting/id1576166369/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Paid | **Ad-supported** |
| Size | 44 MB | 53 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [兴龙 张](https://appshunter.io/developer/1576162823) | [青岛四正木每网络科技有限公司](https://appshunter.io/developer/1662819199) |

## What reviewers say

### LightFasting

[App page](https://appshunter.io/ios/app/lightfasting/id1576166369)

This app offers a scientific approach to weight loss by guiding users through a slightly high-intensity diet. It includes tools for calorie conversion, calculating ideal weight, basal metabolic rate, and BMI, along with tracking weight changes and energy intake.

**Highlights:** High-intensity diet guidance, Calorie and Joule conversion, Standard weight calculator, Basal metabolic rate calculator, Body mass index calculator, Energy intake tracking, Weight change tracking

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases:** none


### 吨吨日记

[App page](https://appshunter.io/ios/app/id1668524763)

A visually appealing and user-friendly app for tracking daily water intake. It offers clear daily and trend views, a calendar for logging, customizable themes, and hydration reminders to help you achieve your health goals.

**Highlights:** Daily water intake tracking, Hydration trend graphs, Calendar logging, Customizable themes/skins, Water intake reminders, Health goal support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LightFasting free?

LightFasting costs $0.99, with no in-app purchases.

### Is 吨吨日记 free?

吨吨日记 is free to download, with no in-app purchases.

### Do LightFasting or 吨吨日记 have ads?

吨吨日记 shows ads; LightFasting does not.

### Which is updated more often, LightFasting or 吨吨日记?

LightFasting ships an update every 2 months, and 吨吨日记 every 4 days. Most recently, LightFasting was updated on October 25, 2026 and 吨吨日记 on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*