# LightFasting vs 体重日记

The clearest difference is update cadence: 体重日记 at fortnightly against LightFasting's every 2 months. LightFasting's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

LightFasting costs $0.99 and 体重日记 $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LightFasting ships an update every 2 months, 体重日记 fortnightly. The most recent releases landed on November 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LightFasting | 体重日记 |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lightfasting/id1576166369/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 44 MB | 12 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [兴龙 张](https://appshunter.io/developer/1576162823) | [创宏 陈](https://appshunter.io/developer/1884920634) |

## 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


### 体重日记

[App page](https://appshunter.io/ios/app/id6762725091)

**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 体重日记 free?

体重日记 costs $0.99, with no in-app purchases.

### Do LightFasting or 体重日记 have ads?

Neither LightFasting nor 体重日记 shows ads.

### Which is updated more often, LightFasting or 体重日记?

LightFasting ships an update every 2 months, and 体重日记 fortnightly. Most recently, LightFasting was updated on November 7, 2026 and 体重日记 on October 25, 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.*