# LightYet vs Weight Tracker

The clearest difference is update cadence: Weight Tracker at every 3 days against LightYet's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. LightYet sells 3 in-app purchases, starting at $2.99 per month and Weight Tracker sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

LightYet ships an update weekly, Weight Tracker every 3 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | LightYet | Weight Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 80 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [依欢 孙](https://appshunter.io/developer/1895143905) | [Johannes Müller](https://appshunter.io/developer/1671310660) |

## What reviewers say

### LightYet

[App page](https://appshunter.io/ios/app/lightyet-body-fat-tracker/id6763201166)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |
| LightYet-Lifetime | $39.99 | one-time |


### Weight Tracker

[App page](https://appshunter.io/ios/app/weight-tracker-trendcurve/id6809206142)

This app helps you track your weight loss progress by smoothing out daily fluctuations. It displays your trend weight, weekly changes, and allows you to set and monitor your desired pace. Data is stored locally, and premium features offer advanced insights and predictions.

**Highlights:** Trend weight calculation, Weekly change and rate tracking, Goal setting and progress monitoring, Effortless data entry, Apple Health integration, Data export (CSV, JSON), Local data storage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trendcurve Pro Monthly | $1.99 | per month |
| Trendcurve Pro Yearly | $11.99 | per year |
| Trendcurve Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is LightYet free?

LightYet is free to download, with in-app purchases available.

### Is Weight Tracker free?

Weight Tracker is free to download, with in-app purchases available.

### Do LightYet or Weight Tracker have ads?

Neither LightYet nor Weight Tracker shows ads.

### Which is updated more often, LightYet or Weight Tracker?

LightYet ships an update weekly, and Weight Tracker every 3 days. Most recently, LightYet was updated on October 25, 2026 and Weight Tracker 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.*