# Trendscale vs LightYet

The clearest difference is update cadence: Trendscale at daily against LightYet's every 5 days. Trendscale also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Trendscale sells 4 in-app purchases, starting at $2.99 per month and LightYet sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Trendscale ships an update daily, LightYet every 5 days. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Trendscale | LightYet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trendscale-weight-tracker/id6760431300/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Monetization | Freemium | — |
| Size | 42 MB | 39 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gustavo Chaves](https://appshunter.io/developer/1884434516) | [依欢 孙](https://appshunter.io/developer/1895143905) |

## What reviewers say

### Trendscale

[App page](https://appshunter.io/ios/app/trendscale-weight-tracker/id6760431300)

This app helps you track your weight progress without calorie counting. It uses your daily weight entries to show your real trend and estimate your energy balance. Set goals, view your progress on a dashboard, and manage your history easily.

**Highlights:** Weight trend analysis, Estimated energy balance, Goal setting and projection, Daily dashboard view, Logbook history, Data import/export, On-device privacy

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trendscale Pro | $2.99 | per month |
| Trendscale Pro | $2.99 | per month |
| Trendscale Pro | $19.99 | per year |
| Trendscale Pro | $19.99 | per year |


### 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 |


## Frequently asked questions

### Is Trendscale free?

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

### Is LightYet free?

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

### Do Trendscale or LightYet have ads?

Neither Trendscale nor LightYet shows ads.

### Which is updated more often, Trendscale or LightYet?

Trendscale ships an update daily, and LightYet every 5 days. Most recently, Trendscale was updated on October 12, 2026 and LightYet on October 7, 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.*