# Simple Weight Tracker vs TrendWeight AI

The clearest difference is in-app purchases: Simple Weight Tracker at none against TrendWeight AI's 2. Simple Weight Tracker also leads on device support (3 vs 1). TrendWeight AI's advantage is update cadence (fortnightly vs every 18 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. TrendWeight AI sells 2 in-app purchases, starting at $9.99 per month. Simple Weight Tracker asks for nothing beyond the download.

Simple Weight Tracker ships an update every 18 months, TrendWeight AI fortnightly. The most recent releases landed on October 15, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Simple Weight Tracker | TrendWeight AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Fortnightly** |
| Size | 22 MB | 69 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michal Kurczak](https://appshunter.io/developer/1708797394) | [Assaf Morami](https://appshunter.io/developer/6785865701) |

## What reviewers say

### Simple Weight Tracker

[App page](https://appshunter.io/ios/app/simple-weight-tracker/id6467555653)

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

**In-app purchases:** none


### TrendWeight AI

[App page](https://appshunter.io/ios/app/trendweight-ai-weight-tracker/id6785865699)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrendWeight AI Monthly | $9.99 | per month |
| TrendWeight AI Yearly | $29.99 | per year |


## Frequently asked questions

### Is Simple Weight Tracker free?

Simple Weight Tracker is free to download, with no in-app purchases.

### Is TrendWeight AI free?

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

### Do Simple Weight Tracker or TrendWeight AI have ads?

Neither Simple Weight Tracker nor TrendWeight AI shows ads.

### Which is updated more often, Simple Weight Tracker or TrendWeight AI?

Simple Weight Tracker ships an update every 18 months, and TrendWeight AI fortnightly. Most recently, Simple Weight Tracker was updated on October 15, 2026 and TrendWeight AI on September 28, 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.*