# GrowthTrackerApp vs Height Predictor

The clearest difference is in-app purchases: GrowthTrackerApp at none against Height Predictor's 2. GrowthTrackerApp also leads on update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Height Predictor sells 2 in-app purchases, starting at $2.99 per 7 days. GrowthTrackerApp asks for nothing beyond the download.

GrowthTrackerApp ships an update every 4 days, Height Predictor every 2 weeks. The most recent releases landed on September 11, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | GrowthTrackerApp | Height Predictor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 30 MB | 38 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Knapp](https://appshunter.io/developer/1852151288) | [Han Kim](https://appshunter.io/developer/1505146544) |

## What reviewers say

### GrowthTrackerApp

[App page](https://appshunter.io/ios/app/growthtrackerapp/id6755132615)

**Features:** macOS Compatibility

**In-app purchases:** none


### Height Predictor

[App page](https://appshunter.io/ios/app/height-predictor-growth-chart/id6801840705)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is GrowthTrackerApp free?

GrowthTrackerApp is free to download, with no in-app purchases.

### Is Height Predictor free?

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

### Do GrowthTrackerApp or Height Predictor have ads?

Neither GrowthTrackerApp nor Height Predictor shows ads.

### Which is updated more often, GrowthTrackerApp or Height Predictor?

GrowthTrackerApp ships an update every 4 days, and Height Predictor every 2 weeks. Most recently, GrowthTrackerApp was updated on September 11, 2026 and Height Predictor on September 15, 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.*