# Wow Height vs Height Predictor

The clearest difference is ads: Wow Height at none against Height Predictor's shown. Height Predictor's advantage is update cadence (every 4 days vs every 2 weeks) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Wow Height sells 2 in-app purchases, starting at $1.99 per month and Height Predictor sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Wow Height ships an update every 2 weeks, Height Predictor every 4 days. The most recent releases landed on June 4, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | Wow Height | Height Predictor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wow-height/id6740035196/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 10 MB | 57 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Haijian Yan](https://appshunter.io/developer/1767976220) | [BESTRONG STUDIOS](https://appshunter.io/developer/1846273407) |

## What reviewers say

### Wow Height

[App page](https://appshunter.io/ios/app/wow-height/id6740035196)

This app helps parents scientifically track and analyze their child's growth from infancy to adolescence. It allows for recording measurements, viewing growth percentiles, and predicting future height based on current data and genetics. It's designed to provide professional insights into children's health and development trends.

**Highlights:** Child growth monitoring, Height and weight tracking, Growth percentile analysis, Future height prediction, Genetic factor integration, Development milestone tracking

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $1.99 | per month |
| Yearly Membership | $6.99 | per year |


### Height Predictor

[App page](https://appshunter.io/ios/app/height-predictor-gotall/id6754962274)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Free Experience For A Week | $0.99 | per 7 days |
| Ads Free Experience For Month | $2.99 | per month |
| Ads Free Experience For a Year | $19.99 | per year |


## Frequently asked questions

### Is Wow Height free?

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

### Is Height Predictor free?

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

### Do Wow Height or Height Predictor have ads?

Height Predictor shows ads; Wow Height does not.

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

Wow Height ships an update every 2 weeks, and Height Predictor every 4 days. Most recently, Wow Height was updated on June 4, 2026 and Height Predictor on May 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.*