# Wow Height vs SightFrame

The clearest difference is in-app purchases: SightFrame at none against Wow Height's 2. SightFrame also leads on update cadence (every 5 days vs every 2 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Wow Height sells 2 in-app purchases, starting at $1.99 per month. SightFrame asks for nothing beyond the download.

Wow Height ships an update every 2 weeks, SightFrame every 5 days. The most recent releases landed on June 4, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Wow Height | SightFrame |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 10 MB | 32 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Haijian Yan](https://appshunter.io/developer/1767976220) | [书同 田](https://appshunter.io/developer/6779253249) |

## 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 |


### SightFrame

[App page](https://appshunter.io/ios/app/sightframe-vision-simulator/id6794273566)

**Features:** Family Sharing

**In-app purchases:** none


## Frequently asked questions

### Is Wow Height free?

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

### Is SightFrame free?

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

### Do Wow Height or SightFrame have ads?

Neither Wow Height nor SightFrame shows ads.

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

Wow Height ships an update every 2 weeks, and SightFrame every 5 days. Most recently, Wow Height was updated on June 4, 2026 and SightFrame on September 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.*