# FutureHeight vs GrowMaxx

The clearest difference is in-app purchases: FutureHeight at none against GrowMaxx's 5. FutureHeight also leads on rating (5.0 vs 4.7). GrowMaxx's advantage is update cadence (every 3 days vs every 3 weeks) and ratings volume (71 vs 3). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. GrowMaxx sells 5 in-app purchases, starting at $4.99 per 7 days. FutureHeight asks for nothing beyond the download.

FutureHeight holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: GrowMaxx has 71 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of FutureHeight's written reviews are positive against 94% of GrowMaxx's.

FutureHeight ships an update every 3 weeks, GrowMaxx every 3 days. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | FutureHeight | GrowMaxx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/futureheight-height-predictor/id6749194528/reviews)** | [4.7 (71 ratings)](https://appshunter.io/ios/app/growmaxx-height-predictor/id6753605862/reviews) |
| Number of ratings | 3 | **71** |
| Positive reviews | **100.0% of reviews** | 93.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 36 MB | 55 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Yuki Konda](https://appshunter.io/developer/1016233334) | [erdem sengun](https://appshunter.io/developer/1875764238) |

## What reviewers say

### FutureHeight

[App page](https://appshunter.io/ios/app/futureheight-height-predictor/id6749194528)

Estimate your child's adult height with advanced AI. Input family member measurements to receive a personalized, scientific prediction based on your unique family tree. It's a fun and educational way to explore genetic influences on height.

**Highlights:** AI-driven height prediction, Analyzes entire family tree, Personalized scientific estimates, Fast results in seconds, Private data handling, Educational insights on genetics

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

**In-app purchases:** none


### GrowMaxx

[App page](https://appshunter.io/ios/app/growmaxx-height-predictor/id6753605862)

This AI-powered application helps users discover their growth potential through personalized routines, posture improvement exercises, and smart reminders. It offers daily plans to stretch smarter and track progress, aiming to enhance physical alignment and fitness.

**Highlights:** Height prediction with AI insights, Personalized daily stretch and workout routines, Progress tracking and regular updates, Posture improvement exercises, Smart reminders for consistency

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Height Increase | $4.99 | per 7 days |
| 1 Week Height Increase | $7.49 | per 7 days |
| 1 Year Height Boost - Offer | $24.99 | per year |
| 52 Week Height Increase | $59.99 | per year |
| 52 Week Height Increase | $59.99 | per year |


## Frequently asked questions

### Is FutureHeight free?

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

### Is GrowMaxx free?

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

### Which has better reviews, FutureHeight or GrowMaxx?

FutureHeight is rated higher. FutureHeight averages 5.0 out of 5 from 3 ratings, while GrowMaxx averages 4.7 from 71 ratings.

### Do FutureHeight or GrowMaxx have ads?

Both FutureHeight and GrowMaxx show ads.

### Which is updated more often, FutureHeight or GrowMaxx?

FutureHeight ships an update every 3 weeks, and GrowMaxx every 3 days. Most recently, FutureHeight was updated on October 5, 2026 and GrowMaxx on October 12, 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.*