# GrowMaxx vs HeightUp

The clearest difference is update cadence: GrowMaxx at every 3 days against HeightUp's fortnightly. GrowMaxx also leads on iOS requirement (16.0 vs 26.1). On price, ads, in-app purchases 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 and HeightUp sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

GrowMaxx ships an update every 3 days, HeightUp fortnightly. The most recent releases landed on October 20, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | GrowMaxx | HeightUp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (71 ratings)](https://appshunter.io/ios/app/growmaxx-height-predictor/id6753605862/reviews)** | — |
| Number of ratings | **71** | — |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 55 MB | 22 MB |
| Requires iOS | **16.0** | 26.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [erdem sengun](https://appshunter.io/developer/1875764238) | [VEIMAR CHOQUE](https://appshunter.io/developer/1862509944) |

## What reviewers say

### 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 |


### HeightUp

[App page](https://appshunter.io/ios/app/heightup-grow-taller-program/id6762226884)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly — Save 16% | $9.99 | per year |


## Frequently asked questions

### Is GrowMaxx free?

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

### Is HeightUp free?

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

### Do GrowMaxx or HeightUp have ads?

Both GrowMaxx and HeightUp show ads.

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

GrowMaxx ships an update every 3 days, and HeightUp fortnightly. Most recently, GrowMaxx was updated on October 20, 2026 and HeightUp on September 29, 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.*