# Taller vs GrowMaxx

Taller and GrowMaxx both sit at 4.7 stars, but that hides the real split: 94% of GrowMaxx's written reviews are positive against 0% of Taller's. GrowMaxx also leads on update cadence (every 3 days vs weekly). Taller's advantage is ads (none vs shown). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Taller sells 5 in-app purchases, starting at $4.99 per 7 days and GrowMaxx sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Taller against 4.7 for GrowMaxx. Both are backed by a comparable volume of ratings — 122 and 71 respectively. Written reviews are what separate them: 0% of Taller's written reviews are positive against 94% of GrowMaxx's.

Taller ships an update weekly, GrowMaxx every 3 days. The most recent releases landed on September 16, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Taller | GrowMaxx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (122 ratings)](https://appshunter.io/ios/app/taller-maximize-height/id6749166874/reviews) | [4.7 (71 ratings)](https://appshunter.io/ios/app/growmaxx-height-predictor/id6753605862/reviews) |
| Number of ratings | **122** | 71 |
| Positive reviews | 0.0% of reviews | **93.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 44 MB | 55 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Wulong Apps LLC](https://appshunter.io/developer/1622577502) | [erdem sengun](https://appshunter.io/developer/1875764238) |

## What reviewers say

### Taller

[App page](https://appshunter.io/ios/app/taller-maximize-height/id6749166874)

This app uses science-based predictions and personalized routines to help users optimize their height potential. It analyzes lifestyle and genetics to provide customized plans and tracks daily progress. Designed for teens and adults seeking to maximize their growth.

**Highlights:** Personalized growth optimization plans, Science-based height predictions, Daily progress tracking, HGH production guidance, Dynamic monthly updates, Streak system for routines

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Premium Plan | $5.99 | per 7 days |
| Premium Plan | $19.99 | per year |
| Premium Plan | $39.99 | per year |
| Premium Plan | $29.99 | one-time |


### 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 Taller free?

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

### Is GrowMaxx free?

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

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

Taller and GrowMaxx are both rated 4.7 out of 5 on the App Store, from 122 and 71 ratings respectively.

### Do Taller or GrowMaxx have ads?

GrowMaxx shows ads; Taller does not.

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

Taller ships an update weekly, and GrowMaxx every 3 days. Most recently, Taller was updated on September 16, 2026 and GrowMaxx on September 22, 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.*