# GoTall vs ChadMaxx

The clearest difference is ads: ChadMaxx at none against GoTall's shown. GoTall's advantage is update cadence (weekly vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. GoTall sells 15 in-app purchases, starting at $1.99 per 7 days and ChadMaxx sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

GoTall ships an update weekly, ChadMaxx fortnightly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | GoTall | ChadMaxx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (6.8K ratings)](https://appshunter.io/ios/app/gotall-height-predictor/id6747467975/reviews)** | — |
| Number of ratings | **6.8K** | — |
| Positive reviews | 21.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 147 MB | 63 MB |
| Requires iOS | 15.4 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Grow Labs LLC](https://appshunter.io/developer/1857104579) | [Zahid Khalilov](https://appshunter.io/developer/1896065260) |

## What reviewers say

### GoTall

[App page](https://appshunter.io/ios/app/gotall-height-predictor/id6747467975)

This app predicts your maximum potential height using scientific data and personal factors like genetics, sleep, and activity. It provides a personalized growth plan with exercises, nutrition analysis, and lifestyle tracking to support your development. Premium features offer advanced tools and customized plans.

**Highlights:** Scientific height prediction, Personalized growth plan, Daily exercises, Nutrition analysis, Lifestyle tracking, Puberty stage analysis

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $1.99 | per 7 days |
| Weekly Access | $3.99 | per 7 days |
| GoTall Access | $4.99 | per 7 days |
| GoTall Weekly Plan | $4.99 | per 7 days |
| Weekly Access | $5.99 | per 7 days |
| Yearly Access | $9.99 | per year |
| Monthly Access | $9.99 | per month |
| Yearly Access | $34.99 | per year |
| GoTall Yearly Plan | $39.99 | per year |
| Yearly Access | $49.99 | per year |
| Yearly Access | $59.99 | per year |
| GoTall Yearly Plan | $59.99 | per year |
| GoTall Yearly Pro | $59.99 | per year |
| Lifetime Access | $9.99 | one-time |
| Permanent Access | $24.99 | one-time |

**What reviewers like**

- 👍 Great app overall
- 🚀 Seeing benefits already
- 💡 Provided necessary structure for growth

**What reviewers complain about**

- 💰 Paywall/cost to access full features
- 🤔 Doesn't reveal results without payment
- 🤔 Concerns about data privacy

**Reported bugs**

- Paywall blocks access to core functionality

**Requested features**

- Free access to height prediction results
- More transparency about data usage


### ChadMaxx

[App page](https://appshunter.io/ios/app/chadmaxx-looksmaxx-tracker/id6765767794)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChadMaxx Weekly | $7.99 | per 7 days |
| ChadMaxx Yearly | $39.99 | per year |


## Frequently asked questions

### Is GoTall free?

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

### Is ChadMaxx free?

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

### Do GoTall or ChadMaxx have ads?

GoTall shows ads; ChadMaxx does not.

### Which is updated more often, GoTall or ChadMaxx?

GoTall ships an update weekly, and ChadMaxx fortnightly. Most recently, GoTall was updated on October 27, 2026 and ChadMaxx on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*