# Kronis Academy vs GoTall

The clearest difference is in-app purchases: Kronis Academy at none against GoTall's 17. Kronis Academy also leads on iOS requirement (13.0 vs 15.4). GoTall's advantage is device support. On price there is nothing between them.

Both are free to download. GoTall sells 15 in-app purchases, starting at $1.99 per 7 days. Kronis Academy asks for nothing beyond the download.

## The numbers

| Metric | Kronis Academy | GoTall |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 70 MB | 147 MB |
| Requires iOS | **13.0** | 15.4 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PushPress, Inc.](https://appshunter.io/developer/688595778) | [Grow Labs LLC](https://appshunter.io/developer/1857104579) |

## What reviewers say

### Kronis Academy

[App page](https://appshunter.io/ios/app/kronis-academy/id6504499037)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Kronis Academy free?

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

### Is GoTall free?

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

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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.*