# FITNIZZ vs GoTall

The clearest difference is in-app purchases: FITNIZZ at none against GoTall's 17. FITNIZZ also leads on ads (none vs shown). GoTall's advantage is update cadence (weekly vs every 14 months). On price, 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. FITNIZZ asks for nothing beyond the download.

FITNIZZ ships an update every 14 months, GoTall weekly. The most recent releases landed on October 10, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | FITNIZZ | 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 | **No** | Yes |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 57 MB | 147 MB |
| Requires iOS | **15.0** | 15.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Uplyft Innovations Private Limited](https://appshunter.io/developer/1485155244) | [Grow Labs LLC](https://appshunter.io/developer/1857104579) |

## What reviewers say

### FITNIZZ

[App page](https://appshunter.io/ios/app/fitnizz/id1568693991)

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

**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 FITNIZZ free?

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

### Is GoTall free?

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

### Do FITNIZZ or GoTall have ads?

GoTall shows ads; FITNIZZ does not.

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

FITNIZZ ships an update every 14 months, and GoTall weekly. Most recently, FITNIZZ was updated on October 10, 2026 and GoTall on October 27, 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.*