# HeightGPT vs Life Clock

The clearest difference is rating: Life Clock at 5.0 against HeightGPT's 4.4. Life Clock also leads on review sentiment (100% vs 83%). HeightGPT's advantage is ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. HeightGPT sells 2 in-app purchases, starting at $3.99 per 7 days and Life Clock sells 15 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Life Clock holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 16 and 30 respectively. Written reviews point the same way: 83% of HeightGPT's written reviews are positive against 100% of Life Clock's.

HeightGPT ships an update weekly, Life Clock every 6 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HeightGPT | Life Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (16 ratings)](https://appshunter.io/ios/app/heightgpt/id6741367617/reviews) | **[5.0 (30 ratings)](https://appshunter.io/ios/app/life-clock-live-longer/id6742798347/reviews)** |
| Number of ratings | 16 | **30** |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 59 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Boulevard Legacy LLC](https://appshunter.io/developer/1788132576) | [Chen Holdings Group, LLC](https://appshunter.io/developer/1843441856) |

## What reviewers say

### HeightGPT

[App page](https://appshunter.io/ios/app/heightgpt/id6741367617)

This AI-powered app helps you track and optimize your height growth. It offers personalized training, habit optimization, and predictive analytics based on various factors like genetics and lifestyle. Visualize your progress and achieve your growth potential.

**Highlights:** AI-powered height predictions, Growth visualizations, Personalized training plans, Growth habit optimization, Parental and genetics analysis, Smart to-do list for growth

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| One Time | $29.99 | one-time |


### Life Clock

[App page](https://appshunter.io/ios/app/life-clock-live-longer/id6742798347)

Estimate your life expectancy and discover personalized strategies to extend it. Track your habits, nutrition, and exercise to build a custom longevity plan with AI-powered insights. Make data-driven choices to improve your well-being and maximize your years.

**Highlights:** Life expectancy estimation, Health optimization analytics, Custom longevity plan building, AI-powered health advisor, Daily habit monitoring, Data-driven lifestyle adjustments

**Features:** macOS Compatibility

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Life Clock Monthly | $3.99 | per month |
| DeathCounter Monthly | $4.99 | per month |
| Life Clock Monthly | $5.99 | per month |
| Life Clock yearly | $14.99 | per year |
| Death Counter - Monthly | $14.99 | per month |
| Life Clock yearly | $20.99 | per year |
| Life Clock yearly | $26.99 | per year |
| Life Clock yearly | $29.99 | per year |
| Life Clock yearly | $41.99 | per year |
| Life Clock yearly | $53.99 | per year |
| Death Counter - Yearly | $59.99 | per year |
| Death Counter One Time | $19.99 | one-time |
| Life Clock Lifetime | $29.99 | one-time |
| Life Clock Lifetime | $39.99 | one-time |
| Life Clock Lifetime | $119.99 | one-time |


## Frequently asked questions

### Is HeightGPT free?

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

### Is Life Clock free?

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

### Which has better reviews, HeightGPT or Life Clock?

Life Clock is rated higher. HeightGPT averages 4.4 out of 5 from 16 ratings, while Life Clock averages 5.0 from 30 ratings.

### Do HeightGPT or Life Clock have ads?

Life Clock shows ads; HeightGPT does not.

### Which is updated more often, HeightGPT or Life Clock?

HeightGPT ships an update weekly, and Life Clock every 6 days. Most recently, HeightGPT was updated on October 30, 2026 and Life Clock on October 24, 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.*