# Increase Height Workout vs Kyzen

The clearest difference is in-app purchases: Kyzen at none against Increase Height Workout's 10. Kyzen also leads on ads (none vs shown) and review sentiment (100% vs 67%). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Increase Height Workout sells 10 one-off in-app purchases. Kyzen asks for nothing beyond the download.

Increase Height Workout ships an update every 24 months, Kyzen every 2 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Increase Height Workout | Kyzen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (40 ratings)](https://appshunter.io/ios/app/increase-height-workout/id1478392652/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 24 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 41 MB | 59 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Roobol](https://appshunter.io/developer/1002996460) | [LESTER LABS INC.](https://appshunter.io/developer/1776278502) |

## What reviewers say

### Increase Height Workout

[App page](https://appshunter.io/ios/app/increase-height-workout/id1478392652)

Discover effective stretching and yoga exercises designed to improve posture and naturally increase your height over time. This app guides you through routines that focus on spinal flexibility and muscle strength, complementing a healthy diet for optimal results.

**Highlights:** Stretching exercises for height increase, Yoga poses for flexibility, Posture improvement guidance, Muscle strengthening routines, Dietary recommendations for growth hormones

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Create Workouts | $0.99 | one-time |
| Create Challenges | $1.99 | one-time |
| 60 Day Challenge | $1.99 | one-time |
| Jump Rope Challenge | $1.99 | one-time |
| Stretches to Grow Taller | $1.99 | one-time |
| Yoga Poses | $1.99 | one-time |
| Improve your posture | $1.99 | one-time |
| Increase Height in 30 Days | $1.99 | one-time |
| Full Bundle | $5.99 | one-time |


### Kyzen

[App page](https://appshunter.io/ios/app/kyzen/id6743682376)

This app enhances personal journaling with a focus on continuous improvement. It offers a distraction-free writing experience, personalized prompts, and powerful insights derived from your entries to guide personal growth.

**Highlights:** Distraction-free writing editor, Personalized journaling prompts, Analysis of thoughts and patterns, Visualization of personal growth, Detailed statistics on writing habits, End-to-end encryption for privacy

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

**In-app purchases:** none


## Frequently asked questions

### Is Increase Height Workout free?

Increase Height Workout is free to download, with in-app purchases available.

### Is Kyzen free?

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

### Do Increase Height Workout or Kyzen have ads?

Increase Height Workout shows ads; Kyzen does not.

### Which is updated more often, Increase Height Workout or Kyzen?

Increase Height Workout ships an update every 24 months, and Kyzen every 2 days. Most recently, Increase Height Workout was updated on October 14, 2026 and Kyzen on October 11, 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.*