# Kaizen vs Kaizen Personal Development

The clearest difference is update cadence: Kaizen Personal Development at every 6 days against Kaizen's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Kaizen sells 2 in-app purchases, starting at $3.99 per month and Kaizen Personal Development sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Kaizen ships an update fortnightly, Kaizen Personal Development every 6 days. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Kaizen | Kaizen Personal Development |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Size | 66 MB | 48 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MK Development](https://appshunter.io/developer/1853083060) | [Monica Dede Schmid](https://appshunter.io/developer/1873571941) |

## What reviewers say

### Kaizen

[App page](https://appshunter.io/ios/app/kaizen-focus-and-study-timer/id6755314708)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (monthly) | $3.99 | per month |
| Premium (yearly) | $44.99 | per year |


### Kaizen Personal Development

[App page](https://appshunter.io/ios/app/kaizen-personal-development/id6790007423)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kaizen Pro Monthly | $9.99 | per month |
| Kaizen Pro Yearly (Offer) | $49.99 | per year |
| Kaizen Pro Yearly | $69.99 | per year |


## Frequently asked questions

### Is Kaizen free?

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

### Is Kaizen Personal Development free?

Kaizen Personal Development is free to download, with in-app purchases available.

### Do Kaizen or Kaizen Personal Development have ads?

Neither Kaizen nor Kaizen Personal Development shows ads.

### Which is updated more often, Kaizen or Kaizen Personal Development?

Kaizen ships an update fortnightly, and Kaizen Personal Development every 6 days. Most recently, Kaizen was updated on September 12, 2026 and Kaizen Personal Development on September 9, 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.*