# Kaizen | Habits & Productivity vs Kaizen

The clearest difference is in-app purchases: Kaizen | Habits & Productivity at none against Kaizen's 2. Kaizen's advantage is update cadence (every 2 weeks vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kaizen sells 2 in-app purchases, starting at $3.99 per month. Kaizen | Habits & Productivity asks for nothing beyond the download.

Kaizen | Habits & Productivity ships an update every 4 weeks, Kaizen every 2 weeks. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Kaizen | Habits & Productivity | Kaizen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Size | 42 MB | 68 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GEORGE PATRICK ERSKINE REILLY](https://appshunter.io/developer/1823614661) | [MK Development](https://appshunter.io/developer/1853083060) |

## What reviewers say

### Kaizen | Habits & Productivity

[App page](https://appshunter.io/ios/app/kaizen-habits-and-productivity/id6747965128)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Kaizen | Habits & Productivity free?

Kaizen | Habits & Productivity is free to download, with no in-app purchases.

### Is Kaizen free?

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

### Do Kaizen | Habits & Productivity or Kaizen have ads?

Neither Kaizen | Habits & Productivity nor Kaizen shows ads.

### Which is updated more often, Kaizen | Habits & Productivity or Kaizen?

Kaizen | Habits & Productivity ships an update every 4 weeks, and Kaizen every 2 weeks. Most recently, Kaizen | Habits & Productivity was updated on October 7, 2026 and Kaizen on October 16, 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.*