# Kaizen OS vs TrackZen IDEA

The clearest difference is ads: TrackZen IDEA at none against Kaizen OS's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Kaizen OS | TrackZen IDEA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | — |
| Size | 10 MB | 46 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tech Solutions International Limited](https://appshunter.io/developer/1501469046) | [Gredenza International Security and Surveillance Services LLC](https://appshunter.io/developer/1160749826) |

## What reviewers say

### Kaizen OS

[App page](https://appshunter.io/ios/app/kaizen-os/id1472730056)

**Features:** macOS Compatibility

**In-app purchases:** none


### TrackZen IDEA

[App page](https://appshunter.io/ios/app/trackzen-idea/id6743828048)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kaizen OS free?

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

### Is TrackZen IDEA free?

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

### Do Kaizen OS or TrackZen IDEA have ads?

Kaizen OS shows ads; TrackZen IDEA does not.

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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.*