# Kaizen OS vs Peninsula by Select Group

The clearest difference is ads: Peninsula by Select Group at none against Kaizen OS's shown. Peninsula by Select Group also leads on update cadence (fortnightly vs every 8 months). Kaizen OS's advantage is iOS requirement (11.0 vs 13.0). On price, in-app purchases and device support there is nothing between them.

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

Kaizen OS ships an update every 8 months, Peninsula by Select Group fortnightly. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Kaizen OS | Peninsula by Select Group |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Fortnightly** |
| Size | 10 MB | 37 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tech Solutions International Limited](https://appshunter.io/developer/1501469046) | [PROP LAB SOFTWARE DEVELOPMENT LLC](https://appshunter.io/developer/1521860211) |

## What reviewers say

### Kaizen OS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Peninsula by Select Group

[App page](https://appshunter.io/ios/app/peninsula-by-select-group/id6737413296)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kaizen OS free?

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

### Is Peninsula by Select Group free?

Peninsula by Select Group is free to download, with no in-app purchases.

### Do Kaizen OS or Peninsula by Select Group have ads?

Kaizen OS shows ads; Peninsula by Select Group does not.

### Which is updated more often, Kaizen OS or Peninsula by Select Group?

Kaizen OS ships an update every 8 months, and Peninsula by Select Group fortnightly. Most recently, Kaizen OS was updated on October 26, 2026 and Peninsula by Select Group on October 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*