# Sowester vs Kachaka

The clearest difference is update cadence: Kachaka at every 6 weeks against Sowester's every 29 months. Sowester's advantage is iOS requirement (9.0 vs 15.6). On price, ads, 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.

Sowester ships an update every 29 months, Kachaka every 6 weeks. The most recent releases landed on September 15, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Sowester | Kachaka |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kachaka/id1607017048/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 17 MB | 91 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHUJI TOYOZATO](https://appshunter.io/developer/1457952946) | [Preferred Robotics, Inc.](https://appshunter.io/developer/1607017050) |

## What reviewers say

### Sowester

[App page](https://appshunter.io/ios/app/sowester/id1457952947)

**In-app purchases:** none


### Kachaka

[App page](https://appshunter.io/ios/app/kachaka/id1607017048)

Transform your living space with smart furniture that moves autonomously. Create dynamic room layouts for living, dining, or kitchen use with simple app controls. Schedule furniture movements for daily routines or convenience.

**Highlights:** Autonomous furniture movement, Customizable room layouts, One-tap shortcut controls, Schedule furniture for routines, Designate no-entry zones, Voice command integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Sowester free?

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

### Is Kachaka free?

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

### Do Sowester or Kachaka have ads?

Neither Sowester nor Kachaka shows ads.

### Which is updated more often, Sowester or Kachaka?

Sowester ships an update every 29 months, and Kachaka every 6 weeks. Most recently, Sowester was updated on September 15, 2026 and Kachaka on September 22, 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.*