# Treppan Living vs Sanzen Development

The clearest difference is update cadence: Treppan Living at weekly against Sanzen Development's monthly. Treppan Living also leads on iOS requirement (13.4 vs 15.0). 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.

Treppan Living ships an update weekly, Sanzen Development monthly. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Treppan Living | Sanzen Development |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 188 MB | 39 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Treppan Living Technologies](https://appshunter.io/developer/6819628967) | [SANZEN PROJECT MANAGEMENT L.L.C](https://appshunter.io/developer/1882966875) |

## What reviewers say

### Treppan Living

[App page](https://appshunter.io/ios/app/treppan-living/id6741094957)

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

**In-app purchases:** none


### Sanzen Development

[App page](https://appshunter.io/ios/app/sanzen-development/id6762816484)

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

**In-app purchases:** none


## Frequently asked questions

### Is Treppan Living free?

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

### Is Sanzen Development free?

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

### Do Treppan Living or Sanzen Development have ads?

Neither Treppan Living nor Sanzen Development shows ads.

### Which is updated more often, Treppan Living or Sanzen Development?

Treppan Living ships an update weekly, and Sanzen Development monthly. Most recently, Treppan Living was updated on November 4, 2026 and Sanzen Development on October 28, 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.*