# OttOrgan vs Suiin

The clearest difference is price: Suiin at Free against OttOrgan's $9.00. Suiin also leads on update cadence (every 5 weeks vs every 5 months). OttOrgan's advantage is device support (4 vs 2) and iOS requirement (12.5.6 vs 17.6). On ads and in-app purchases there is nothing between them.

Suiin is free to download; OttOrgan costs $9.00 up front. Neither carries in-app purchases, so what you see is what you pay.

OttOrgan ships an update every 5 months, Suiin every 5 weeks. The most recent releases landed on November 1, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | OttOrgan | Suiin |
| --- | --- | --- |
| Price | $9.00 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ottorgan/id519638462/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 340 MB | 138 MB |
| Requires iOS | **12.5.6** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Markus Sigg](https://appshunter.io/developer/458880634) | [要华 张](https://appshunter.io/developer/1688491473) |

## What reviewers say

### OttOrgan

[App page](https://appshunter.io/ios/app/ottorgan/id519638462)

This application allows users to play a specific house organ sample set using a MIDI keyboard and pedal on iOS or macOS devices. It provides access to a unique five-rank manual and attached pedal with a 16' subbass.

**Highlights:** Play Ott-Orgel sample set, Connect MIDI keyboard, Connect MIDI pedal, iOS and macOS support, House organ simulation

**In-app purchases:** none


### Suiin

[App page](https://appshunter.io/ios/app/suiin/id6761001425)

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

**In-app purchases:** none


## Frequently asked questions

### Is OttOrgan free?

OttOrgan costs $9.00, with no in-app purchases.

### Is Suiin free?

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

### Do OttOrgan or Suiin have ads?

Neither OttOrgan nor Suiin shows ads.

### Which is updated more often, OttOrgan or Suiin?

OttOrgan ships an update every 5 months, and Suiin every 5 weeks. Most recently, OttOrgan was updated on November 1, 2026 and Suiin on November 9, 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.*