# Organ Instrument vs DrainTone

The clearest difference is in-app purchases: Organ Instrument at none against DrainTone's 2. Organ Instrument also leads on device support (3 vs 1). DrainTone's advantage is update cadence (every 3 weeks vs every 21 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. DrainTone sells 2 in-app purchases, starting at $2.99 per 7 days. Organ Instrument asks for nothing beyond the download.

Organ Instrument ships an update every 21 months, DrainTone every 3 weeks. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Organ Instrument | DrainTone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (30 ratings)](https://appshunter.io/ios/app/organ-instrument/id6503006852/reviews)** | — |
| Number of ratings | **30** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 36 MB | 4 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Himalay Diyora](https://appshunter.io/developer/1736716287) | [biaopeng zhou](https://appshunter.io/developer/1895904365) |

## What reviewers say

### Organ Instrument

[App page](https://appshunter.io/ios/app/organ-instrument/id6503006852)

Explore the world of the organ instrument through interactive features and educational content. Learn about different music styles, organ types, and global traditions. Practice and experiment with a virtual organ interface.

**Highlights:** Explore organ music styles, Learn organ structure and types, Virtual organ interface for practice, Discover global organ traditions, Information on notable organists

**Features:** macOS Compatibility

**In-app purchases:** none


### DrainTone

[App page](https://appshunter.io/ios/app/draintone-water-eject/id6772551399)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DrainTone Pro Weekly | $2.99 | per 7 days |
| DrainTone Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is Organ Instrument free?

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

### Is DrainTone free?

DrainTone is free to download, with in-app purchases available.

### Do Organ Instrument or DrainTone have ads?

Neither Organ Instrument nor DrainTone shows ads.

### Which is updated more often, Organ Instrument or DrainTone?

Organ Instrument ships an update every 21 months, and DrainTone every 3 weeks. Most recently, Organ Instrument was updated on November 4, 2026 and DrainTone on October 25, 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.*