# NAK Chorbuch vs ET

The clearest difference is in-app purchases: ET at none against NAK Chorbuch's 1. ET also leads on price ($5.99 vs $7.99). NAK Chorbuch's advantage is iOS requirement (9.0 vs 12.0). On update cadence, ads and device support there is nothing between them.

NAK Chorbuch costs $7.99 and ET $5.99 up front. NAK Chorbuch sells 1 one-off in-app purchase. ET asks for nothing beyond the download.

NAK Chorbuch ships an update every 4 months, ET every 2 months. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | NAK Chorbuch | ET |
| --- | --- | --- |
| Price | $7.99 | **$5.99** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/et-ear-trainer/id1580200913/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 4 MB | 97 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Verlag Friedrich Bischoff GmbH](https://appshunter.io/developer/491916559) | [Daniel Schenker](https://appshunter.io/developer/1580200915) |

## What reviewers say

### NAK Chorbuch

[App page](https://appshunter.io/ios/app/nak-chorbuch/id903320307)

Access all lyrics from the hymnal for New Apostolic Church services. Quickly search, view, and customize text display for hymns. An optional premium package adds advanced features for conductors and musicians.

**Highlights:** Search lyrics by number, category, or full text, Adjustable font size and display modes, Tablet-optimized layout, Filter and sort search results, Add personal notes to hymns, Mark songs as favorites, Create and share song lists

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium-Paket | $3.99 | one-time |


### ET

[App page](https://appshunter.io/ios/app/et-ear-trainer/id1580200913)

Enhance your musical ear with interactive exercises designed for musicians of all levels. Practice active and passive hearing through a variety of drills, including interval recognition, chord identification, and melodic imitation using your instrument or voice. The app offers a unique dialogue feature with integrated voicing generation for accurate feedback.

**Highlights:** Active and passive hearing exercises, Microphone-based instrument/voice feedback, Integrated voicing generator for chords, Customizable educational guidance, Over 280 achievements and score publishing, Support for over 40 scales and 140 chord progressions

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

**In-app purchases:** none


## Frequently asked questions

### Is NAK Chorbuch free?

NAK Chorbuch costs $7.99, and also offers in-app purchases.

### Is ET free?

ET costs $5.99, with no in-app purchases.

### Do NAK Chorbuch or ET have ads?

Neither NAK Chorbuch nor ET shows ads.

### Which is updated more often, NAK Chorbuch or ET?

NAK Chorbuch ships an update every 4 months, and ET every 2 months. Most recently, NAK Chorbuch was updated on October 8, 2026 and ET on October 14, 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.*