# SEQTRAK vs Cornerman for K.O. II

The clearest difference is review sentiment: SEQTRAK at 79% against Cornerman for K.O. II's 20%. SEQTRAK also leads on rating (4.8 vs 2.5) and in-app purchases (none vs 1). Cornerman for K.O. II's advantage is iOS requirement (14.0 vs 16.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Cornerman for K.O. II sells 1 one-off in-app purchase. SEQTRAK asks for nothing beyond the download.

SEQTRAK holds the better App Store score, 4.8 against 2.5. Both are backed by a comparable volume of ratings — 9 and 11 respectively. Written reviews point the same way: 79% of SEQTRAK's written reviews are positive against 20% of Cornerman for K.O. II's.

SEQTRAK ships an update every 5 months, Cornerman for K.O. II every 3 months. The most recent releases landed on July 5, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SEQTRAK | Cornerman for K.O. II |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9 ratings)](https://appshunter.io/ios/app/seqtrak/id1544687021/reviews)** | [2.5 (11 ratings)](https://appshunter.io/ios/app/cornerman-for-ko-ii/id6499280264/reviews) |
| Number of ratings | 9 | **11** |
| Positive reviews | **78.6% of reviews** | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1.3 GB | 45 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yamaha Corporation](https://appshunter.io/developer/353469356) | [Delta Seven Kft.](https://appshunter.io/developer/1355331300) |

## What reviewers say

### SEQTRAK

[App page](https://appshunter.io/ios/app/seqtrak/id1544687021)

This app enhances your music production experience with a dedicated interface for real-time control and visual feedback. Manage projects, expand your sound library, and create dynamic visualizers that sync with your music. Learn new techniques with interactive tutorials.

**Highlights:** Real-time GUI editor for device control, Project and sound backup/reload, Cloud sound library expansion, 3D object and visual effect creation, AR mode for real-world footage integration, Dynamic, interactive tutorials

**In-app purchases:** none


### Cornerman for K.O. II

[App page](https://appshunter.io/ios/app/cornerman-for-ko-ii/id6499280264)

This app serves as a sample librarian for the Teenage Engineering EP-133 K.O. II sampler. It allows users to upload, download, and organize backups directly from their device. Note that it requires a USB-C connection and is only compatible with iOS devices featuring such ports.

**Highlights:** Sample librarian for EP-133 K.O. II, Upload and download backups, Organize and share backups, USB-C connection required, iOS device compatibility

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Restore/Backup Functionality | $14.99 | one-time |


## Frequently asked questions

### Is SEQTRAK free?

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

### Is Cornerman for K.O. II free?

Cornerman for K.O. II is free to download, with in-app purchases available.

### Which has better reviews, SEQTRAK or Cornerman for K.O. II?

SEQTRAK is rated higher. SEQTRAK averages 4.8 out of 5 from 9 ratings, while Cornerman for K.O. II averages 2.5 from 11 ratings.

### Do SEQTRAK or Cornerman for K.O. II have ads?

Neither SEQTRAK nor Cornerman for K.O. II shows ads.

### Which is updated more often, SEQTRAK or Cornerman for K.O. II?

SEQTRAK ships an update every 5 months, and Cornerman for K.O. II every 3 months. Most recently, SEQTRAK was updated on July 5, 2026 and Cornerman for K.O. II on September 13, 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.*