# TN vs KR8

The clearest difference is price: TN at Free against KR8's $2.99. TN also leads on iOS requirement (15.6 vs 17). KR8's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

TN is free to download; KR8 costs $2.99 up front. TN sells 1 one-off in-app purchase. KR8 asks for nothing beyond the download.

TN ships an update every 5 months, KR8 every 4 days. The most recent releases landed on October 18, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | TN | KR8 |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 days** |
| Size | 13 MB | 5 MB |
| Requires iOS | **15.6** | 17 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Blowbend.jp](https://appshunter.io/developer/535422149) | [devin sewell](https://appshunter.io/developer/716437457) |

## What reviewers say

### TN

[App page](https://appshunter.io/ios/app/tn-drdrum-machine/id1050709868)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### KR8

[App page](https://appshunter.io/ios/app/kr8-0-drum-machine/id6761496294)

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

**In-app purchases:** none


## Frequently asked questions

### Is TN free?

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

### Is KR8 free?

KR8 costs $2.99, with no in-app purchases.

### Do TN or KR8 have ads?

TN shows ads; KR8 does not.

### Which is updated more often, TN or KR8?

TN ships an update every 5 months, and KR8 every 4 days. Most recently, TN was updated on October 18, 2026 and KR8 on October 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*