# KLANG2 vs shelfs

The clearest difference is price: shelfs at Free against KLANG2's $17.99. shelfs also leads on in-app purchases (none vs 10) and update cadence (fortnightly vs every 2 months). KLANG2's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.6). On review sentiment and ads there is nothing between them.

shelfs is free to download; KLANG2 costs $17.99 up front. KLANG2 sells 10 one-off in-app purchases. shelfs asks for nothing beyond the download.

KLANG2 ships an update every 2 months, shelfs fortnightly. The most recent releases landed on September 21, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | KLANG2 | shelfs |
| --- | --- | --- |
| Price | $17.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/klang2/id978268338/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 98 MB | 7 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [M-TANK,INC](https://appshunter.io/developer/564123142) | [Smart Engineering](https://appshunter.io/developer/544232740) |

## What reviewers say

### KLANG2

[App page](https://appshunter.io/ios/app/klang2/id978268338)

This app is a next-generation sampler designed for music creation and editing. It offers advanced features for recording, editing, and managing audio clips, allowing users to create polished tracks with precise control over sound and playback.

**Highlights:** Recording functionality, Keyboard layout with banks, Fade in/out and crossfade editing, Speed and pitch adjustment, Library management (User, iTunes, Dropbox), Waveform touch manipulation, Auto play playlist creation

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chime | $2.99 | one-time |
| 音楽室 | $2.99 | one-time |
| 効果音２ | $3.99 | one-time |
| 効果音３ | $3.99 | one-time |
| 効果音４ | $3.99 | one-time |
| 和２ | $3.99 | one-time |
| Recording Function | $3.99 | one-time |
| Keyboard Function | $9.99 | one-time |
| Move Function | $11.99 | one-time |
| Editor | $14.99 | one-time |


### shelfs

[App page](https://appshunter.io/ios/app/shelfs/id6446165591)

Listen to community radio programs up to 7 days after they air. Manage your favorite shows in playlists that automatically update with the latest episodes. Enjoy local radio content on your schedule.

**Highlights:** 7-day catch-up playback, Playlist management, Automatic episode updates, Cross-search by program, station, genre, Background playback, Resume playback

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

**In-app purchases:** none


## Frequently asked questions

### Is KLANG2 free?

KLANG2 costs $17.99, and also offers in-app purchases.

### Is shelfs free?

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

### Do KLANG2 or shelfs have ads?

Neither KLANG2 nor shelfs shows ads.

### Which is updated more often, KLANG2 or shelfs?

KLANG2 ships an update every 2 months, and shelfs fortnightly. Most recently, KLANG2 was updated on September 21, 2026 and shelfs on August 27, 2026.

---

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