# Ketuk Cengceng vs Undersong

The clearest difference is rating: Undersong at 5.0 against Ketuk Cengceng's 1.0. Undersong also leads on update cadence (daily vs every 26 months) and ratings volume (11 vs 1). Ketuk Cengceng's advantage is price ($2.99 vs $9.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Ketuk Cengceng costs $2.99 and Undersong $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Undersong holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Undersong has 11 ratings behind it against 1, so its average is the more settled of the two.

Ketuk Cengceng ships an update every 26 months, Undersong daily. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ketuk Cengceng | Undersong |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ketuk-cengceng/id388822563/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/undersong/id6802013758/reviews)** |
| Number of ratings | 1 | **11** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Daily** |
| Monetization | Paid | Paid |
| Size | 46 MB | 19 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [emacsian Company Limited](https://appshunter.io/developer/388819355) | [ian johnston](https://appshunter.io/developer/1886071653) |

## What reviewers say

### Ketuk Cengceng

[App page](https://appshunter.io/ios/app/ketuk-cengceng/id388822563)

Experience the authentic sounds of Balinese Gamelan music with this app. It features meticulously sampled instruments, realistic playing interactions, and high-quality visuals. Enjoy an ad-free, low-latency audio experience designed for both learning and playing.

**Highlights:** Authentic sampled instrument sounds, Realistic user interaction, Low-latency audio playback, High-quality instrument photos, Zoomable instrument views, Customizable cipher notations

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

**In-app purchases:** none


### Undersong

[App page](https://appshunter.io/ios/app/undersong/id6802013758)

This audio effect acts like an instrument, generating synthesized notes in key based on incoming audio. Explore a vast array of sound combinations with various materials, modes, and patterns for unique ambient performances.

**Highlights:** Generates in-key synthesized notes from audio input, 12 material types and 10 performance modes, 10 pattern options for sound shaping, Self-generating ambient pad mode, Gravity feature for melodic anchoring, Customizable scales and root notes, Integrated reverb effect

**In-app purchases:** none


## Frequently asked questions

### Is Ketuk Cengceng free?

Ketuk Cengceng costs $2.99, with no in-app purchases.

### Is Undersong free?

Undersong costs $9.99, with no in-app purchases.

### Which has better reviews, Ketuk Cengceng or Undersong?

Undersong is rated higher. Ketuk Cengceng averages 1.0 out of 5 from 1 ratings, while Undersong averages 5.0 from 11 ratings.

### Do Ketuk Cengceng or Undersong have ads?

Neither Ketuk Cengceng nor Undersong shows ads.

### Which is updated more often, Ketuk Cengceng or Undersong?

Ketuk Cengceng ships an update every 26 months, and Undersong daily. Most recently, Ketuk Cengceng was updated on October 22, 2026 and Undersong 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.*