# Trompong vs Year One

The clearest difference is price: Year One at Free against Trompong's $4.99. Year One also leads on update cadence (every 7 months vs every 33 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Year One is free to download; Trompong costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Trompong ships an update every 33 months, Year One every 7 months. Both last shipped on October 22, 2026.

## The numbers

| Metric | Trompong | Year One |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/year-one/id1282314928/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 7 months** |
| Monetization | Paid | **Free** |
| Size | 36 MB | 407 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) | [TCW](https://appshunter.io/developer/1193839943) |

## What reviewers say

### Trompong

[App page](https://appshunter.io/ios/app/trompong/id673710232)

Experience the authentic sounds of Balinese Gamelan Gong Kebyar with this app. It features a row of 10 gongs, offering a realistic playing experience with high-quality sampled sounds and interactive controls. Explore detailed instrument views and customizable notation displays.

**Highlights:** Authentic sampled sound bank, Realistic playing experience, Ultra-low latency audio, Zoomable instrument views, Customizable cipher notation, Ad-free experience

**Features:** Vision Pro support

**In-app purchases:** none


### Year One

[App page](https://appshunter.io/ios/app/year-one/id1282314928)

Experience music in a new dimension with augmented reality. Move around your space to uncover hidden sounds, build melodies, and create unique listening experiences by interacting with spatial audio arrangements.

**Highlights:** Spatial album listening, Augmented reality soundscapes, Interactive music exploration, Build melodies and chords, Dynamic audio effects, Create unique listening experiences

**In-app purchases:** none


## Frequently asked questions

### Is Trompong free?

Trompong costs $4.99, with no in-app purchases.

### Is Year One free?

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

### Do Trompong or Year One have ads?

Neither Trompong nor Year One shows ads.

### Which is updated more often, Trompong or Year One?

Trompong ships an update every 33 months, and Year One every 7 months. Most recently, Trompong was updated on October 22, 2026 and Year One on October 22, 2026.

---

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