# Trope vs Red Koto

The clearest difference is rating: Trope at 4.8 against Red Koto's 1.0. Trope also leads on review sentiment (64% vs 40%) and price ($3.99 vs $8.99). Red Koto's advantage is update cadence (every 6 months vs every 34 months) and iOS requirement (13.0 vs 15.6). On ads, in-app purchases, monetization model and device support there is nothing between them.

Trope costs $3.99 and Red Koto $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Trope holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Trope has 38 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 64% of Trope's written reviews are positive against 40% of Red Koto's.

Trope ships an update every 34 months, Red Koto every 6 months. The most recent releases landed on October 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Trope | Red Koto |
| --- | --- | --- |
| Price | **$3.99** | $8.99 |
| Rating | **[4.8 (38 ratings)](https://appshunter.io/ios/app/trope/id312164495/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/red-koto/id387575031/reviews) |
| Number of ratings | **38** | 1 |
| Positive reviews | **63.7% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 6 months** |
| Monetization | Paid | Paid |
| Size | 39 MB | 29 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Opal Limited](https://appshunter.io/developer/292792589) | [Oliver Grimm](https://appshunter.io/developer/380669289) |

## What reviewers say

### Trope

[App page](https://appshunter.io/ios/app/trope/id312164495)

Create evolving soundscapes by tracing abstract shapes on your screen. This app offers a darker, more introspective and atmospheric musical experience, ideal for generative music exploration. Recommended for use with headphones or external speakers.

**Highlights:** Generative soundscape creation, Interactive touch interface, Evolving musical textures, Introspective and atmospheric tone, Abstract shape tracing

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

**In-app purchases:** none

**What reviewers like**

- ✨ Generative music creation
- 🧘 Calming and meditative atmosphere
- 🎨 Visually beautiful and mesmerizing
- 🎧 Great for relaxation and sleep
- 💡 Pioneering and innovative concept

**What reviewers complain about**

- 📉 Limited user control
- 🤔 Simplistic and unimaginative (for some)
- 🔊 Random background noises intrusive
- 🎛️ Lack of sound modification options
- 💰 Perceived as expensive for simplicity

**Reported bugs**

- Does not run in background/sleep mode
- App speeds up sleep timer
- Errors about iOS 11 incompatibility
- Cannot listen and create after update
- Screen looks awful (outdated UI)

**Requested features**

- Ability to save compositions
- Option to turn off random background noises
- More control over sound parameters (attack, duration)
- User sound input option
- Recording function


### Red Koto

[App page](https://appshunter.io/ios/app/red-koto/id387575031)

Explore a collection of 74 Koto tunings by a renowned virtuoso. Use it to tune your instrument by ear, study scales, or play along with unique compositions. The app features interactive strings and notes for an immersive musical experience.

**Highlights:** 74 Koto tunings, Tuning by ear, Scale study, Interactive string display, Plucked and picked sounds, Customizable tuning order

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

**In-app purchases:** none


## Frequently asked questions

### Is Trope free?

Trope costs $3.99, with no in-app purchases.

### Is Red Koto free?

Red Koto costs $8.99, with no in-app purchases.

### Which has better reviews, Trope or Red Koto?

Trope is rated higher. Trope averages 4.8 out of 5 from 38 ratings, while Red Koto averages 1.0 from 1 ratings.

### Do Trope or Red Koto have ads?

Neither Trope nor Red Koto shows ads.

### Which is updated more often, Trope or Red Koto?

Trope ships an update every 34 months, and Red Koto every 6 months. Most recently, Trope was updated on October 29, 2026 and Red Koto on October 1, 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.*