# Dark Ambient vs Contour

The clearest difference is rating: Dark Ambient at 5.0 against Contour's 4.0. Contour's advantage is iOS requirement (16.0 vs 18.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Dark Ambient sells 1 one-off in-app purchase and Contour sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Dark Ambient holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Dark Ambient ships an update every 9 days, Contour weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Dark Ambient | Contour |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dark-ambient/id6787626338/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/contour-ambient-morph-synth/id6798038727/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 2 MB | 108 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lucas Langlois](https://appshunter.io/developer/6780890867) | [Chih Han Lin](https://appshunter.io/developer/1800248325) |

## What reviewers say

### Dark Ambient

[App page](https://appshunter.io/ios/app/dark-ambient/id6787626338)

Experience an evolving, non-repeating soundscape designed for sleep, focus, or quiet contemplation. This application operates entirely on-device, requiring no account, ads, or internet connection.

**Highlights:** Never-ending soundscapes, Slowly evolving audio, Designed for sleep, Aids concentration, No account required, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timer Unlock | $2.99 | one-time |


### Contour

[App page](https://appshunter.io/ios/app/contour-ambient-morph-synth/id6798038727)

This app is a unique musical instrument played by touch. It uses a visual interface where your finger's position determines the sound, offering a novel way to create drones, textures, and pads. It also functions as an AUv3 plugin for use in other music production apps.

**Highlights:** Touch-based sound generation, Perceptual distance mapping, Eleven distinct sound sheets, MIDI input and ribbon controller, AUv3 plugin support, Recording functionality (Pro), Customizable sound sheets (Pro)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contour Pro | $3.99 | one-time |


## Frequently asked questions

### Is Dark Ambient free?

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

### Is Contour free?

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

### Which has better reviews, Dark Ambient or Contour?

Dark Ambient is rated higher. Dark Ambient averages 5.0 out of 5 from 2 ratings, while Contour averages 4.0 from 2 ratings.

### Do Dark Ambient or Contour have ads?

Neither Dark Ambient nor Contour shows ads.

### Which is updated more often, Dark Ambient or Contour?

Dark Ambient ships an update every 9 days, and Contour weekly. Most recently, Dark Ambient was updated on October 25, 2026 and Contour 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.*