# Ask Euterpe vs The Untempered Cosmos

The clearest difference is price: Ask Euterpe at Free against The Untempered Cosmos's $3.99. The Untempered Cosmos's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

Ask Euterpe is free to download; The Untempered Cosmos costs $3.99 up front. Ask Euterpe sells 1 one-off in-app purchase. The Untempered Cosmos asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Ask Euterpe against 5.0 for The Untempered Cosmos. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Ask Euterpe ships an update every 8 days, The Untempered Cosmos weekly. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Ask Euterpe | The Untempered Cosmos |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/ask-euterpe/id6757444076/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/the-untempered-cosmos/id6767100468/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 98 MB | 13 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JOSHUA ALEXANDER LILLY](https://appshunter.io/developer/1867003089) | [RICHARD ANDREW LEE](https://appshunter.io/developer/1896382142) |

## What reviewers say

### Ask Euterpe

[App page](https://appshunter.io/ios/app/ask-euterpe/id6757444076)

This app provides randomized musical prompts and suggestions for composers, producers, and songwriters. It offers audio playback of generated ideas and allows users to save and refine their inspirations. The tool is designed to be a quick, privacy-focused creative companion for musicians of all levels.

**Highlights:** Randomized musical prompts, Filterable output (scale, genre, instrumentation), Audio playback of scales and keys, Save and refine "Visions", Instrument-agnostic suggestions, Privacy-first architecture

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Removed Forever! | $1.99 | one-time |


### The Untempered Cosmos

[App page](https://appshunter.io/ios/app/the-untempered-cosmos/id6767100468)

Experience a unique auditory representation of the night sky. This app translates celestial bodies into a dynamic, ever-changing soundscape based on their real-time positions and brightness. It offers an immersive, non-repeating musical experience tuned to a specific harmonic system.

**Highlights:** Real-time celestial positioning, Spatialized 3D audio, Dynamic, non-repeating soundscape, Just intonation tuning, Head tracking support (iOS 18+), Catalog of 88 celestial objects

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ask Euterpe free?

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

### Is The Untempered Cosmos free?

The Untempered Cosmos costs $3.99, with no in-app purchases.

### Which has better reviews, Ask Euterpe or The Untempered Cosmos?

Ask Euterpe and The Untempered Cosmos are both rated 5.0 out of 5 on the App Store, from 4 and 3 ratings respectively.

### Do Ask Euterpe or The Untempered Cosmos have ads?

Ask Euterpe shows ads; The Untempered Cosmos does not.

### Which is updated more often, Ask Euterpe or The Untempered Cosmos?

Ask Euterpe ships an update every 8 days, and The Untempered Cosmos weekly. Most recently, Ask Euterpe was updated on November 5, 2026 and The Untempered Cosmos on November 9, 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.*