# Accelerando vs iGrooveMuse

The clearest difference is monetization model: Accelerando at free against iGrooveMuse's free with in-app purchases. Accelerando also leads on update cadence (every 3 days vs every 11 days). iGrooveMuse's advantage is ratings volume (20 vs 3). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Accelerando sells 1 one-off in-app purchase and iGrooveMuse sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.0 for Accelerando against 4.1 for iGrooveMuse. That said, the two scores are not equally well evidenced: iGrooveMuse has 20 ratings behind it against 3, so its average is the more settled of the two.

Accelerando ships an update every 3 days, iGrooveMuse every 11 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Accelerando | iGrooveMuse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/accelerando-play-with-motion/id6755481740/reviews) | **[4.1 (20 ratings)](https://appshunter.io/ios/app/igroovemuse/id6757769363/reviews)** |
| Number of ratings | 3 | **20** |
| Positive reviews | — | 61.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 11 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 59 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ALBEDO JACEK FRANKOWSKI](https://appshunter.io/developer/1854135383) | [Naihe Hu](https://appshunter.io/developer/564180065) |

## What reviewers say

### Accelerando

[App page](https://appshunter.io/ios/app/accelerando-play-with-motion/id6755481740)

This music player dynamically adjusts song tempo to match your physical activity. It integrates with popular music services and local files, offering a personalized listening experience for workouts and commutes.

**Highlights:** Real-time music speed adjustment, GPS-based tempo control, SoundCloud integration, iTunes library access, Local audio file support, Background playback, Customizable presets

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $6.99 | one-time |


### iGrooveMuse

[App page](https://appshunter.io/ios/app/igroovemuse/id6757769363)

Experience your music collection with a retro, tactile feel. This app recreates the visual charm of vinyl records, cassette tapes, and CDs with interactive players and immersive album browsing. Share your favorite tracks with artistic, customizable cards.

**Highlights:** Vinyl, Cassette, CD, and Walkman player simulations, Immersive Crate View, CD Tower, and Artist Wall album browsing, Customizable music share cards with various styles, Import local music files, Apple Music integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $2.99 | per month |
| Yearly Pro | $19.99 | per year |
| All NewPlayer And Features | $9.99 | one-time |
| Classic LifeTime Pro | $39.99 | one-time |


## Frequently asked questions

### Is Accelerando free?

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

### Is iGrooveMuse free?

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

### Which has better reviews, Accelerando or iGrooveMuse?

iGrooveMuse is rated higher. Accelerando averages 4.0 out of 5 from 3 ratings, while iGrooveMuse averages 4.1 from 20 ratings.

### Do Accelerando or iGrooveMuse have ads?

Neither Accelerando nor iGrooveMuse shows ads.

### Which is updated more often, Accelerando or iGrooveMuse?

Accelerando ships an update every 3 days, and iGrooveMuse every 11 days. Most recently, Accelerando was updated on October 30, 2026 and iGrooveMuse on October 31, 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.*