Comparison

Accelerando vs iGrooveMuse

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Accelerando

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
Read full description

Accelerando is a revolutionary music player that automatically adjusts playback speed based on your movement. Perfect for running and other activities. Features: • Real-time music speed adjustment based on GPS • Access to millions of tracks from SoundCloud • Access to your iTunes music library • Supported local audio files: .m4a, .mp3, .flac, .wav, .aiff, .aif, .aifc, .caf, .aac, .mp4, .m4p, .m4b, .3gp, .3g2, .amr, .ac3, .eac3, .mp1, .mp2, .au, .snd • Background playback with lock screen controls • Simple playlist organization • 3 customizable presets (music tempo & movement speed) • Speed unit and language selection The run, bicycle, and car presets work exactly the same - you can use them for any type of activity. Whether you're warming up or sprinting, Accelerando keeps your music in sync with your pace! Do not use this app while driving a vehicle. This application is designed to be used only as a passenger. Safety is important.

About

iGrooveMuse

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
Read full description

iGrooveMuse is an immersive music player focused on "ritual" and "aesthetics." In the digital age, we are dedicated to recreating the tactile and visual charm of physical records. [Retro Aesthetic Players] Vinyl Mode: Delicate record spinning and a needle that moves with the tracks, restoring the pure analog feeling. Cassette Mode: Dynamic reel effects and the crisp mechanical sound of loading tapes, awakening memories of the 80s. CD Mode: Classic loading animations and authentic disc textures make every album worth collecting. Walkman Mode: Multiple classic Walkman skins to relive the time when music was always in your pocket. [Immersive Album Management] Crate View: Browse your album collection just like flipping through records in a store. CD Tower: A 3D visual presentation to build your own private CD rack. Artist Wall: Beautiful large layouts that let every artist shine on your screen. [High-Quality Share Cards] Dozens of built-in templates to quickly generate artistic music posters. Support for Vinyl, Cassette, Minimalist Lyrics, and more styles to make your social sharing stand out. Easily import local music files with support for all major audio formats. Deep Apple Music integration to sync your library and playlists. Rediscover the ritual of music with iGrooveMuse. Apple Official User Documentation (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Accelerando4 screens
iGrooveMuse4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Accelerando versus iGrooveMuse: the parameters behind the verdict, then further details
ParameterAccelerandoiGrooveMuse
PriceFreeFree
Rating4.0 (3 ratings)4.1 (20 ratings) — better
Positive reviews—61.1% of reviews
Number of ratings320 — better
Update frequencyEvery 3 days — betterEvery 11 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, Apple Watch — better
Requires iOS17.6 — better18.0
Further details — not scored
Size2 MB59 MB
Age rating4+4+
DeveloperALBEDO JACEK FRANKOWSKINaihe Hu

Customer experience

Accelerando

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

iGrooveMuse

All ratings20 ratings
Positive75.0%
Neutral5.0%
Negative20.0%
Written reviews36 reviews
Positive61.1%
Neutral22.2%
Negative16.7%

In-app purchases

1 purchases

Accelerando

One-time1
  • Full version$6.99
4 purchases

iGrooveMuse

Subscriptions2
  • Monthly Pro3 Days trial$2.991 Month
  • Yearly Pro7 Days trial$19.991 Year
One-time2
  • All NewPlayer And Features$9.99
  • Classic LifeTime Pro$39.99

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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