Comparison

Music Speed Changer Pro 2 vs Loop Slower

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

Head to head
About

Music Speed Changer Pro 2

Easily adjust the playback speed and pitch of audio files in real-time. Supports video, subtitles, images, and text for a comprehensive music learning and practice experience.

Highlights
  • Real-time pitch and tempo adjustment
  • Loop and region selection
  • Video playback with zoom
  • Subtitle support for karaoke
  • Import and export various audio formats
  • Playlist creation
  • Audio recording
Features
Read full description

The Music Speed Changer** app allows you to easily change the playback speed and the pitch (key) of audio in real-time and independently from each other. The app also supports video (with zooming), subtitles (e.g. for karaoke), images (e.g. for scores), and text. Help: http://www.tequnique.com/apshelp Demo video**: https://www.youtube.com/watch?v=4EKstKlM6v0 ++ If you encounter stops during playback then increase the buffer size in the app's settings. ++ ## Features ## - Change pitch and tempo (speed, time-stretch) independently and in realtime using time and frequency domain algorithms. - Create range and position markers. - Loop and select regions. - Export/share and import songs with annotations (for instance for for sharing between music teachers and students). - Playlists. - Video view* with zoom support (for instance to get an exact view on a guitar player's hand). - Text view with auto scrolling and monospace font support (e.g. useful for tabs). - Subtitles view to show subtitles (for instance for karaoke). - Image view with zoom support (for instance for displaying scores in image format). - Volume amplification, and simple voice reduction. - Channel selection (left/right). - Import various formats including mp3, wav, m4a, ogg, aac, mp4 video,... - Export modified audio to wav, mp3, m4a, and flac. - Batch conversion of files. - Record audio directly in the app. - Frequency conversion (for instance to 432Hz). - Import audio from: media gallery, iOS "Open in" (supported by many apps, including DropBox), iTunes File Sharing (USB), and Wifi upload. * An iPhone 6 or better is recommend for the best video experience. The recommended video resolution is 720p. ** The old app name was "Audio Pitch and Speed Player" Use cases: music instrument training by adjusting tempo and pitch to anytune, transcription, karaoke, ...

About

Loop Slower

Features
Read full description

A simple tool that allows you to loop a section of a song and adjust the playback speed. Perfect for anyone who’s practicing an instrument and want to jam along at desired speed, or when transcribing a song. The app offers: - Changing playback speed - Looping particular section of a song - Saving loops and speed per song automatically - Searching and playing songs from your library (on device) - Searching and playing songs on Apple Music* - Recently played songs for quick access * playing full songs on Apple Music requires an active Apple Music subscription.

Screenshots

Music Speed Changer Pro 24 screens
Loop Slower4 screens

Verdict

The call

The clearest difference is update cadence: Music Speed Changer Pro 2 at every 5 weeks against Loop Slower's every 12 months. Music Speed Changer Pro 2 also leads on iOS requirement (10.0 vs 17.1). Loop Slower's advantage is price ($0.99 vs $6.99). On ads, in-app purchases and device support 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

Music Speed Changer Pro 2 costs $6.99 and Loop Slower $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Music Speed Changer Pro 2 ships an update every 5 weeks, Loop Slower every 12 months. The most recent releases landed on October 20, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 7 level
Music Speed Changer Pro 2 versus Loop Slower: the parameters behind the verdict, then further details
ParameterMusic Speed Changer Pro 2Loop Slower
Price$6.99$0.99 — better
Rating2.8 (8 ratings) — better—
Positive reviews31.3% of reviews—
Number of ratings8 — better—
Update frequencyEvery 5 weeks — betterEvery 12 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS10.0 — better17.1
Further details — not scored
Size64 MB5 MB
Age rating4+9+
DeveloperHarald MeyerAlgirdas Gridziuska

In-app purchases

None

Music Speed Changer Pro 2

No in-app purchases

None

Loop Slower

No in-app purchases

Questions

Is Music Speed Changer Pro 2 free?
Music Speed Changer Pro 2 costs $6.99, with no in-app purchases.
Is Loop Slower free?
Loop Slower costs $0.99, with no in-app purchases.
Do Music Speed Changer Pro 2 or Loop Slower have ads?
Neither Music Speed Changer Pro 2 nor Loop Slower shows ads.
Which is updated more often, Music Speed Changer Pro 2 or Loop Slower?
Music Speed Changer Pro 2 ships an update every 5 weeks, and Loop Slower every 12 months. Most recently, Music Speed Changer Pro 2 was updated on October 20, 2026 and Loop Slower on October 4, 2026.

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