Comparison

AudioStretch vs Slow Down Music | Transcribe+

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

Head to head
About

AudioStretch

This tool allows musicians to slow down, loop, and transpose music from audio or video files. It's designed to help users learn songs by ear, experiment with sounds, or simply explore their music library in new ways.

Highlights
  • Import audio or video files
  • Capture video with phone camera
  • Change speed without changing pitch
  • Transpose any music
  • Loop difficult sections
  • LiveScrub waveform listening
  • Keyboard/spectrum transcription aid
Features
Currently charting
Read full description

Before you buy AudioStretch, consider first downloading AudioStretch Lite for FREE. Apart from some feature limitations, it's the same as the full (paid) version. The Lite version is a great way to see whether AudioStretch works well for you. As a musician one of the most helpful tools you can have is the ability to slow-down, loop or auto-transpose the notes for a piece of music you are trying to learn. AudioStretch is the world’s first audio and video transcription tool. Now you can manipulate the pitch, speed and transcribe your tunes from both audio and video files; or by using your phone’s camera you can capture video directly into AudioStretch and transcribe it! FEATURES INCLUDE: • Import audio or video files • Capture video with your phone camera for transcription • Change the speed of files without changing the pitch • Listen to the individual notes as you drag the waveform • Play audio and video at zero speed • Transpose any music • Loop difficult to learn sections With AudioStretch you get all of this in an incredibly responsive and easy-to-use app. Ideal for transcription, learning songs by ear, crazy sonic experimentation, or just listening to your music library in a new way. DETAILED FEATURES: • Load songs from your Music Library. (Note: songs from Apple Music have DRM and therefore cannot be loaded). • Document Picker import/export option supports iCloud, OneDrive, and more • Open Dropbox files and email attachments via "Open In" • LiveScrub™ : listen as you drag/hold the waveform • Speed range -10x to 10x, including zero speed! • Instant freeze to zero speed by double-tapping on speed display • Pitch shift range +/- 36 semitones • Keyboard/spectrum feature for transcription • Super-fine speed/pitch adjustment via drag left-right on speed/pitch display • Flexible looping feature • No ads or in-app purchases If you run into any problems with AudioStretch or AudioStretch Lite, please contact support@audiostretch.com

About

Slow Down Music | Transcribe+

This app allows musicians to slow down music, change pitch, and isolate instruments for easier transcription and practice. It features AI-powered stem separation, interactive waveforms, and customizable looping for focused learning.

Highlights
  • Tempo and pitch adjustment
  • AI instrument isolation
  • Interactive waveform scrubbing
  • Customizable looping
  • Stem export and remixing
  • Video loading support
Features
Read full description

Transcribe+ combines high quality tempo and pitch-shifting with on-device AI that isolates vocals, drums, bass, and other instruments to allow you to isolate and hear EXACTLY what you are transcribing by ear. Adjust speed and pitch effortlessly with simple swipe gestures. Tap the waveform to pause the track, then drag to listen at your chosen pace, even one note at a time! Mark song structures or add personal notes using customizable flags on the waveform. Practice specific sections repeatedly by defining looped areas. Key Features: • Speed adjustable from 0.25x to 2x without affecting pitch. • Split tracks into 2 or 4 stems (vocals, bass, drums, instrumentals). • Easy pitch modification by +/-12 semitones. • Fine-tune pitch adjustment slider with 0.01 semitone increments. • Interactive waveform interface for real-time scrubbing and listening note by note. • Consolidate and practice loops in a single location with Loop View. • Smart Loops can automatically increase speed or shift pitch with each loop. • Load videos for enhanced visual understanding. • Intuitive EQ toolbar for refined frequency adjustment and additional isolation possibilities. • Mark and annotate waveforms for efficient review. • BPM is automatically detected on most tracks. • Easily export loops or entire tracks. • Split-screen multitasking for efficient iPad use. • 11 attractive themes with elegant icons. • Keyboard shortcuts compatible with foot pedals for easier control during practice. • Integration with popular cloud storage services. AI Vocal Removal & Stems Separation: Remove or isolate vocals, bass, drums, or instrumentals on ANY track (without DRM). Use this feature to focus on the instruments you're interested in, or create a play-along track. Export any combinations of stems and remix them as you like! Loop View with "Smart Loops": View all your loops in the loop view. Simply tap the loop icon to start or stop a loop. You can set parameters for a metronome count-in before each loop or auto-increase speed or shift pitch with each repetition. EQ ToolBar, Channel Mixer, and Fine Tuning Slider: Further isolate or enhance the part you're listening to with the EQ toolbar or the Stereo Channel mixer. You can also finely adjust the overall pitch of the track in increments of 1 cent. Apple Music Support: Transcribe+ integrates with Apple Music, letting you adjust the tempo and add flags and loops to any song in your Apple Music library. Please note, due to DRM music streaming limitations, some features are unavailable on Apple Music tracks. iCloud Sync: All of your flags, loops, and settings for each track you load are automatically saved to iCloud. These settings also sync automatically across all your devices. Terms of Use: https://dynamicappdesign.com/tos.html

Screenshots

AudioStretch4 screens
Slow Down Music | Transcribe+4 screens

Verdict

The call

The clearest difference is price: Slow Down Music | Transcribe+ at Free against AudioStretch's $9.99. Slow Down Music | Transcribe+ also leads on update cadence (every 11 days vs every 3 months) and ratings volume (5.3K vs 223). AudioStretch's advantage is in-app purchases (none vs 4) and review sentiment (89% vs 63%). On rating, ads 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

Slow Down Music | Transcribe+ is free to download; AudioStretch costs $9.99 up front. Slow Down Music | Transcribe+ sells 4 in-app purchases, starting at $9.99 per month. AudioStretch asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for AudioStretch against 4.5 for Slow Down Music | Transcribe+. That said, the two scores are not equally well evidenced: Slow Down Music | Transcribe+ has 5.3K ratings behind it against 223, so its average is the more settled of the two. Written reviews are what separate them: 89% of AudioStretch's written reviews are positive against 63% of Slow Down Music | Transcribe+'s.

UpkeepUpdate frequency

AudioStretch ships an update every 3 months, Slow Down Music | Transcribe+ every 11 days. Both last shipped on September 24, 2026.

Scorecard8 real differences · 3 level
AudioStretch versus Slow Down Music | Transcribe+: the parameters behind the verdict, then further details
ParameterAudioStretchSlow Down Music | Transcribe+
Price$9.99Free — better
Rating4.4 (223 ratings)4.5 (5.3K ratings) — better
Positive reviews88.7% of reviews — better63.5% of reviews
Number of ratings2235.3K — better
Update frequencyEvery 3 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#59 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.6
Further details — not scored
Size18 MB255 MB
Age rating4+4+
DeveloperCognosonic Pte LtdDynamic App Design LLC

Customer experience

AudioStretch

All ratings223 ratings
Positive83.9%
Neutral6.3%
Negative9.9%
Written reviews406 reviews
Positive88.7%
Neutral5.2%
Negative6.2%

Slow Down Music | Transcribe+

All ratings5,283 ratings
Positive88.5%
Neutral3.1%
Negative8.3%
Written reviews504 reviews
Positive63.5%
Neutral9.1%
Negative27.4%

Bugs and requests

AudioStretch

Not enough reviews yet to summarise bugs or requests.

Slow Down Music | Transcribe+

Reported bugs

4 issues
  • Playback issues with DRM-protected tracks
  • Crashes when trying to export loops
  • Inconsistent behavior when scrolling and scrubbing
  • Inability to delete individual songs from recent list

Requested features

5 requests
  • Ability to save and manage custom loops and flags
  • Metronome or beat detection feature
  • Deeper integration with streaming services like Spotify
  • More precise control over pitch and speed adjustments
  • Improved audio isolation and separation of instruments

In-app purchases

None

AudioStretch

No in-app purchases

4 purchases

Slow Down Music | Transcribe+

Subscriptions2
  • Transcribe+ Premium Monthly$9.991 Month
  • Transcribe+ Premium Yearly7 Days trial$39.991 Year
One-time2
  • Unlock Everything$79.99
  • Unlock Everything$99.99

Questions

Is AudioStretch free?
AudioStretch costs $9.99, with no in-app purchases.
Is Slow Down Music | Transcribe+ free?
Slow Down Music | Transcribe+ is free to download, with in-app purchases available.
Which has better reviews, AudioStretch or Slow Down Music | Transcribe+?
Slow Down Music | Transcribe+ is rated higher. AudioStretch averages 4.4 out of 5 from 223 ratings, while Slow Down Music | Transcribe+ averages 4.5 from 5.3K ratings.
Do AudioStretch or Slow Down Music | Transcribe+ have ads?
Neither AudioStretch nor Slow Down Music | Transcribe+ shows ads.
Which is updated more often, AudioStretch or Slow Down Music | Transcribe+?
AudioStretch ships an update every 3 months, and Slow Down Music | Transcribe+ every 11 days. Most recently, AudioStretch was updated on September 24, 2026 and Slow Down Music | Transcribe+ on September 24, 2026.

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