AudioStretch vs Precise Guitar Tuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Precise Guitar Tuner
This application helps you tune your guitar with high accuracy using your mobile device. It supports numerous tuning styles and provides visual feedback on pitch accuracy, along with standard tuning notes for auditory guidance.
- Supports 44 tuning styles
- Automatic pitch measurement
- Visual pitch accuracy indication
- Auditory standard string sounds
- High pitch indication accuracy (0.2 cents)
- Adjustable A4 standard note (430-450Hz)
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Guitar Tuner, so you can easily use the mobile phone to do tuning for your guitar, and supports up to 44 kinds of tuning style. Easy to use, precise instructions, it is your powerful guitar partner. When you pluck at the string of your musical instrument, it can automatically measure the pitch of the string, and through a variety of methods to indicate the accuracy of the pitch; addition, it can issue the standard sound of the strings, for you to tune through listening. Pitch indication accuracy 0.2 cents, A4 standard note adjustment range of 430 to 450Hz, accuracy 0.1Hz.
Screenshots
Verdict
The clearest difference is review sentiment: AudioStretch at 89% against Precise Guitar Tuner's 0%. AudioStretch also leads on update cadence (every 3 months vs every 21 months) and chart position (#39 vs unranked). Precise Guitar Tuner's advantage is price ($0.99 vs $9.99). On ads, in-app purchases, monetization model 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
AudioStretch costs $9.99 and Precise Guitar Tuner $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
AudioStretch ships an update every 3 months, Precise Guitar Tuner every 21 months. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.
| Parameter | AudioStretch | Precise Guitar Tuner |
|---|---|---|
| Price | $9.99 | $0.99 — better |
| Rating | 4.4 (230 ratings) — better | — |
| Positive reviews | 88.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 230 — better | — |
| Update frequency | Every 3 months — better | Every 21 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #39 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 18 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Cognosonic Pte Ltd | 怀卫 张 |
Customer experience
AudioStretch
Precise Guitar Tuner
In-app purchases
AudioStretch
No in-app purchases
Precise Guitar Tuner
No in-app purchases
Questions
Is AudioStretch free?
Is Precise Guitar Tuner free?
Do AudioStretch or Precise Guitar Tuner have ads?
Which is updated more often, AudioStretch or Precise Guitar Tuner?
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