Comparison

Beat Time! vs Guitar Visualizer

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

Head to head
About

Beat Time!

This app allows musicians to adjust the tempo and pitch of audio and video files. It features note and chord detection, seamless looping, and annotation tools for practice and transcription. Play content from your device, cloud storage, or YouTube.

Highlights
  • Time stretch audio/video without pitch change
  • Pitch shift audio/video up to an octave
  • Natural pitch shifting for voices
  • High-quality time stretching/pitch shifting (DIRAC)
  • Note and chord detection
  • Seamless looping and annotation
  • Play and import from various sources including YouTube
Features
Read full description

Beat Time plays audio & video and can change the tempo (time stretch) and/or pitch and does note & chord detection. It is aimed as a practice / study tool for musicians and as a helper tool for transcribing audio & video. Play audio & video from your iPod library, dropbox, iTunes file sharing or open from other apps. Reviews: "Beat Time! is a gem of an app that's just waiting for musicians around the world to discover it. It's almost to good to be true! You've got to check it out!!" Jordan Rudess Dream Theater/Wizdom Music. "I've used plenty of slow downer type apps, and this is among the best! It does what it says and does it well" Evp73 "It's amazing how you can hear virtually NO artefacts in the audio! Amazing!" jenius92000 Main app features: • Time stretch video and audio from 1/4x to 2x without affecting pitch. • Pitch shift audio and video up to an octave up or down. • Natural pitch shifting, pitch shift a male voice keeping it sounding male, pitch shift a female voice keep it sounding female. • High quality, state of the art, time stretching / pitch shifting using DIRAC technology. • Pitch analysis for note & chord detection. • Annotate the track with multiple markers. • Seamless looping of segments in the track. • Optionally pause between loops. • Easy file transfer: Open audio/video files from any app that supports iOS "Open In..." menu. • Play YouTube videos. • Open tracks from your iPod audio, video library or video camera roll • Export time stretched / pitch shifted audio or movies. • Universal application (iPhone/iPod/iPad). • Supports video and audio formats that are playable using iOS music/video player, including: mp4, m4v, m4a, mp3, WAV, mov, (AVI provided it's mpeg 4 encoded) See Jordan Rudess playing with Beat Time! at http://bit.ly/GO67NQ

About

Guitar Visualizer

This app visualizes guitar scales, chords, and modes across the entire fretboard. It helps musicians understand music theory by showing note relationships and chord voicings. Easily identify chords, target specific scale degrees, and layer scales with chords for deeper insight.

Highlights
  • Visualize all scales and modes
  • See every chord type and voicing
  • Understand the CAGED system
  • Layer scales and chords simultaneously
  • Analyze any tapped notes as a chord
  • Target specific scale degrees for practice
  • Switch between display modes (notes, intervals)
Read full description

See the fretboard like never before. Guitar Visualizer is the intelligent fretboard tool that shows you every scale, chord, and mode in every position, in every key. No more googling chord diagrams. No more memorizing shapes one at a time. Just open the app and see it all. SUBSCRIPTION: Access to all features requires a paid subscription to Guitar Visualizer Pro, yearly or monthly ($19.99/year or $2.99/month in the US; prices vary by country and are shown in the app before you subscribe). New subscribers start with a 7-day free trial. Auto-renews unless cancelled at least 24 hours before the renewal date. Manage or cancel anytime in iPhone Settings → Apple ID → Subscriptions. Key Features: SCALES & MODES: Every scale across the entire neck. Pentatonic, Major, Minor, Dorian, Mixolydian, and more. Switch between clean view, note names, and interval numbers with one tap. CHORDS & VOICINGS: Every chord type with real, playable voicings sourced from professional references. Major, Minor, 7ths, 9ths, diminished, augmented, sus chords, and more — all with multiple positions across the neck. THE CAGED SYSTEM: See how chord shapes connect across the fretboard. The CAGED system, fully visualized — switch between C, A, G, E, and D positions instantly. TWO LAYERS: See a scale and a chord at the same time. Layer them together to understand which notes overlap — the fastest way to connect theory to playing. CHORD ANALYZER: Tap any notes on the fretboard and the analyzer identifies what chord you're playing. It even recognizes specific voicing shapes. TARGET NOTES: Highlight specific scale degrees to focus your practice. See which notes are the 3rd, the 5th, the 7th — across every position. DISPLAY MODES: Switch between clean fretboard, note names, or interval numbers. See the theory your way. Built for guitarists who want to understand what they're playing — not just memorize it. Terms of Service: https://www.notion.so/Terms-of-Service-Guitar-Visualizer-341d65a2466a80aaadf2eea2a8e2cc66 Customer Support: We really care about your experience! If you have any questions or suggestions, please reach out to hello@guitarvisualizerapp.com and we will reach out to you as soon as possible.

Screenshots

Beat Time!2 screens
Guitar Visualizer4 screens

Verdict

The call

The clearest difference is price: Guitar Visualizer at Free against Beat Time!'s $6.99. Guitar Visualizer also leads on rating (4.7 vs 3.5) and review sentiment (100% vs 62%). Beat Time!'s advantage is in-app purchases (none vs 3). On ratings volume, update cadence, 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

Guitar Visualizer is free to download; Beat Time! costs $6.99 up front. Guitar Visualizer sells 3 in-app purchases, starting at $0.99 per month. Beat Time! asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Guitar Visualizer holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 73 and 44 respectively. Written reviews point the same way: 62% of Beat Time!'s written reviews are positive against 100% of Guitar Visualizer's.

UpkeepUpdate frequency

Beat Time! ships an update monthly, Guitar Visualizer every 3 weeks. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

Scorecard6 real differences · 4 level
Beat Time! versus Guitar Visualizer: the parameters behind the verdict, then further details
ParameterBeat Time!Guitar Visualizer
Price$6.99Free — better
Rating3.5 (73 ratings)4.7 (44 ratings) — better
Positive reviews62.3% of reviews100.0% of reviews — better
Number of ratings73 — better44
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid — betterSubscription
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size45 MB36 MB
Age rating17+4+
DeveloperGuy ShavivJuan Negron

Customer experience

Beat Time!

All ratings73 ratings
Positive58.9%
Neutral8.2%
Negative32.9%
Written reviews146 reviews
Positive62.3%
Neutral6.8%
Negative30.8%

Guitar Visualizer

All ratings44 ratings
Positive95.5%
Neutral0.0%
Negative4.5%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Beat Time!

Reported bugs

10 issues
  • YouTube video import fails with 'error reading file'
  • App crashes when exporting audio files
  • Black screen appears when loading YouTube audio
  • Download button stops working without app restart
  • Infinite buffering with 'Preparing for Playback' message
Show 5 more
  • File open button stalls and doesn't respond
  • Audio doesn't reload on app reopening
  • Incompatibility with iOS updates (iOS 8, 10, 14)
  • Video format compatibility issues (.mov files)
  • Keyboard doesn't function properly

Requested features

10 requests
  • Reverse audio capability
  • AU3 plugin option
  • Dark mode interface
  • Better file organization and alphabetical sorting
  • Step forward/backward navigation buttons
Show 5 more
  • Save loop markers with files
  • Dropbox export integration
  • Improved bookmark management system
  • Percentage-based pitch control mode
  • Better keyboard functionality

Guitar Visualizer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Beat Time!

No in-app purchases

3 purchases

Guitar Visualizer

Subscriptions3
  • Guitar Visualizer Pro7 Days trial$0.991 Month
  • Guitar Visualizer Pro7 Days trial$2.991 Month
  • Guitar Visualizer Pro7 Days trial$19.991 Year

Questions

Is Beat Time! free?
Beat Time! costs $6.99, with no in-app purchases.
Is Guitar Visualizer free?
Guitar Visualizer is free to download, with in-app purchases available.
Which has better reviews, Beat Time! or Guitar Visualizer?
Guitar Visualizer is rated higher. Beat Time! averages 3.5 out of 5 from 73 ratings, while Guitar Visualizer averages 4.7 from 44 ratings.
Do Beat Time! or Guitar Visualizer have ads?
Neither Beat Time! nor Guitar Visualizer shows ads.
Which is updated more often, Beat Time! or Guitar Visualizer?
Beat Time! ships an update monthly, and Guitar Visualizer every 3 weeks. Most recently, Beat Time! was updated on November 6, 2026 and Guitar Visualizer on November 9, 2026.

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