Beat Time! vs Guitar Visualizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Beat Time!
This app allows musicians to practice and transcribe audio and video by changing tempo and pitch without affecting quality. It offers advanced features like note and chord detection, seamless looping, and annotation tools. Play content from various sources, including your device library and YouTube.
- Time stretch audio/video (1/4x to 2x)
- Pitch shift audio/video (up to 1 octave)
- Natural pitch shifting for voices
- Note and chord detection
- Seamless looping with optional pause
- Annotate tracks with markers
- Play YouTube videos
Read full descriptionHide 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
Guitar Visualizer
Visualize scales, chords, and modes across the entire guitar fretboard. Understand music theory by seeing how notes and chords connect in real-time. Ideal for guitarists looking to deepen their understanding beyond memorization.
- Visualize all scales and modes
- See every chord and voicing
- Understand the CAGED system
- Layer scales and chords
- Analyze unknown chords
- Target specific scale degrees
- Multiple display modes
Read full descriptionHide 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. Subscription starts with a 7-day free trial, then $0.99/month. Auto-renews monthly 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
Verdict
The clearest difference is price: Guitar Visualizer at Free against Beat Time!'s $6.99. Guitar Visualizer also leads on rating (4.6 vs 3.5) and review sentiment (100% vs 62%). Beat Time!'s advantage is in-app purchases (none vs 1) and ratings volume (73 vs 22). On 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
Guitar Visualizer is free to download; Beat Time! costs $6.99 up front. Guitar Visualizer sells 1 in-app purchase, starting at $0.99 per month. Beat Time! asks for nothing beyond the download.
Guitar Visualizer holds the better App Store score, 4.6 against 3.5. Both are backed by a comparable volume of ratings — 73 and 22 respectively. Written reviews point the same way: 62% of Beat Time!'s written reviews are positive against 100% of Guitar Visualizer's.
Beat Time! ships an update every 3 weeks, Guitar Visualizer every 6 weeks. The most recent releases landed on September 28, 2026 and September 16, 2026 respectively.
| Parameter | Beat Time! | Guitar Visualizer |
|---|---|---|
| Price | $6.99 | Free — better |
| Rating | 3.5 (73 ratings) | 4.6 (22 ratings) — better |
| Positive reviews | 62.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 73 — better | 22 |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid — better | Subscription |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 44 MB | 31 MB |
| Age rating | 17+ | 4+ |
| Developer | Guy Shaviv | Juan Negron |
Customer experience
Beat Time!
Guitar Visualizer
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 moreShow fewer
- 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 moreShow fewer
- 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
Beat Time!
No in-app purchases
Guitar Visualizer
- Guitar Visualizer Pro7 Days trial$0.991 Month









