Comparison

Guitarist's Reference vs REEV

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

Head to head
About

Guitarist's Reference

This comprehensive suite offers a vast collection of guitar chords, scales, and arpeggios with clear diagrams and detailed theory. It includes tools for finding chord-scale relationships, exploring alternate tunings, and even a virtual guitar for practice.

Highlights
  • 3000+ guitar chords with diagrams
  • 42 scale types including modes and pentatonics
  • Arpeggio finder
  • 36 alternate tunings
  • Chord-scale relationship guide
  • Virtual guitar
  • Guitar tuner
Features
Read full description

Introducing the Ultimate Guitarist's Companion - Your All-in-One Solution for Mastering the Fretboard: - Comprehensive Package: Elevate your guitar journey with an all-encompassing suite of tools and knowledge. Explore Guitar Chords, Chord Progressions, Scales, Triads, Arpeggios, Fretboard Note Mastery, Reverse Chord & Scale Finder, Chord Quizzes, Alternate Tunings, Guitar Tuner, Virtual Guitar and the intricate web of Chord-Scale Relationships. - Guitar Chord Encyclopedia: Unleash the potential of over 3000 commonly used guitar chords. Dive into chord theory and find clarity through easy-reference diagrams. Test your prowess with the Chord Quiz feature – a true test of your skills. - Mastering Guitar Scales: Demystify the realm of guitar scales fearlessly. From the basics to the sublime, our comprehensive scale reference transforms your fretboard knowledge. With 42 scale types spanning major, minor, pentatonic, modes, and more, you'll command all keys with confidence. - Unveiling Chord-Scale Relationships: Say goodbye to chord change anxiety. Our guide deciphers the intricate dance between chords and scales. Elevate your playing by understanding which scales harmonize with each chord, empowering you to navigate complex progressions effortlessly. - Modern Guitarist's Arpeggios: Seamlessly locate any arpeggio, regardless of your reading ability. Presented in intuitive diagram form, this feature benefits both beginners seeking structured guidance and professionals requiring arpeggio references for any musical scenario. - Alternate Tunings Explored: Dive deep into 36 of the most popular alternate tunings, expanding your creative horizons. Whether you're in Standard or Alternate Tuning, access Scales, Arpeggios, and Fretboard Notes effortlessly. Guitar Tuner: Our improved tuning feature now allows you to tune your guitar by ear across a wide range of preset alternate tunings. - Reverse Chord/Scale Finder Tool: Transform your musical ideas into named chords/scales effortlessly. Struggling to name a chord/scale you've crafted? This ingenious tool deciphers your fretboard inputs, revealing the chord/scale's identity. - Virtual Guitar: Immerse yourself in the guitar-playing experience right from your device. Our virtual guitar feature enables you to strum, pluck, and navigate the fretboard with a variety of alternate tunings. Whether you're a seasoned guitarist or a beginner, this feature provides a platform for practice, chord and scale experimentation, and the joy of guitar sounds without requiring a physical instrument. Take hold of virtual strings and let your musical creativity flow. Experience an unparalleled guitar journey, where knowledge meets practice in perfect harmony. Unleash your true potential with our All-in-One Guitarist's Package.

About

REEV

This app allows you to reverse your voice and any sound instantly. Experiment with pitch and speed to create unique audio effects, perfect for challenges and social media content.

Highlights
  • Reverse voice recordings
  • Reverse songs from library
  • Voice changer with pitch control
  • Speed up or slow down sound
  • Create and share audio clips
Features
Read full description

Can you sing a song backwards? Reverse your voice. Sing songs backwards. Flip any sound instantly. REEV lets you create backwards audio effects with full control over pitch and speed. • Sing a song in reverse. Challenge your friends! • Reverse voice recordings • Reverse songs from your library • Voice changer with pitch control • Speed up or slow down sound • Create a clip and share Perfect for: • Reverse voice challenges • Backwards song experiments • Hidden message discovery • Voice changer effects • Viral social media videos ### No Subscription. No Recurring Fees. Unlock premium once and keep it forever. No weekly subscription. No monthly subscription. No auto-renew traps. Terms of use: https://www.notion.so/REEV-Terms-of-Use-30f27a63562c80bcb40bea4bcb8531ef Privacy policy: https://www.notion.so/REEV-Privacy-Policy-30f27a63562c80958a8cd11a9904deca

Screenshots

Guitarist's Reference4 screens
REEV4 screens

Verdict

The call

The clearest difference is price: REEV at Free against Guitarist's Reference's $19.99. Guitarist's Reference's advantage is rating (4.8 vs 2.9) and in-app purchases (none vs 1). On review sentiment, ratings volume, update cadence and ads 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

REEV is free to download; Guitarist's Reference costs $19.99 up front. REEV sells 1 one-off in-app purchase. Guitarist's Reference asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Guitarist's Reference holds the better App Store score, 4.8 against 2.9. Both are backed by a comparable volume of ratings — 16 and 31 respectively. Written reviews point the same way: 64% of Guitarist's Reference's written reviews are positive against 58% of REEV's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 4 level
Guitarist's Reference versus REEV: the parameters behind the verdict, then further details
ParameterGuitarist's ReferenceREEV
Price$19.99Free — better
Rating4.8 (16 ratings) — better2.9 (31 ratings)
Positive reviews63.7% of reviews — better57.8% of reviews
Number of ratings1631 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS12.0 — better18.2
Further details — not scored
Size79 MB11 MB
Age rating4+4+
DeveloperMy App Catalog LLCJVico

Customer experience

Guitarist's Reference

All ratings16 ratings
Positive93.8%
Neutral0.0%
Negative6.3%
Written reviews160 reviews
Positive63.7%
Neutral15.6%
Negative20.6%

REEV

All ratings31 ratings
Positive48.4%
Neutral0.0%
Negative51.6%
Written reviews64 reviews
Positive57.8%
Neutral3.1%
Negative39.1%

User reviews

Guitarist's Reference

From 16 App Store ratings

What we love

  • 🚀 Comprehensive guitar reference
  • 👍 Intuitive and easy to use
  • 💡 Reverse chord finder
  • 🚀 Detailed chord, scale, and arpeggio information
  • 👍 Great for beginners and advanced players

Room to improve

  • 🐛 Occasional crashes and freezes
  • 🔧 Missing some common chord and scale voicings
  • 🔧 Chord playback implementation could be improved
  • 🔧 Outdated or lacking support for newer iOS versions
  • 🔧 Interface could use a more modern design

REEV

From 31 App Store ratings

What we love

  • 👍 Does what it says
  • 👍 Nice app
  • 👍 Fun app
  • 👍 Great fun
  • 👍 Works fine

Room to improve

  • 😞 Waste of money
  • 😞 Doesn't work
  • 😞 Crashes frequently
  • 😞 Useless
  • 😞 Terrible

Bugs and requests

Guitarist's Reference

Reported bugs

3 issues
  • Chord finder not detecting all chord inversions
  • Issues with alternate tuning functionality
  • Compatibility problems with newer iOS versions

Requested features

5 requests
  • Ability to overlay multiple scales
  • Customizable chord/scale display options
  • Integrated tuner functionality
  • Support for more alternate tunings
  • Improved chord/scale audio playback

REEV

Reported bugs

10 issues
  • Crashes every time a song is selected
  • Crashes after choosing a song
  • Crashes when trying to start a song
  • Crashes when trying to change song
  • App crashes for no reason
Show 5 more
  • Slider is buggy and gets stuck
  • No iOS 7 support, crashes
  • Dock issues, music cuts off app
  • App doesn't work for a day or two
  • DRM protected songs cannot be reversed

Requested features

10 requests
  • Allow reversing whole albums
  • Ability to save recordings
  • Adjust playback speed (without extra cost)
  • Longer recording times
  • Browse for next song without pausing
Show 5 more
  • Support for podcasts
  • Play music in normal way
  • Progress slider for rewind
  • Indicate unsupported formats
  • Add rewind and fast forward buttons

In-app purchases

None

Guitarist's Reference

No in-app purchases

1 purchases

REEV

One-time1
  • Speed Control Pack$0.99

Questions

Is Guitarist's Reference free?
Guitarist's Reference costs $19.99, with no in-app purchases.
Is REEV free?
REEV is free to download, with in-app purchases available.
Which has better reviews, Guitarist's Reference or REEV?
Guitarist's Reference is rated higher. Guitarist's Reference averages 4.8 out of 5 from 16 ratings, while REEV averages 2.9 from 31 ratings.
Do Guitarist's Reference or REEV have ads?
Neither Guitarist's Reference nor REEV shows ads.
Which is updated more often, Guitarist's Reference or REEV?
Guitarist's Reference ships an update every 3 weeks, and REEV every 3 weeks. Most recently, Guitarist's Reference was updated on September 21, 2026 and REEV on September 23, 2026.

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