Guitar Scales Power vs Guitar Tuner EM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Guitar Scales Power
Master guitar scales and modes with this comprehensive app. Features a built-in tuner, interactive scale visualizations, and practice loops to improve finger dexterity and improvisation skills. Supports various tunings and the CAGED system for fretboard mastery.
- Learn common guitar scales and modes
- Accurate chromatic tuner with multiple tunings
- Interactive scale position playback and loops
- CAGED system chord shape display
- Adjustable playback speed and count-in
- Note highlighting for learning
Read full descriptionHide full description
Guitar Scales Power will help guitar players at any level learn many of the most commonly used scales and modes. Stay in tune with the tuner and enhance your playing skills by mastering scale positions in any key. Practice playing with scale position loops to perfect the position and build muscle memory. Learning scales will boost your finger dexterity and ability to improvise. Start slowly and increase speed as you progress. Play scales by swiping across guitar strings; the direction of the swipe determines ascending or descending playback. Play scale position loops by tapping the play loop button. Tap on a note to play it. Scale positions correspond to the CAGED system, which consists of five patterns that cover the fretboard for each scale. The chord shape for each position is displayed to assist you in learning it in any key. The tuner offers a chromatic mode or the option to select from various tunings. The tuner and instruments use an adjustable reference frequency, set to 410 Hz - 470 Hz (default A = 440 Hz). FEATURES: • Easy-to-use scale reference with excellent sound quality. • Accurate chromatic tuner. • Display and playback of scale positions covering the fretboard. • Scale notes display letter, interval, and fingering. • Displays CAGED system chord shapes for scale positions. • Playback of scales - full position or one octave. • Adjustable scale playback speed (position and position loop). • Count-in option before scale playback. • Notes highlight as played to aid in learning. • Scale playback instruments: Guitar and Acoustic Guitar. • Adjustable reference frequency for tuner and playback. • Tap on a note to play it. • Guitar fretboard display (vertical or horizontal). • Right or left-handed guitar display. • Supports alternative tunings. • iPhone - zoom in/out to see the complete fretboard. • Universal app – use on iPhone, iPod touch, or iPad. • Everything included - no in-app purchases! INCLUDED SCALES: Pentatonic etc: Major Pentatonic, Minor Pentatonic, Blues and Major Blues Major Scale Modes: Ionian (Major), Dorian, Phrygian, Lydian, Mixolydian, Aeolian (Relative Minor) and Locrian Minor Scales: Harmonic Minor, Melodic Minor Ascending (Jazz Minor) and Relative Minor (Natural Minor or Aeolian Mode) Symmetrical Scales: Chromatic TUNINGS: Standard, Std. Half Step Down, Std. Full Step Down, Drop D and Open G
Guitar Tuner EM
This free app helps you tune your guitar perfectly with automatic string detection and various note naming schemes. It offers over 30 alternate tunings and provides chord fingerings for quick reference, making it ideal for both beginners and experienced players.
- Automatic string detection
- Multiple note naming schemes
- Adjustable tuning parameters
- 30+ alternate guitar tunings
- Chord fingerings and string tones
- Hear tuning sounds
Read full descriptionHide full description
Features of the app: • Various note naming schemes: English (CDEFGAB), German (CDEFGAH), Latin (DoReMiFa...). • Adjustable reference note frequency (A440), algorithm sensitivity, and tolerance (in cents). • Easy to use for both beginners and experts. • Tune each string of your guitar. • Automatic detection of tuned strings. • Hear the actual tuning sound by clicking on the note name. • Use one of the 30+ built-in alternate guitar tunings (Open, Dropped, Double Dropped, Minors, Fourths...) Click on the note name to hear the actual string sound. This way you can tune your guitar by ear, switch back to automatic mode and then check how good your ears are. This guitar tuner app has very simple user graphics and smooth controls which makes this app really easy to use. There is no training required to start using this guitar tuning app. You can switch between multiple tuning modes. You can tune your guitar perfectly for all sound notes. Whether you want to tune your own guitar or help your friends tune their guitars, this guitar tuning app becomes really useful as it fits in your smartphone and is really easy to use. And it is free to download and use. Most common chords with fingerings and string tones as quick reference. This Guitar Tuner app is a perfect tool for both beginners and professional guitarists. The app is very easy to use and helps to tune your guitar with the same string sounds as the sound in the app. By making use of this tuner app, you can get awesome sound quality and an effective way to adjust strings according to your acoustic guitar.
Screenshots
Verdict
The clearest difference is review sentiment: Guitar Scales Power at 91% against Guitar Tuner EM's 40%. Guitar Scales Power also leads on rating (4.6 vs 3.5) and in-app purchases (none vs 1). Guitar Tuner EM's advantage is iOS requirement (12.0 vs 14.5). On price, update cadence, ads and monetization model 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
Both are free to download. Guitar Tuner EM sells 1 one-off in-app purchase. Guitar Scales Power asks for nothing beyond the download.
Guitar Scales Power holds the better App Store score, 4.6 against 3.5. That said, the two scores are not equally well evidenced: Guitar Scales Power has 77 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 91% of Guitar Scales Power's written reviews are positive against 40% of Guitar Tuner EM's.
Guitar Scales Power ships an update every 4 months, Guitar Tuner EM every 3 months. Both last shipped on September 8, 2026.
| Parameter | Guitar Scales Power | Guitar Tuner EM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (77 ratings) — better | 3.5 (8 ratings) |
| Positive reviews | 91.0% of reviews — better | 40.0% of reviews |
| Number of ratings | 77 — better | 8 |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.5 | 12.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Gunter | myrApps |
Customer experience
Guitar Scales Power
Guitar Tuner EM
Bugs and requests
Guitar Scales Power
Reported bugs
9 issues- App crashes frequently
- App stuck in landscape mode
- Cannot move view up and down fretboard
- Ad bar covers fretboard
- Fretboard in wrong direction (vertical)
Show 4 moreShow fewer
- App not recognizing songs from Apple Music
- Cannot hear sounds when touching frets
- Login screen freezes
- Incompatible with older devices
Requested features
12 requests- Add bass and other stringed instruments
- Include a print function
- Add more drop tunings
- Add a metronome with play-along function
- Add Arpeggios and natural minor scale
Show 7 moreShow fewer
- Add modal scales on harmonic and melodic minor
- Option to toggle extra info
- Color code 3rd and 5th notes
- Add practice sequences or custom entry
- Allow transposing to new tuning
- Flip fretboard horizontally
- Dark mode option
Guitar Tuner EM
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Guitar Scales Power
No in-app purchases
Guitar Tuner EM
- Tuner Premium Upgrade$3.99
Questions
Is Guitar Scales Power free?
Is Guitar Tuner EM free?
Which has better reviews, Guitar Scales Power or Guitar Tuner EM?
Do Guitar Scales Power or Guitar Tuner EM have ads?
Which is updated more often, Guitar Scales Power or Guitar Tuner EM?
Other comparisons















