Comparison

Guitar Note Recognizer vs SL Bass

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

Head to head
About

Guitar Note Recognizer

This tool helps identify guitar fretboard notes using your device's microphone. It offers high-quality sounds and supports various tuning systems, assisting in music learning and instrument tuning.

Highlights
  • Fretboard note identification
  • Real-time audio analysis
  • Multiple tuning systems
  • Pitch detection and tuning fork
  • Works in noisy environments
  • Automatic note detection
Features
Read full description

Guitar Note Recognizer is the simplest and the best tool for the fretboard note identification of the guitar. It has the high-quality sounds of the tuned acoustic guitar. Standard, drop D, drop A, open C, half step down, and many more. The application captures audio signal using the microphone and performs Fast Fourier Transform in order to analyser the signal and determine its frequency, which in turn determines the note being played. Guitar Note Recognizer that Assists Music Learning by Detecting and Processing Musical Characteristics from Microphone in Real-Time. Guitar Note Recognizer to help you quickly and easily tune your musical instrument. As a pitch detector the tuner app is capable of working in noisy environment. This tuning app also works as a pitch pipe and can sound a reference note to tune your instrument. Pitched Tuner displays a traditional tuner needle and dial. Guitar Note Recognizer designed in collaboration with The Great And professional singing teacher. User can choose from different strings naming systems such as - Standard Tuning (E-A-D-G-B-E)", - Drop D (D-A-D-G-B-E) - Open D Tuning (D-A-D-F#-A-D) - Open C Tuning (C-G-C-G-C-E) - Open A Tuning (E-A-C#-E-A-E) - Open B Tuning (B-F#-B-F#-B-D#) - Open E Tuning (E-B-E-G#-B-E) - Open F Tuning (F-A-C-F-C-F) - Open G Tuning (D-G-D-G-B-D) - Half step (D#-G#-C#-F#-A#-D#) - One step down (D-G-C-F-A-D) - F-A-D-G-B-E - D-A-D-G-A-D - D-A-D-D-A-D - C#-G#-C#-F#-A#-D# Easy to use and innovative must have features are all included. - The most acoustic, electric or bass guitar tuning app - Super fast and simple user interface! - Automatic note detection - Analog like needle - Exact frequency display. - Wide Detection Range - Clean bright and simple analog like UI - High precision tuner - Tuning fork, pitched pipe - An Alternative tunings app for other musical instrument - Works in noisy surroundings - Input microphone volume control to control microphone gain. - No advertisements

About

SL Bass

Features
Read full description

SL Bass is a bass synth and 808 instrument for iPhone and iPad. Explore 146 factory presets and 102 bundled sample variants, then shape each sound with editable pitch and amplitude envelopes, mono and legato modes, glide, saturation and a playable keyboard. Use SL Bass as a standalone instrument or load it as an AUv3 in a compatible host such as GarageBand, Logic Pro for iPad, AUM or Cubasis. The interface adapts to compact iPhone and iPad windows while preserving direct touch control. Features: - 146 factory presets - 102 sample variants - Editable pitch and amplitude envelopes - Mono, legato and glide controls - Saturation and output control - Standalone app and AUv3 instrument - Local processing with no account or subscription SL Bass is an instrument and responds to MIDI notes. It does not process incoming audio as an effect. Support: support@sfoorlabs.com

Screenshots

Guitar Note Recognizer2 screens
SL Bass3 screens

Verdict

The call

The clearest difference is price: Guitar Note Recognizer at $0.99 against SL Bass's $14.99. Guitar Note Recognizer also leads on update cadence (every 3 days vs every 10 days) and iOS requirement (13.0 vs 15.0). On ads, in-app purchases 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 Note Recognizer costs $0.99 and SL Bass $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Guitar Note Recognizer ships an update every 3 days, SL Bass every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Guitar Note Recognizer versus SL Bass: the parameters behind the verdict, then further details
ParameterGuitar Note RecognizerSL Bass
Price$0.99 — better$14.99
Rating1.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 days — betterEvery 10 days
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size25 MB99 MB
Age rating4+4+
DeveloperSuresh VermaVIACHESLAV ZHILTSOV

In-app purchases

None

Guitar Note Recognizer

No in-app purchases

None

SL Bass

No in-app purchases

Questions

Is Guitar Note Recognizer free?
Guitar Note Recognizer costs $0.99, with no in-app purchases.
Is SL Bass free?
SL Bass costs $14.99, with no in-app purchases.
Do Guitar Note Recognizer or SL Bass have ads?
Neither Guitar Note Recognizer nor SL Bass shows ads.
Which is updated more often, Guitar Note Recognizer or SL Bass?
Guitar Note Recognizer ships an update every 3 days, and SL Bass every 10 days. Most recently, Guitar Note Recognizer was updated on October 30, 2026 and SL Bass on October 31, 2026.

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