# Guitar Note Recognizer vs JDS Labs Core DSP

The clearest difference is review sentiment: JDS Labs Core DSP at 100% against Guitar Note Recognizer's 0%. JDS Labs Core DSP also leads on price (Free vs $0.99) and rating (4.8 vs 1.0). Guitar Note Recognizer's advantage is update cadence (every 3 days vs every 3 weeks) and iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

JDS Labs Core DSP is free to download; Guitar Note Recognizer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JDS Labs Core DSP holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: JDS Labs Core DSP has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Guitar Note Recognizer's written reviews are positive against 100% of JDS Labs Core DSP's.

Guitar Note Recognizer ships an update every 3 days, JDS Labs Core DSP every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Guitar Note Recognizer | JDS Labs Core DSP |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/guitar-note-recognizer/id1550267443/reviews) | **[4.8 (10 ratings)](https://appshunter.io/ios/app/jds-labs-core-dsp/id6758478316/reviews)** |
| Number of ratings | 2 | **10** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Paid | **Free** |
| Size | 25 MB | 80 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suresh Verma](https://appshunter.io/developer/1207634042) | [JDS Labs](https://appshunter.io/developer/1843908047) |

## What reviewers say

### Guitar Note Recognizer

[App page](https://appshunter.io/ios/app/guitar-note-recognizer/id1550267443)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### JDS Labs Core DSP

[App page](https://appshunter.io/ios/app/jds-labs-core-dsp/id6758478316)

This app allows users to control the JDS Element IV headphone amplifier and DAC. It offers extensive customization options for audio settings, including parametric EQ, headphone presets, and adjustable sound parameters. Users can also manage device settings and store custom audio profiles.

**Highlights:** 12-band parametric EQ control, Access 8,000+ headphone presets, Adjustable Crossfeed, Loudness, Soundstage, Balance, Volume, Store and manage EQ profiles, Configure device settings

**In-app purchases:** none


## Frequently asked questions

### Is Guitar Note Recognizer free?

Guitar Note Recognizer costs $0.99, with no in-app purchases.

### Is JDS Labs Core DSP free?

JDS Labs Core DSP is free to download, with no in-app purchases.

### Which has better reviews, Guitar Note Recognizer or JDS Labs Core DSP?

JDS Labs Core DSP is rated higher. Guitar Note Recognizer averages 1.0 out of 5 from 2 ratings, while JDS Labs Core DSP averages 4.8 from 10 ratings.

### Do Guitar Note Recognizer or JDS Labs Core DSP have ads?

Neither Guitar Note Recognizer nor JDS Labs Core DSP shows ads.

### Which is updated more often, Guitar Note Recognizer or JDS Labs Core DSP?

Guitar Note Recognizer ships an update every 3 days, and JDS Labs Core DSP every 3 weeks. Most recently, Guitar Note Recognizer was updated on November 3, 2026 and JDS Labs Core DSP on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*