neirocca

Free plan Web

What neirocca is

Neirocca is a web-based site for learning music theory by listening to and playing examples. Its 28 browser tools cover chords, melody, rhythm, analysis and transposition, and each tool plays when tapped. Chord resources include a diatonic chord reference, chord finder, progression player and builder, plus a mood-based progression generator. Melody and ear tools include ear training, dictation training, scale conversion, a step sequencer and a melody note guide. Rhythm options include a pattern dictionary, rhythm ear training, a metronome and tap tempo. Analysis tools cover key finding, chord progression analysis, Roman numeral analysis, cadence training and a part-writing checker. The site also lists 66 articles. Neirocca describes learning paths for beginners interested in composing and listeners who want to understand music more deeply. It includes interactive exercises, basic notation, harmony and rhythm tools, and progress tracking. The service is free of charge, with no free trial listed. Its privacy policy says Google Analytics 4 cookies are used for anonymous traffic data and that personally identifiable information is not collected through GA4. The operator may change, add or suspend services without prior notice.

Who it suits

Neirocca suits beginners interested in composing and listeners seeking to understand music theory. It is also relevant to learners looking for browser-based exercises across chords, melody, rhythm and analysis.

What it does well

28 browser-based tools cover five music-theory areas.
Tools play examples when tapped.
Lists 66 learning articles.
Free of charge.

What to know first

Available platform is web.
Operator may change or suspend services without prior notice.
Uses Google Analytics 4 cookies for anonymous traffic data.

Plans

Plan	Billed and limits	Price
Free	Interactive music theory tools and articles · free of charge	Free

As neirocca.com lists them, read 7 Oct 2026. The maker's own page has the final word.

Getting started

Visit the Neirocca website.
Open a browser based tool or an article.
Tap a tool to hear its musical example.
Follow a learning path for composing or deeper listening.

Verdict

Neirocca brings playable examples, exercises and articles together in a free web resource. Its listed tools span several areas of theory, while the terms reserve the operator’s right to change or suspend services.

Questions

Is Neirocca free?

Yes. Its Free plan is listed as free, and the site describes its tools and articles as free of charge.

Which platforms does it support?

Neirocca's tools are browser based and the listed platform is web.

What kinds of tools does it offer?

Its 28 tools cover chords, melody, rhythm, analysis, and transposition. Examples include a chord finder, ear training, metronome, and key finding.

Who operates Neirocca?

It is built and operated by Chathello, represented by Shoya Kihara, at an address in Fukuoka, Japan.

Does Neirocca connect with external products?

The opened product pages describe browser based tools and do not state integrations with external products.

What does Neirocca say about privacy analytics?

Its privacy policy says it uses Google Analytics 4 cookies for anonymous traffic data and does not collect personally identifiable information through GA4.

Facts from neirocca's own pages

Analysis features: Analysis tools include key finding, chord progression analysis, Roman numeral analysis, cadence training, and a part writing checker. · neirocca.com, 7 Oct 2026
Audience: It offers learning paths for beginners who want to compose and for listeners who want to understand music more deeply. · neirocca.com, 7 Oct 2026
Chord features: Chord tools include a diatonic chord reference, chord finder, progression player, progression builder, and mood based progression generator. · neirocca.com, 7 Oct 2026
Contact support: The operator says it usually replies to email inquiries within a few days. · neirocca.com, 7 Oct 2026
Ear and melody features: Melody and ear tools include ear training, dictation training, scale conversion, a step sequencer, and a melody note guide. · neirocca.com, 7 Oct 2026
Headquarters: Fukuoka, Japan · neirocca.com, 28 Sept 2026
Integrations: The opened product pages describe browser based tools and do not state integrations with external products. · neirocca.com, 7 Oct 2026
Learning material: The home page lists 66 articles alongside the tools. · neirocca.com, 7 Oct 2026
Notable limits: The terms say the operator may change, add, or suspend services at any time without prior notice. · neirocca.com, 7 Oct 2026
Operator: Neirocca is built and operated by Chathello, represented by Shoya Kihara, at an address in Fukuoka, Japan. · neirocca.com, 7 Oct 2026
Privacy and analytics: The privacy policy says the site uses Google Analytics 4 cookies for anonymous traffic data and states that it does not collect personally identifiable information through GA4. · neirocca.com, 7 Oct 2026
Rhythm features: Rhythm tools include a pattern dictionary, rhythm ear training, metronome, and tap tempo. · neirocca.com, 7 Oct 2026
Sound playback: The site says every tool plays when tapped so users can hear music theory examples. · neirocca.com, 7 Oct 2026
Tools: The site lists 28 browser based tools covering chords, melody, rhythm, analysis, and transposition. · neirocca.com, 7 Oct 2026
What it does: Neirocca is an interactive site for learning music theory by hearing and playing examples. · neirocca.com, 7 Oct 2026

Where neirocca stands on Freedom251

Music Theory Software#16 of 27