Comparison

JAZZed HD vs Set Theory Calculator

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

Head to head
About

JAZZed HD

This publication offers practical insights for jazz educators, covering teaching methods, performance techniques, improvisation, and repertoire. It features profiles of successful jazz musicians and educators, providing valuable resources for high school and college instructors.

Highlights
  • In-depth editorial profiles
  • Teaching and performance methods
  • Improvisation techniques
  • Repertoire guidance
  • Recording techniques
  • Festival opportunities
Features
Read full description

JAZZed is an exciting publication created for jazz educators which provides practical, hands‐on information to help school and independent music educators teach jazz to high‐school and college students. Each issue features an in‐depth editorial profile on successful jazz educators and performers to highlight their approach to teaching and playing jazz, including performance methods, improvisation, repertoire, recording techniques, travel and festival opportunities, and so much more! Whether an educator is focused on small ensembles, big bands, soloists, or other groups, they will find a variety of helpful information and ideas in JAZZed. JAZZed debuted in 2006 and reaches jazz educators across the USA. JAZZed is published six times per year and focuses on a wealth of topics that are pertinent to the jazz educator. Thousands of additional copies are distributed at major music educator conferences and jazz conventions, including TMEA, MENC, Midwest Clinic, JEN, and many others! Privacy Policy/Terms of Use: http://timeless-com.com/privacy-policy.php

About

Set Theory Calculator

This app analyzes musical pitch class sets using post-tonal theory. It calculates normal and prime forms, displays Forte numbers, and generates interval class vectors. Users can also transpose, invert, complement, and play sets as melodies or chords, with an included overview of set theory.

Highlights
  • Calculate Normal Form and Prime Form
  • Display Forte Number
  • Calculate interval class vector
  • Transpose and invert sets
  • Display set matrix
  • Sort, invert, or complement sets
  • Play sets as melody or chord
Features
Read full description

Set Theory Calculator is a musical set theory analysis tool and compositional aid. Using the app, you can define pitch class sets, then analyze and perform various musical set theory operations on the sets. For pitch sets you define, the app will: * Calculate Normal Form and Prime Form * Display the Forte Number * Calculate the interval class vector * Show transposed and inverted sets * Display a set matrix * Sort, invert or complement the set * Play the notes of the set as a melody or chord The app also includes a comprehensive written overview of musical set theory. Composers like Arnold Schoenberg, Alban Berg and Anton Webern employed set theory techniques to organize the pitch content of their works.

Screenshots

JAZZed HD4 screens
Set Theory Calculator4 screens

Verdict

The call

The clearest difference is price: JAZZed HD at Free against Set Theory Calculator's $3.99. JAZZed HD also leads on device support (3 vs 1) and iOS requirement (11.0 vs 26.0). Set Theory Calculator's advantage is rating (5.0 vs 4.3) and update cadence (every 3 weeks vs every 65 months). On ratings volume, ads and in-app purchases 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

JAZZed HD is free to download; Set Theory Calculator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Set Theory Calculator holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 6 and 4 respectively.

UpkeepUpdate frequency

JAZZed HD ships an update every 65 months, Set Theory Calculator every 3 weeks. Both last shipped on November 1, 2026.

Scorecard6 real differences · 4 level
JAZZed HD versus Set Theory Calculator: the parameters behind the verdict, then further details
ParameterJAZZed HDSet Theory Calculator
PriceFree — better$3.99
Rating4.3 (6 ratings)5.0 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings6 — better4
Update frequencyEvery 65 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better26.0
Further details — not scored
Size76 MB8 MB
Age rating4+4+
Developerartistpro, LLCL Tomlin

Customer experience

JAZZed HD

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%

Set Theory Calculator

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

JAZZed HD

No in-app purchases

None

Set Theory Calculator

No in-app purchases

Questions

Is JAZZed HD free?
JAZZed HD is free to download, with no in-app purchases.
Is Set Theory Calculator free?
Set Theory Calculator costs $3.99, with no in-app purchases.
Which has better reviews, JAZZed HD or Set Theory Calculator?
Set Theory Calculator is rated higher. JAZZed HD averages 4.3 out of 5 from 6 ratings, while Set Theory Calculator averages 5.0 from 4 ratings.
Do JAZZed HD or Set Theory Calculator have ads?
Neither JAZZed HD nor Set Theory Calculator shows ads.
Which is updated more often, JAZZed HD or Set Theory Calculator?
JAZZed HD ships an update every 65 months, and Set Theory Calculator every 3 weeks. Most recently, JAZZed HD was updated on November 1, 2026 and Set Theory Calculator on November 1, 2026.

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