Comparison

Post vs Chords Player

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

Head to head
About

Post

This app provides tools for analyzing post-tonal music, including pitch-class set and tone row calculations. It helps users identify Forte names, normal forms, prime forms, and relationships within musical sets.

Highlights
  • PC Set Calculator
  • Subset/Superset Calculator
  • Matrix Calculator
  • Forte name analysis
  • Normal form calculation
  • Prime form identification
  • Tone row analysis
Features
Currently charting
Read full description

The Post-Tonal Tool Kit is designed to be a one-stop app for pitch-class and tone row analysis of post-tonal music. Features include a PC Set Calculator, a Subset/Superset Calculator, and a Matrix Calculator. –This app is perfect for the music theory student analyzing post-tonal music. –This app is also designed for the classroom and pedagogical uses. * With an Apple Dock Connector the screen can be projected in the classroom. * Analytical assignments can be designed to incorporate the features of the app that highlight relationships within sets and rows. The PC Set Calculator analyzes sets ranging from three to twelve pitches and provides: * Forte name * Normal form * Prime form * IC Vector * Z-Mate * Tn Invariance * TnI Invariance The calculator also will provide the inversion and complement sets with all the above information and all sets can be analyzed for subset and superset relationships (a very handy tool when analyzing Webern!). **WHAT’S NEW!!!** The Matrix Calculator will generate a matrix with any number of pitches up to twelve. The rows are numbered using the Straus/Roig-Francoli system (Introduction to Post-Tonal Theory/ Understanding Post-Tonal Music), where the P and I row labels correspond to the starting pitch class. Any number of pitch classes within the matrix can be highlighted and the selected set then sent back into the PC Set Calculator. This feature is extremely helpful when comparing trichords, tetrachords, and hexachords!

About

Chords Player

Compose, practice, and perform music by creating unique chord sequences. This app offers various playback styles and time signatures, allowing you to build custom songs and exercises. It's a valuable tool for musicians of all levels, including teachers.

Highlights
  • Compose chord sequences
  • Multiple playback styles
  • Various time signatures
  • Loop mode for practice
  • Transpose chords
  • Save and share settings
  • Included mixer
Features
Read full description

„COMPOSE, PRACTICE, PERFORM.“ ** Chords Player is a standalone subpart of our app ‚Improvisation Trainer‘. Feel free to try the features of Chords Player using the free version of Improvisation Trainer. ** CHORDS PLAYER will play back your chord sequences in many different styles and time signatures! With it’s built in features, you can CREATE TRULY UNIQUE SONGS and EXERCISES. CHORDS PLAYER is a great practicing companion for both beginners and professionals in music out of every music field.  CHORDS PLAYER is a indispensable tool for music teachers and provides an ultimate platform for practicing harmonic and melodic instruments. Just get started with one of our presets to give you an idea about the endless possibilities the app can do! DIFFERENT PLAYBACK STYLES INCLUDED • Blues-Shuffle • Bossa Nova • Country (Trainbeat) • Country • Disco • Dico-Funk • Funk • Hip-Hop • Pop • Reggae • Rock’n’Roll • Rock • Samba • Ska • Swing-Ballad • Swing DIFFERENT TIME SIGNATURES • 4/4 • 3/4 • 5/4 • 7/8 • 9/8 LOOP MODE • hear your ideas in a loop • transpose your chords in any key you want SAVE AND SHARE YOUR SETTINGS • you can save all your custom settings to get started quickly • you can easily share the settings with friends, students or other people using e-mail MIXER INCLUDED • with the included mixer, you can decide to only hear chords, bass, or drums and create your unique mix!

Screenshots

Post4 screens
Chords Player4 screens

Verdict

The call

The clearest difference is rating: Post at 4.3 against Chords Player's 3.7. Post also leads on chart position (#182 vs unranked) and iOS requirement (10.0 vs 12.1). Chords Player's advantage is price ($2.99 vs $4.99). On ratings volume, update cadence, 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

Post costs $4.99 and Chords Player $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Post holds the better App Store score, 4.3 against 3.7. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 26, 2026.

Scorecard4 real differences · 7 level
Post versus Chords Player: the parameters behind the verdict, then further details
ParameterPostChords Player
Price$4.99$2.99 — better
Rating4.3 (6 ratings) — better3.7 (3 ratings)
Positive reviews50.0% of reviews—
Number of ratings6 — better3
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#182 — better—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.0 — better12.1
Further details — not scored
Size1 MB70 MB
Age rating4+4+
DeveloperA Squared ApplicationsAppicDesign

Customer experience

Post

All ratings6 ratings
Positive83.3%
Neutral16.7%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Chords Player

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Post

No in-app purchases

None

Chords Player

No in-app purchases

Questions

Is Post free?
Post costs $4.99, with no in-app purchases.
Is Chords Player free?
Chords Player costs $2.99, with no in-app purchases.
Which has better reviews, Post or Chords Player?
Post is rated higher. Post averages 4.3 out of 5 from 6 ratings, while Chords Player averages 3.7 from 3 ratings.
Do Post or Chords Player have ads?
Neither Post nor Chords Player shows ads.
Which is updated more often, Post or Chords Player?
Post ships an update every 2 months, and Chords Player every 2 months. Most recently, Post was updated on October 26, 2026 and Chords Player on October 26, 2026.

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