Chord Calculus vs KCKFLP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chord Calculus
This app helps musicians visualize and understand chords, scales, and progressions for various fretted instruments. It allows customization of instruments, tunings, and capos, and includes a tuner. Play chords, arpeggios, and scales.
- Chord calculator with fingering display
- Chord identifier for unknown fingerings
- Scale display and playback
- Chord progression player
- Custom instrument and tuning creation
- Capo support
- Instrument tuner
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ChordCalculus is a tool for players of fretted instruments. ChordCalculus will allow the user to choose from a large number of pre-defined fretted instruments in a variety of tunings. Additionally, the user can define new instruments and/or tunings. Single or multiple capos can be added. The user then picks from one of four operating modes using the segmented selectors at the center top of the display: * (C)hord Calculator: Show all fingerings for chords for a given instrument/tuning, filters, capos, and fret span. * Chord (I)dentifer: For a given instrument/tuning and fingering, display all possible names for a chord * (S)cale Display: For an instrument/tuning, key and scale type, display the scale, and play a two-octave scale * (P)rogression Player: Derived from chord mode, display fingerings for a chord progression. Also plays chords in sequence. In all cases, the chords can be played as a chord or arpeggio and the scale played back. As of version 2.0, an instrument tuner is accessed by long touching the tuning button. See https://www.youtube.com/watch?v=Ty5eI_DiXhk&t=20s for all the features
KCKFLP
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KCKFLP is your own personal groove machine! Use the keyboard and chord buttons to create songs in just seconds! Use KCKFLP to generate songs, formulate ideas or just toy around. There's no rules! KCKFLP is a music production experience like no other! Key Features: - 4 Instrument Tracks (Keys, Pad, Arpeggiator, Bass) + Instrument Toggle Switches - 1 Octave Keyboard - 2 Bass Pads - Major / Minor Chord Switch - Chord Voicing Switches (7, 9, 11)
Screenshots
Verdict
The clearest difference is price: KCKFLP at $0.99 against Chord Calculus's $2.99. Chord Calculus's advantage is iOS requirement (16.0 vs 18.0). 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
Chord Calculus costs $2.99 and KCKFLP $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Chord Calculus | KCKFLP |
|---|---|---|
| Price | $2.99 | $0.99 — better |
| Rating | 3.9 (8 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 64 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Steven Pollack | Mauro Reyes |
In-app purchases
Chord Calculus
No in-app purchases
KCKFLP
No in-app purchases









