Comparison

iDiapason vs Pentatonics

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

Head to head
About

iDiapason

This app provides a precise digital tuning fork for musicians and choir directors. It offers a clean interface with reference pitches and a unique shake-to-play gesture, delivering an authentic and distraction-free tuning experience.

Highlights
  • Reference pitches (435-444 Hz)
  • Real recorded tuning fork sound
  • Shake-to-play interaction
  • Smooth audio fade-out
  • Visual feedback animation
  • Minimalist design
Features
Read full description

iDiapason is a refined digital tuning fork designed for choir directors, singers and musicians who require precision and simplicity. With a clean and distraction-free interface, the app provides an immediate reference pitch activated by a natural shake gesture — just like striking a real tuning fork. Features: • Reference pitches: 440 Hz, 441 Hz, 442 Hz, 444 Hz. 435 Hz and 432 Hz • Real recorded tuning fork sound • Shake-to-play interaction • Smooth audio fade-out • Visual feedback animation • Optimized for modern iPhone devices iDiapason is ideal for: • Choir rehearsals • Vocal warm-ups • A cappella groups • Music lessons • Instrument tuning reference Built for reliability and clarity, iDiapason delivers an authentic tuning experience in a minimal and elegant design. No ads. No distractions. Just pitch.

About

Pentatonics

This app visualizes five-note scales and their connection to chords, offering a unique way to explore musical expression. It helps musicians improvise, compose, and understand harmony with clear visual aids and smart filtering options.

Highlights
  • Pentagon scale-chord visualizer
  • Six curated pentatonic scales
  • Smart chord filtering
  • Two-way transposition
  • Layered interval insight
  • Highlight chord tones
  • Save favorite combinations
Features
Read full description

Pentatonics - Take Five Less notes. More music. Visualized. Step back. Level up. Unlock a new world of musical expression with Pentatonics, the visually driven music theory tool that transforms five-note scales into endless creative possibilities. Whether you’re improvising, composing, or exploring harmony, Pentatonics shows you how to say more with less. What Makes It Different Visualize the Scale-Chord Connection A one-of-a-kind pentagon visualizer shows exactly how a scale maps onto a chord, highlighting chord tones, extensions, tensions, and color with instant clarity. Six Curated Pentatonics These aren’t basic box patterns. Each scale is chosen for its harmonic purpose: • Minor 7 (1, b3, 4, 5, b7) • Minor 6 (1, b3, 4, 5, 6) • Minor 7b5 (1, b3, 4, b5, b7) • Major b6 (1, 2, 3, 5, b6) • Major b2 (1, b2, 3, 5, 6) • Whole-Tone (1, 3, #4, #5, b7) Smart Chord Filtering Choose from 14 chord filters to match the sound you want: Major, Minor, Dominant — plus altered, sus, and extended voicings like #11, b9, b13, and more. Two-Way Transposition Transpose chord and scale roots independently. Practice in any key. Compose in any context. Teach with full flexibility. Layered Interval Insight Switch between note names and scale degrees to understand how each note functions inside the harmony. Highlight Chord Tones Color-coded overlays show you roots, thirds, sevenths, and more — helping you target the strongest notes in your lines. Smart Starting Points Pentatonics finds 47 unique entry points where each scale fits the chord best — based on harmonic fit, not guesswork. Across all keys and chords, that’s 7,896 ways to explore expressive sounds. Stay in the Flow • Save your favorite combinations for fast recall • History tracking keeps your recent choices just a tap away • Built-in suggestions point you to the most musical options Who It’s For • Musicians breaking out of tired scale shapes • Improvisers searching for expressive new ideas • Composers seeking color and clarity • Teachers looking to simplify complex harmony • Students learning how theory works in real music Explore. Visualize. Improvise. Pentatonics isn’t just a scale reference. It’s a launchpad for creative growth. Built for modern iOS with a clean, fast interface powered by SwiftUI, it’s designed to keep you thinking less about theory — and more about sound. Take five — and play like never before!

Screenshots

iDiapason1 screens
Pentatonics4 screens

Verdict

The call

The clearest difference is review sentiment: Pentatonics at 100% against iDiapason's 0%. Pentatonics also leads on update cadence (every 9 days vs every 202 months). iDiapason's advantage is price (Free vs $0.99). On ads, in-app purchases, device support and iOS requirement 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

iDiapason is free to download; Pentatonics costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iDiapason ships an update every 202 months, Pentatonics every 9 days. The most recent releases landed on October 31, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
iDiapason versus Pentatonics: the parameters behind the verdict, then further details
ParameteriDiapasonPentatonics
PriceFree — better$0.99
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings1 — better—
Update frequencyEvery 202 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better17.6
Further details — not scored
Size3 MB1 MB
Age rating17+4+
DeveloperPunctus MultimediaOliver Richard Erich Naumann

Customer experience

iDiapason

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Pentatonics

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

iDiapason

No in-app purchases

None

Pentatonics

No in-app purchases

Questions

Is iDiapason free?
iDiapason is free to download, with no in-app purchases.
Is Pentatonics free?
Pentatonics costs $0.99, with no in-app purchases.
Do iDiapason or Pentatonics have ads?
Neither iDiapason nor Pentatonics shows ads.
Which is updated more often, iDiapason or Pentatonics?
iDiapason ships an update every 202 months, and Pentatonics every 9 days. Most recently, iDiapason was updated on October 31, 2026 and Pentatonics on October 30, 2026.

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