Comparison

Functional Harmony vs Tune Ukulele

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

Head to head
About

Functional Harmony

This music theory app helps users spell chords and scales by entering a root note. It also identifies intervals when two notes are provided. Learn music theory concepts quickly and easily.

Highlights
  • Spell chords
  • Spell scales
  • Identify intervals
  • Enter root note for chords/scales
  • Enter two notes for interval identification
Features
Read full description

Functional Harmony is a fast music theory desk for players and students. Build chords and scales from a root and quality. Identify harmony from notes. Or just Ask—type a chord, scale, or note stack in plain English and jump straight to the answer. SCALE FINDER • Choose a root and scale quality—major, minor, modes, pentatonic, and more • See every degree spelled clearly for practice and ear training • Perfect when you need a quick scale finder without flipping textbooks CHORD BUILDER & CHORD ID • Spell major, minor, sevenths, suspended, augmented, diminished, and more • Stack notes in the Notes tab to identify chords and intervals (reverse lookup) • Piano-friendly note entry with accidentals—great as a chord identifier ASK • Natural-language queries: “C major 7”, “F# dorian”, “C E G” • Live preview before you open Chords, Scales, or Notes • Built for homework, rehearsals, and songwriting sessions WHY FUNCTIONAL HARMONY • Chords, scales, and note identification in one app • Clean, bottom-anchored controls designed for one-handed practice • No accounts, no clutter—just theory when you need it Whether you call it a scale finder, chord identifier, or harmony lab, Functional Harmony keeps tonal music theory at your fingertips.

About

Tune Ukulele

Easily tune your ukulele in seconds with auto or manual modes. Supports various tunings for all skill levels, from beginners to experts. Play with confidence knowing your instrument is perfectly in tune.

Highlights
  • Quick and easy tuning
  • Auto and manual tuning modes
  • Support for various tunings
  • Clear and simple design
  • Suitable for all skill levels
Features
Read full description

Ukulele Tuner - TuneGuide helps you tune your ukulele quickly and correctly. It is simple to use and works for all players, from beginners to experts. Key Features: • Easy tuning in just a few seconds • Auto and manual mode for flexible tuning • Different tunings, including standard, baritone, and D tuning • Clear and simple design for easy use • Works for both beginners and experienced players No more guessing if your ukulele is in tune. Use Ukulele Tuner - TuneGuide and start playing with confidence. Download now and keep your ukulele in tune. Ukulele Tuner - TuneGuide app is free. You can use it forever, at no cost. However, Ukulele Tuner - TuneGuide does offer premium features for its subscribers. If you decide to purchase an upgrade, you will unlock additional features. Terms of Use: https://olivetapp.github.io/Ukulele-Tuner/term-of-use Privacy Policy: https://olivetapp.github.io/Ukulele-Tuner/privacy-policy

Screenshots

Functional Harmony4 screens
Tune Ukulele4 screens

Verdict

The call

The clearest difference is in-app purchases: Functional Harmony at none against Tune Ukulele's 4. Functional Harmony also leads on ads (none vs shown). Tune Ukulele's advantage is iOS requirement (16.0 vs 18.0). On price, rating, ratings volume and update cadence 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

Both are free to download. Tune Ukulele sells 4 in-app purchases, starting at $1.99 per 7 days. Functional Harmony asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Functional Harmony against 4.8 for Tune Ukulele. Both are backed by a comparable volume of ratings — 25 and 25 respectively.

UpkeepUpdate frequency

Functional Harmony ships an update every 6 months, Tune Ukulele every 12 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

Scorecard4 real differences · 6 level
Functional Harmony versus Tune Ukulele: the parameters behind the verdict, then further details
ParameterFunctional HarmonyTune Ukulele
PriceFreeFree
Rating4.9 (25 ratings) — better4.8 (25 ratings)
Positive reviews83.3% of reviews—
Number of ratings2525
Update frequencyEvery 6 months — betterEvery 12 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.0 — better
Further details — not scored
Size24 MB17 MB
Age rating4+4+
DeveloperDylan ShadeKartika Ardiani

Customer experience

Functional Harmony

All ratings24 ratings
Positive95.8%
Neutral4.2%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral16.7%
Negative0.0%

Tune Ukulele

All ratings25 ratings
Positive96.0%
Neutral4.0%
Negative0.0%

In-app purchases

None

Functional Harmony

No in-app purchases

4 purchases

Tune Ukulele

Subscriptions3
  • Ukulele Tuner Pro - 1W$1.997 Days
  • Ukulele Tuner Pro - 1M$3.991 Month
  • Ukulele Tuner Pro - 1Y3 Days trial$19.991 Year
One-time1
  • Ukulele Tuner Pro$39.99

Questions

Is Functional Harmony free?
Functional Harmony is free to download, with no in-app purchases.
Is Tune Ukulele free?
Tune Ukulele is free to download, with in-app purchases available.
Which has better reviews, Functional Harmony or Tune Ukulele?
Functional Harmony is rated higher. Functional Harmony averages 4.9 out of 5 from 25 ratings, while Tune Ukulele averages 4.8 from 25 ratings.
Do Functional Harmony or Tune Ukulele have ads?
Tune Ukulele shows ads; Functional Harmony does not.
Which is updated more often, Functional Harmony or Tune Ukulele?
Functional Harmony ships an update every 6 months, and Tune Ukulele every 12 months. Most recently, Functional Harmony was updated on October 24, 2026 and Tune Ukulele on October 26, 2026.

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