# Singing Fingers vs Functional Harmony

The clearest difference is price: Functional Harmony at Free against Singing Fingers's $0.99. Functional Harmony also leads on rating (4.9 vs 3.5) and review sentiment (83% vs 47%). Singing Fingers's advantage is chart position (#199 vs unranked) and iOS requirement (10.0 vs 18.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Functional Harmony is free to download; Singing Fingers costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Functional Harmony holds the better App Store score, 4.9 against 3.5. Both are backed by a comparable volume of ratings — 10 and 24 respectively. Written reviews point the same way: 47% of Singing Fingers's written reviews are positive against 83% of Functional Harmony's.

Singing Fingers ships an update every 96 months, Functional Harmony every 6 months. The most recent releases landed on September 19, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Singing Fingers | Functional Harmony |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.5 (10 ratings)](https://appshunter.io/ios/app/singing-fingers/id381015280/reviews) | **[4.9 (24 ratings)](https://appshunter.io/ios/app/functional-harmony/id1564025162/reviews)** |
| Number of ratings | 10 | **24** |
| Positive reviews | 47.4% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 96 months | **Every 6 months** |
| Monetization | Free | Free |
| Best chart rank | **#199** | — |
| Size | 19 MB | 24 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Beginner's Mind](https://appshunter.io/developer/381015283) | [Dylan Shade](https://appshunter.io/developer/1564023750) |

## What reviewers say

### Singing Fingers

[App page](https://appshunter.io/ios/app/singing-fingers/id381015280)

**Currently charting:** #199 Top Paid · Music (US App Store)

Create vibrant visual art by fingerpainting with sound. Touch the screen while making a noise, and watch colorful paint appear. Tap the paint to replay the original sound, turning your creations into interactive musical instruments.

**Highlights:** Fingerpaint with sound, Colorful paint visualization, Tap paint to replay sound, Create musical instruments, Experiment with sounds, Voice interaction

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Functional Harmony

[App page](https://appshunter.io/ios/app/functional-harmony/id1564025162)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Singing Fingers free?

Singing Fingers costs $0.99, with no in-app purchases.

### Is Functional Harmony free?

Functional Harmony is free to download, with no in-app purchases.

### Which has better reviews, Singing Fingers or Functional Harmony?

Functional Harmony is rated higher. Singing Fingers averages 3.5 out of 5 from 10 ratings, while Functional Harmony averages 4.9 from 24 ratings.

### Do Singing Fingers or Functional Harmony have ads?

Neither Singing Fingers nor Functional Harmony shows ads.

### Which is updated more often, Singing Fingers or Functional Harmony?

Singing Fingers ships an update every 96 months, and Functional Harmony every 6 months. Most recently, Singing Fingers was updated on September 19, 2026 and Functional Harmony on September 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*