# Fiddle Tunes for Viola vs BlueKeyDetect

The clearest difference is price: Fiddle Tunes for Viola at Free against BlueKeyDetect's $0.99. BlueKeyDetect's advantage is update cadence (every 8 months vs every 41 months) and device support (3 vs 1). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Fiddle Tunes for Viola is free to download; BlueKeyDetect costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Fiddle Tunes for Viola against 5.0 for BlueKeyDetect. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Fiddle Tunes for Viola ships an update every 41 months, BlueKeyDetect every 8 months. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Fiddle Tunes for Viola | BlueKeyDetect |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fiddle-tunes-for-viola/id1490050141/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/bluekeydetect/id1493584771/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 8 months** |
| Monetization | **Free** | Paid |
| Size | 67 MB | 15 MB |
| Requires iOS | 17.6 | **10.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Transported Productions](https://appshunter.io/developer/391280629) | [Stefan Arnhold](https://appshunter.io/developer/432185706) |

## What reviewers say

### Fiddle Tunes for Viola

[App page](https://appshunter.io/ios/app/fiddle-tunes-for-viola/id1490050141)

Access a vast library of fiddle tunes specifically arranged for viola in alto clef. Explore traditional and contemporary pieces from various global traditions, perfect for practice and performance.

**Highlights:** 471 fiddle tunes in alto clef, Search by Title, Key, or Meter, Includes waltzes, airs, and contras, Tunes from global traditions, Import personal collections

**Features:** Vision Pro support

**In-app purchases:** none


### BlueKeyDetect

[App page](https://appshunter.io/ios/app/bluekeydetect/id1493584771)

Instantly identify the musical key and tempo of songs by recording short audio clips. Ideal for musicians in jam sessions needing quick key information.

**Highlights:** Record audio clips, Detect musical key, Display beats per minute (BPM), Supports guitar and bass jam sessions, Multiple recording options for accuracy

**In-app purchases:** none


## Frequently asked questions

### Is Fiddle Tunes for Viola free?

Fiddle Tunes for Viola is free to download, with no in-app purchases.

### Is BlueKeyDetect free?

BlueKeyDetect costs $0.99, with no in-app purchases.

### Which has better reviews, Fiddle Tunes for Viola or BlueKeyDetect?

Fiddle Tunes for Viola and BlueKeyDetect are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Fiddle Tunes for Viola or BlueKeyDetect have ads?

Neither Fiddle Tunes for Viola nor BlueKeyDetect shows ads.

### Which is updated more often, Fiddle Tunes for Viola or BlueKeyDetect?

Fiddle Tunes for Viola ships an update every 41 months, and BlueKeyDetect every 8 months. Most recently, Fiddle Tunes for Viola was updated on October 10, 2026 and BlueKeyDetect on October 13, 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.*