# Music Reading Essentials vs K

The clearest difference is price: K at Free against Music Reading Essentials's $2.99. K also leads on update cadence (every 3 days vs every 20 months) and rating (5.0 vs 4.6). Music Reading Essentials's advantage is ratings volume (11 vs 1) and iOS requirement (15.0 vs 17.0). On ads, in-app purchases and monetization model there is nothing between them.

K is free to download; Music Reading Essentials costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

K holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Music Reading Essentials has 11 ratings behind it against 1, so its average is the more settled of the two.

Music Reading Essentials ships an update every 20 months, K every 3 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Music Reading Essentials | K |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.6 (11 ratings)](https://appshunter.io/ios/app/music-reading-essentials/id501483486/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/k-botfm/id6777277787/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 63.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 122 MB | 19 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Notagram, LLC](https://appshunter.io/developer/1198431817) | [Joe Takai](https://appshunter.io/developer/1877999875) |

## What reviewers say

### Music Reading Essentials

[App page](https://appshunter.io/ios/app/music-reading-essentials/id501483486)

This app aids in learning and practicing sheet music reading, covering musical signs, symbols, note names, rhythms, and intervals. It features flashcards divided into stages with a smart shuffling algorithm to reinforce learning, and offers clef selection and timer modes for comprehensive practice.

**Highlights:** Sheet music reading practice, Musical signs and symbols, Note names and rhythms, Intervals learning, Flashcards with stages, Clef selection (Treble, Bass, Alto), Timer mode

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

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-botfm/id6777277787)

An AI-powered internet radio station that broadcasts 24/7 with a unique retro-future DJ. Listeners can influence the playlist by upvoting or downvoting tracks and even send in song requests or dedications.

**Highlights:** AI-generated music curation, Listener playlist voting, Live listener chat, Song requests and dedications, Multiple themed shows, Royalty-free independent music

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Music Reading Essentials free?

Music Reading Essentials costs $2.99, with no in-app purchases.

### Is K free?

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

### Which has better reviews, Music Reading Essentials or K?

K is rated higher. Music Reading Essentials averages 4.6 out of 5 from 11 ratings, while K averages 5.0 from 1 ratings.

### Do Music Reading Essentials or K have ads?

Neither Music Reading Essentials nor K shows ads.

### Which is updated more often, Music Reading Essentials or K?

Music Reading Essentials ships an update every 20 months, and K every 3 days. Most recently, Music Reading Essentials was updated on November 1, 2026 and K on November 5, 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.*