# Music Theory Rhythms vs MF

The clearest difference is price: Music Theory Rhythms at $3.99 against MF's $14.99. MF's advantage is rating (5.0 vs 3.0) and update cadence (monthly vs every 36 months). On ads, in-app purchases and monetization model there is nothing between them.

Music Theory Rhythms costs $3.99 and MF $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MF holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 9 respectively.

Music Theory Rhythms ships an update every 36 months, MF monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Music Theory Rhythms | MF |
| --- | --- | --- |
| Price | **$3.99** | $14.99 |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/music-theory-rhythms/id1017427415/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/mf-102s-ring-modulator/id6450608409/reviews)** |
| Number of ratings | 2 | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 40 MB | 42 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Q. Kelly](https://appshunter.io/developer/310068987) | [Moog Music Inc.](https://appshunter.io/developer/396776421) |

## What reviewers say

### Music Theory Rhythms

[App page](https://appshunter.io/ios/app/music-theory-rhythms/id1017427415)

Enhance rhythmic and polyrhythmic skills with customizable exercises. Practice hand independence and improve sight-reading through a variety of note values, time signatures, and tempo settings. Save and print results for progress tracking.

**Highlights:** Rhythmic and polyrhythmic skill development, Hand independence exercises, Customizable time signatures and measures, Variety of note and rest values, Adjustable tempo with accuracy feedback, Printable grade book for saved results

**In-app purchases:** none


### MF

[App page](https://appshunter.io/ios/app/mf-102s-ring-modulator/id6450608409)

This app meticulously recreates a classic analog effects pedal, offering a voltage-controlled ring modulator, carrier oscillator, and LFO. It's designed to process and modulate any audio input, providing a unique, retro-futuristic sound with organic parameter interaction for a musical playing experience.

**Highlights:** Ring Modulator, Voltage-controlled Carrier Oscillator, Voltage-controlled LFO, AUv3 effects plugin, Processes any audio input, Organic parameter interaction

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Music Theory Rhythms free?

Music Theory Rhythms costs $3.99, with no in-app purchases.

### Is MF free?

MF costs $14.99, with no in-app purchases.

### Which has better reviews, Music Theory Rhythms or MF?

MF is rated higher. Music Theory Rhythms averages 3.0 out of 5 from 2 ratings, while MF averages 5.0 from 9 ratings.

### Do Music Theory Rhythms or MF have ads?

Neither Music Theory Rhythms nor MF shows ads.

### Which is updated more often, Music Theory Rhythms or MF?

Music Theory Rhythms ships an update every 36 months, and MF monthly. Most recently, Music Theory Rhythms was updated on November 1, 2026 and MF on November 3, 2026.

---

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