# MP1 Pro vs Groove Number

The clearest difference is price: Groove Number at $1.99 against MP1 Pro's $9.99. Groove Number also leads on rating (5.0 vs 4.6) and update cadence (every 3 days vs every 44 months). MP1 Pro's advantage is ratings volume (9 vs 1) and iOS requirement (15 vs 17.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

MP1 Pro costs $9.99 and Groove Number $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Groove Number holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: MP1 Pro has 9 ratings behind it against 1, so its average is the more settled of the two.

MP1 Pro ships an update every 44 months, Groove Number every 3 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | MP1 Pro | Groove Number |
| --- | --- | --- |
| Price | $9.99 | **$1.99** |
| Rating | [4.6 (9 ratings)](https://appshunter.io/ios/app/mp1-pro/id1661963427/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/groove-number/id6786836303/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 3 days** |
| Monetization | Paid | Paid |
| Size | 28 MB | 3 MB |
| Requires iOS | **15** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nembrini Audio](https://appshunter.io/developer/1493296895) | [Joshua Langberg](https://appshunter.io/developer/6778935245) |

## What reviewers say

### MP1 Pro

[App page](https://appshunter.io/ios/app/mp1-pro/id1661963427)

This app emulates a classic guitar preamplifier, offering versatile tone shaping with virtual tube circuits, a digital delay, and analog modulations. It includes a power amplifier, reverb, noise gate, and compressor for comprehensive sound control.

**Highlights:** Tri-State Voicing selection (Distortion Tube, Clean Tube, Solid State), Four EL34 virtual tubes in power amplifier, Digital delay with Lo-Fi and offset controls, Analog Chorus or Tremolo modulation, Hall reverb algorithm, Tight, Low cut, and High cut filters, Analog noise gate, Studio compressor

**Features:** Vision Pro support

**In-app purchases:** none


### Groove Number

[App page](https://appshunter.io/ios/app/groove-number/id6786836303)

Analyze the rhythmic feel of your music with detailed swing percentage, BPM, and key analysis. Visualize your groove through various graphical displays and export it as MIDI for use in your DAW. All analysis is performed on-device for privacy.

**Highlights:** Swing % analysis, BPM estimation, Key detection, Multiple visualization modes, Audio file analysis, Live microphone analysis, Groove to MIDI export, Siri integration

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

**In-app purchases:** none


## Frequently asked questions

### Is MP1 Pro free?

MP1 Pro costs $9.99, with no in-app purchases.

### Is Groove Number free?

Groove Number costs $1.99, with no in-app purchases.

### Which has better reviews, MP1 Pro or Groove Number?

Groove Number is rated higher. MP1 Pro averages 4.6 out of 5 from 9 ratings, while Groove Number averages 5.0 from 1 ratings.

### Do MP1 Pro or Groove Number have ads?

Neither MP1 Pro nor Groove Number shows ads.

### Which is updated more often, MP1 Pro or Groove Number?

MP1 Pro ships an update every 44 months, and Groove Number every 3 days. Most recently, MP1 Pro was updated on November 7, 2026 and Groove Number 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.*