# A vs Midi Studio

The clearest difference is price: A at Free against Midi Studio's $1.99. A also leads on rating (4.4 vs 4.0). Midi Studio's advantage is iOS requirement (5.1.1 vs 17.5). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

A is free to download; Midi Studio costs $1.99 up front. A sells 4 one-off in-app purchases and Midi Studio sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

A holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 185 and 65 respectively. Written reviews complicate that: 61% of A's written reviews are positive against 64% of Midi Studio's, so the app with the better star average is not the one people write more warmly about.

A ships an update every 6 weeks, Midi Studio every 5 weeks. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | A | Midi Studio |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.4 (185 ratings)](https://appshunter.io/ios/app/a440-pro-tuner-tuning-fork/id335593282/reviews)** | [4.0 (65 ratings)](https://appshunter.io/ios/app/midi-studio/id519720275/reviews) |
| Number of ratings | **185** | 65 |
| Positive reviews | 60.9% of reviews | **64.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 4 MB | 500 MB |
| Requires iOS | 17.5 | **5.1.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Paul Richardson](https://appshunter.io/developer/335593286) | [VITALIY TARASYUK](https://appshunter.io/developer/519720278) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a440-pro-tuner-tuning-fork/id335593282)

Easily generate a tuning tone with a single tap. Enhance convenience by setting up Siri Shortcuts for quick access, even adding them to your Home Screen or widgets. Adjust the frequency to your needs and enjoy a fuss-free tuning experience.

**Highlights:** Single-tap tone generation, Adjustable frequency (435–445 Hz), Siri Shortcut integration, Home Screen and widget shortcuts, iPad Slide Over compatibility

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14-day Trial | Free | one-time |
| A–440 Standard | $2.99 | one-time |
| Upgrade to A–440 Premium | $2.99 | one-time |
| A–440 Premium | $4.99 | one-time |


### Midi Studio

[App page](https://appshunter.io/ios/app/midi-studio/id519720275)

This app acts as a modular MIDI control surface, allowing users to remotely control software and hardware via Wi-Fi or USB. It offers various touch controls like faders, knobs, and XY pads for music production and studio setups.

**Highlights:** Modular MIDI control surface, Wi-Fi and USB connectivity, Faders, knobs, buttons, XY pads, Customizable layouts (Pro version), CoreMidi message support, Velocity sensitive keys

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Live Drums Layout | $0.99 | one-time |
| CD Player Layout | $0.99 | one-time |
| Vinyl Player Layout | $0.99 | one-time |
| Buy ready-made layout | $1.99 | one-time |
| Buy Control | $1.99 | one-time |
| DJ Mixer Layout | $1.99 | one-time |
| Buy Gold Layout | $4.99 | one-time |
| Daw Control Layouts | $4.99 | one-time |
| Buy Premium Layout | $9.99 | one-time |
| Create Custom Layouts | $14.99 | one-time |

**What reviewers like**

- 🎛️ Versatile MIDI controller with multiple layout options
- 🚀 Low latency wireless MIDI connection over WiFi
- 💡 Velocity-sensitive keyboards and drum pads
- 🎹 Works seamlessly with popular DAWs (Logic, Ableton, Reason, Reaper)
- 👍 Easy to set up and intuitive interface

**What reviewers complain about**

- 💸 Expensive in-app purchases for custom layouts ($15-$23)
- 📦 Extremely large app size (500MB+) for a MIDI controller
- 🐛 Frequent crashes and stability issues
- 📚 Poor documentation and unclear setup instructions
- 🚫 No customer support or unresponsive support team

**Reported bugs**

- App crashes on startup or during use
- MIDI keyboard and drum pads frequently break or become unresponsive
- Dropped MIDI events during performance
- Connectivity issues between iOS devices
- In-app purchase store causes crashes

**Requested features**

- Bluetooth MIDI support as alternative to WiFi
- MIDI learn function for easier configuration
- IAA (Inter-App Audio) or Audiobus support
- Editable drum pad layouts with half-step intervals
- Configuration profiles for switching between instruments


## Frequently asked questions

### Is A free?

A is free to download, with in-app purchases available.

### Is Midi Studio free?

Midi Studio costs $1.99, and also offers in-app purchases.

### Which has better reviews, A or Midi Studio?

A is rated higher. A averages 4.4 out of 5 from 185 ratings, while Midi Studio averages 4.0 from 65 ratings.

### Do A or Midi Studio have ads?

Neither A nor Midi Studio shows ads.

### Which is updated more often, A or Midi Studio?

A ships an update every 6 weeks, and Midi Studio every 5 weeks. Most recently, A was updated on October 23, 2026 and Midi Studio on October 29, 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.*