# MIDI Opener vs QuickConvert!

The clearest difference is in-app purchases: QuickConvert! at none against MIDI Opener's 13. QuickConvert! also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. MIDI Opener sells 13 one-off in-app purchases. QuickConvert! asks for nothing beyond the download.

## The numbers

| Metric | MIDI Opener | QuickConvert! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (85 ratings)](https://appshunter.io/ios/app/midi-opener/id1029373282/reviews)** | — |
| Number of ratings | **85** | — |
| Positive reviews | 64.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 334 MB | 4 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MartianRover, LLC](https://appshunter.io/developer/1282183383) | [KING DAVID](https://appshunter.io/developer/1877503116) |

## What reviewers say

### MIDI Opener

[App page](https://appshunter.io/ios/app/midi-opener/id1029373282)

This app is a powerful and modern MIDI player designed for musicians, learners, and creators. It offers visual playback, tempo and key control, and advanced track management. Import custom soundbanks and enjoy features like synchronized lyrics and a 3D visualizer.

**Highlights:** Visual MIDI playback, Tempo and key control, Advanced track controls, 128 General MIDI instruments, Built-in effects, Custom soundbanks, Synchronized lyrics, 3D visualizer

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $0.99 | one-time |
| Full Upgrade Discount | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Change Tempo | $1.99 | one-time |
| Change Tempo and Key | $1.99 | one-time |
| All Access Upgrade | $2.99 | one-time |
| Track Controls | $2.99 | one-time |
| Super Tip | $4.99 | one-time |
| MIDI Out | $4.99 | one-time |
| Practice Pack | $4.99 | one-time |
| Full Upgrade | $4.99 | one-time |
| Premium Upgrade | $4.99 | one-time |
| All Access | $7.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🎶 Good sounding instruments
- 🚀 Handles instrument changes well
- ✨ Free to use
- ✅ Plays MIDI files effectively

**What reviewers complain about**

- 🐛 Crashes when changing SoundFonts (iOS 26)
- 🐛 Cuts off beginning of songs
- 🐛 Sustained notes treated as staccato
- 💸 Charging for basic features
- 📉 Poor sound quality for some instruments

**Reported bugs**

- Sustained notes are treated as staccato notes.
- Cuts off the beginning of the song.
- Kicked out of the app when clicking on another SoundFont.
- Crashes when changing SoundFonts (iOS 26).
- Bass drum is too quiet for metal music.

**Requested features**

- Adjust individual track volumes
- Zoom in/out
- Select region to play
- Export features (WAV, MP3, FLAC)
- Playlist functionality


### QuickConvert!

[App page](https://appshunter.io/ios/app/quickconvert/id6759220847)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MIDI Opener free?

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

### Is QuickConvert! free?

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

### Do MIDI Opener or QuickConvert! have ads?

MIDI Opener shows ads; QuickConvert! does not.

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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.*