# KeyStage vs Aro Metronome

The clearest difference is price: Aro Metronome at Free against KeyStage's $29.99. Aro Metronome also leads on in-app purchases (none vs 7). KeyStage's advantage is iOS requirement (13.0 vs 26.0). On ads and device support there is nothing between them.

Aro Metronome is free to download; KeyStage costs $29.99 up front. KeyStage sells 7 one-off in-app purchases. Aro Metronome asks for nothing beyond the download.

## The numbers

| Metric | KeyStage | Aro Metronome |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| Rating | **[4.7 (41 ratings)](https://appshunter.io/ios/app/keystage/id1406132634/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 91.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 5 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ali Gokturk](https://appshunter.io/developer/1406132633) | [Archenemy LLC](https://appshunter.io/developer/1837257324) |

## What reviewers say

### KeyStage

[App page](https://appshunter.io/ios/app/keystage/id1406132634)

This app acts as a master controller, AUv3 host, and audio mixer for keyboard players. It allows simultaneous control of multiple hardware and software instruments via MIDI, with advanced mapping, scripting, and audio mixing capabilities.

**Highlights:** Connect multiple MIDI controllers to instruments, Load AUv3 instruments, effects, and MIDI processors, Create complex keyboard splits and layers, Advanced MIDI mapping and scripting, Audio mixer with volume and pan control, Play and automate audio files, View PDF and JPG files

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Instrument Units | Free | one-time |
| Effect Units | Free | one-time |
| Player, Input, and Mixer Units | Free | one-time |
| MIDI Units | Free | one-time |
| Small Tip | $0.99 | one-time |
| Medium Tip | $3.99 | one-time |
| Large Tip | $9.99 | one-time |

**What reviewers like**

- 🚀 Powerful for live performance
- 👍 Replaces hardware keyboards
- 💡 Seamlessly integrates AUv3 apps
- 👍 Excellent MIDI control
- 👍 Great for organizing setlists

**What reviewers complain about**

- 🐛 App is ugly (UI)
- 🐛 Some users experience crashes
- 🐛 Learning curve for new users
- 🐛 In-app purchases for core features
- 🐛 Slow song loading times

**Reported bugs**

- Custom Translators Database not downloading
- Snap to grid on wave files not lining up
- Song switching via MIDI channels not working
- App crashes when trying to use instruments Database (older iOS)
- Occasional crashes

**Requested features**

- More complete user manual with troubleshooting
- Beginner's explanation of MIDI and AUv3
- MIDI Clock In + Seq Sync
- Global Tap Tempo
- In-line FX bypass (MIDI mappable)


### Aro Metronome

[App page](https://appshunter.io/ios/app/aro-metronome/id6751861891)

**In-app purchases:** none


## Frequently asked questions

### Is KeyStage free?

KeyStage costs $29.99, and also offers in-app purchases.

### Is Aro Metronome free?

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

### Do KeyStage or Aro Metronome have ads?

Neither KeyStage nor Aro Metronome shows ads.

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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.*