# iGrand Piano CS vs AG Controller

The clearest difference is review sentiment: iGrand Piano CS at 49% against AG Controller's 13%. AG Controller's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. iGrand Piano CS sells 3 one-off in-app purchases. AG Controller asks for nothing beyond the download.

## The numbers

| Metric | iGrand Piano CS | AG Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.1 (8 ratings)](https://appshunter.io/ios/app/ag-controller/id1555974292/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | **48.9% of reviews** | 12.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 589 MB | 75 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IK Multimedia US, LLC](https://appshunter.io/developer/323694278) | [Yamaha Corporation](https://appshunter.io/developer/353469356) |

## What reviewers say

### iGrand Piano CS

[App page](https://appshunter.io/ios/app/igrand-piano-cs/id570661170)

Experience concert-quality acoustic pianos with ultra-realistic sound and built-in recording. Edit and save custom variations, connect external keyboards, and compose or perform anywhere. Expand your library with additional instrument packs.

**Highlights:** Ultra-realistic acoustic pianos, Built-in recording (MIDI & Audio), Instrument editor with EQ and variations, External keyboard support (iRig), MIDI overdubbing and punch-in, Audiobus and Inter-App Audio support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Piano Expansion | $14.99 | one-time |
| Piano Expansion Pack 2 | $14.99 | one-time |
| Upgrade to Full | $19.99 | one-time |


### AG Controller

[App page](https://appshunter.io/ios/app/ag-controller/id1555974292)

Control the DSP functions of compatible live-streaming USB microphones from your iOS device. Adjust internal DSP effects for optimal voice and sound quality. Offers simple and detailed modes for varying user experience levels.

**Highlights:** Control DSP functions, iOS device compatibility, USB connection, Adjust internal DSP effects, Simple and Detail modes

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iGrand Piano CS free?

iGrand Piano CS is free to download, with in-app purchases available.

### Is AG Controller free?

AG Controller is free to download, with no in-app purchases.

### Do iGrand Piano CS or AG Controller have ads?

Neither iGrand Piano CS nor AG Controller 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.*