# AEI Keyboard Note Dutch vs Multi Tuner

The clearest difference is in-app purchases: AEI Keyboard Note Dutch at none against Multi Tuner's 10. Multi Tuner's advantage is update cadence (every 2 months vs every 31 months) and iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Multi Tuner sells 10 one-off in-app purchases. AEI Keyboard Note Dutch asks for nothing beyond the download.

AEI Keyboard Note Dutch ships an update every 31 months, Multi Tuner every 2 months. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | AEI Keyboard Note Dutch | Multi Tuner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/multi-tuner/id1286543090/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 10 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [4us](https://appshunter.io/developer/320142471) | [绍军 初](https://appshunter.io/developer/1195414685) |

## What reviewers say

### AEI Keyboard Note Dutch

[App page](https://appshunter.io/ios/app/aei-keyboard-note-dutch/id401703152)

**In-app purchases:** none


### Multi Tuner

[App page](https://appshunter.io/ios/app/multi-tuner/id1286543090)

This utility app offers precise tuning for a wide variety of musical instruments, from guitars and ukuleles to more specialized instruments like bagpipes and pipe organs. It features automatic pitch recognition and high accuracy, with a free trial period and options for in-app purchases to unlock full functionality for specific instrument types.

**Highlights:** Tuning for numerous instrument types, Automatic pitch recognition, High detection accuracy (better than 0.1 cents), 30-day free trial of all functions, In-app purchases for instrument types, Supports iCloud

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Guitar | $1.99 | one-time |
| Hammered Dulcimer | $19.99 | one-time |
| Hammered Dulcimer 402 | $19.99 | one-time |
| Great Highland Bagpipe | $19.99 | one-time |
| Reed Pipe | $19.99 | one-time |
| Brass | $19.99 | one-time |
| Accordion | $19.99 | one-time |
| Flue Pipe | $19.99 | one-time |
| Harp | $29.99 | one-time |
| Pipe Organ | $49.99 | one-time |


## Frequently asked questions

### Is AEI Keyboard Note Dutch free?

AEI Keyboard Note Dutch is free to download, with no in-app purchases.

### Is Multi Tuner free?

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

### Do AEI Keyboard Note Dutch or Multi Tuner have ads?

Neither AEI Keyboard Note Dutch nor Multi Tuner shows ads.

### Which is updated more often, AEI Keyboard Note Dutch or Multi Tuner?

AEI Keyboard Note Dutch ships an update every 31 months, and Multi Tuner every 2 months. Most recently, AEI Keyboard Note Dutch was updated on October 14, 2026 and Multi Tuner on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*