# ChordUp vs Telemann 6  Duets

The clearest difference is update cadence: ChordUp at every 3 weeks against Telemann 6  Duets's every 15 months. Telemann 6  Duets's advantage is price ($0.99 vs $5.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ChordUp costs $5.99 and Telemann 6  Duets $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ChordUp ships an update every 3 weeks, Telemann 6  Duets every 15 months. The most recent releases landed on November 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ChordUp | Telemann 6  Duets |
| --- | --- | --- |
| Price | $5.99 | **$0.99** |
| Rating | **[4.4 (41 ratings)](https://appshunter.io/ios/app/chordup/id1058553903/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 94.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 15 months |
| Monetization | Paid | — |
| Size | 30 MB | 311 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitrii Klochkov](https://appshunter.io/developer/1058553902) | [masafumi sasaki](https://appshunter.io/developer/1016775706) |

## What reviewers say

### ChordUp

[App page](https://appshunter.io/ios/app/chordup/id1058553903)

This app is a musical instrument and MIDI controller that lets you play common chords instantly with a single touch. It offers multiple playing surfaces for chords, single notes, or strumming, and can control other music apps on the same or different devices.

**Highlights:** Instant chord selection with single touch, Play full chords, single notes, or strum, Control other music apps via MIDI, 108 available chords, 10 embedded instruments, Smart sustain and chord locking

**In-app purchases:** none


### Telemann 6  Duets

[App page](https://appshunter.io/ios/app/telemann-6-duets/id1166797849)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChordUp free?

ChordUp costs $5.99, with no in-app purchases.

### Is Telemann 6  Duets free?

Telemann 6  Duets costs $0.99, with no in-app purchases.

### Do ChordUp or Telemann 6  Duets have ads?

Neither ChordUp nor Telemann 6  Duets shows ads.

### Which is updated more often, ChordUp or Telemann 6  Duets?

ChordUp ships an update every 3 weeks, and Telemann 6  Duets every 15 months. Most recently, ChordUp was updated on November 2, 2026 and Telemann 6  Duets on October 12, 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.*